Annapurna Base Camp (ABC) Weather: A Month-by-Month Guide on the Best Time to Trek

By Trip Pokhara 2025-11-02

If you're planning a trek to the Annapurna Base Camp, understanding the Annapurna Base Camp weather patterns can be a game-changer for your adventure. 

Nestled in the heart of Nepal, the Annapurna region is renowned for its breathtaking beauty and challenging trails. However, its weather is notoriously unpredictable, which can significantly impact your experience. 

To make the most of your journey, it's essential to have a comprehensive understanding of what to expect weather-wise. Let’s delve deeper into the Annapurna Base Camp weather.

Overview of Annapurna Base Camp Climate

Annapurna Base Camp, nestled in the heart of the Himalayas, experiences a diverse range of weather conditions due to its varying altitudes. The surrounding of the Base Camp of Annapurna is an example of the true wonder of nature.

The climate here can be broadly categorized into four seasons: Spring, Summer (Monsoon), Autumn, and Winter. Each season offers a unique experience and challenges for trekkers.

Spring (March to May): Blooming Trails and Mild Weather

Spring is one of the best times to visit Annapurna Base Camp. During this season, the weather is relatively mild, and the trails are adorned with blooming rhododendrons. Daytime temperatures are comfortable, ranging from 10°C to 15°C (50°F to 59°F) at the base camp. Nights can be chilly, so packing warm layers is advisable.

During the day, trekkers can enjoy pleasant weather, making the journey relatively comfortable. The sun shines brightly, illuminating the trails and offering spectacular views of the surrounding mountains. This is the season when nature awakens, and the vibrant colors of rhododendrons add a magical touch to the landscape.

Why Trek in Spring

• Pleasant temperatures and clear skies

• Blooming rhododendron forests

• Vibrant flora and fauna

Although days are warm, nights can be chilly, especially at higher altitudes. Temperatures can drop significantly after sunset, necessitating warm clothing for a comfortable night's sleep. It's essential to have a good quality sleeping bag and thermal layers to ensure a restful night.

Spring is also the season of rejuvenation, with flora and fauna coming to life. Trekkers can witness a variety of wildlife and blooming flowers, enhancing the trekking experience. The trails are alive with the sound of birds, and the forests are lush and green.

Summer (June to August): The Monsoon Adventure

Summer in Annapurna coincides with the monsoon season. This means heavy rainfall, leeches on the trails, and potential landslides. While the landscape turns lush and green, the visibility can be poor due to clouds and rain. Temperatures at the base camp hover between 10°C and 17°C (50°F and 63°F). If you don't mind getting wet and want to experience the raw beauty of Annapurna, this is your time.

The monsoon brings heavy rains, making trails slippery and challenging to navigate. Rain gear is a must, as well as waterproof bags to protect your belongings. The heavy rainfall can also lead to landslides, which can obstruct paths and require detours.

The monsoon season transforms the landscape into a lush, green paradise. The flora is in full bloom, and the forests are teeming with life. However, the wet conditions also bring out leeches, which can be an annoyance for trekkers. It's advisable to wear leech-proof socks and carry salt as a deterrent.

Trekking during the monsoon season requires a sense of adventure and flexibility. The weather can change rapidly, and trekkers must be prepared for delays and changes in their itinerary. Despite the challenges, those who brave the monsoon are rewarded with solitude and the raw beauty of the Annapurna region.

Challenges and Rewards

• Slippery and muddy trails

• Risk of landslides and leeches

• Vibrant green landscapes and fewer trekkers

Autumn (September to November): The Perfect Trekking Season

Autumn is arguably the most popular trekking season in Annapurna. The monsoon clouds have cleared, leaving behind crisp, clear skies and stunning mountain views. Temperatures are similar to spring, with daytime highs around 10°C to 15°C (50°F to 59°F). It's a great time for photography, and the trails are bustling with fellow trekkers.

Highlights of Autumn

• Stable weather and excellent visibility

• Peak season for photography

• Cultural festivals like Dashain and Tihar

Autumn offers the most stable weather conditions, with clear skies and mild temperatures. This is the best time for photography, as the visibility is excellent, and the mountain views are breathtaking. The crisp air and bright sunshine create perfect trekking conditions.

The popularity of autumn means that trails are busy with trekkers from around the world. This creates a vibrant social environment, with opportunities to meet fellow adventurers and share experiences. However, it also means that accommodations can be crowded, so booking in advance is advisable.

Autumn is also a time for cultural festivals in Nepal, providing trekkers with a chance to experience local traditions and festivities. The Dashain and Tihar festivals occur during this period, offering a glimpse into the rich cultural heritage of the region.

Winter (December to February): Quiet Trails and Snowy Peaks

Winter in Annapurna Base Camp is for the adventurous. The temperatures can drop significantly, with daytime temperatures between 5°C and 10°C (41°F and 50°F) and nighttime temperatures plummeting below freezing. Snowfall is common, which can make the trek challenging but also incredibly rewarding. If you're prepared for the cold, the serene beauty and quieter trails make it worthwhile.

Winter brings snow to the Annapurna region, creating a pristine, white landscape. The cold temperatures require proper gear and preparation, but for those who can handle it, the experience is unforgettable. The snow-covered trails offer a unique and serene trekking experience.

With fewer trekkers willing to brave the cold, the trails are quieter, offering a sense of solitude and peace. This is an ideal time for those seeking a more introspective journey, away from the hustle and bustle of busier seasons.

What to Expect

• Snow-covered trails and stunning winter landscapes

• Cold nights require proper gear

• Fewer trekkers and peaceful trails

Winter trekking presents challenges, such as icy paths and freezing temperatures. However, the rewards are immense, with stunning winter landscapes and the opportunity to experience the Himalayas uniquely. Proper preparation and equipment are essential for a safe and enjoyable trek.

Month-by-Month Weather Breakdown

Understanding the monthly Annapurna Base Camp weather variations can help you plan your trek more effectively. Here's a month-by-month breakdown:

September

September marks the end of the monsoon season. Early in the month, you may still experience some rain, but as it progresses, the weather becomes more stable. Temperatures range from 10°C to 15°C (50°F to 59°F), and the trails are less crowded than in October.

The transition from the monsoon to autumn is gradual, with occasional rain showers lingering in early September. However, as the month progresses, the weather stabilizes, making it a good time for those who prefer less crowded trails.

With the end of the monsoon, the trails begin to dry up, reducing the risk of landslides and making trekking safer. The forests are still lush and green, providing a beautiful backdrop for your journey.

September is an ideal month for those who enjoy a quieter trekking experience. The trails are less crowded, allowing for a more personal and introspective journey.

October

October is peak trekking season. The weather is stable, with clear skies and moderate temperatures. You can expect daytime highs around 10°C to 15°C (50°F to 59°F). It's the perfect time to capture those postcard-worthy mountain views.

October offers some of the best weather conditions for trekking, with clear skies and mild temperatures. This makes it an ideal time for photography, as the mountain views are unobstructed and stunning.

The popularity of October means a lively social scene on the trails, with trekkers from around the world. It's a great time to make new friends and share experiences. Additionally, cultural festivals add a rich dimension to the trekking experience.

While October offers perfect weather, it's also the busiest time on the trails. This can mean crowded accommodations and busier paths. Planning and booking in advance are crucial to ensure a smooth experience.

November

In November, the temperatures begin to drop, especially at night. Daytime temperatures are still comfortable, but you'll need warmer clothing for the evenings. The trails are still busy, but not as crowded as in October.

As November progresses, temperatures begin to cool, particularly at night. This requires trekkers to pack additional layers for warmth, especially for evenings and early mornings.

While the trails remain busy, November marks the end of the peak season, leading to slightly fewer crowds. This makes it a great time for those who enjoy a lively atmosphere without the peak October crowds.

The cooling temperatures and changing light offer unique photography opportunities, with stunning sunrises and sunsets. The crisp air enhances visibility, making for breathtaking views of the mountains.

December

December ushers in winter. Daytime temperatures range from 5°C to 10°C (41°F to 50°F), and snowfall becomes more frequent. If you're looking for a quiet trek and can handle the cold, December offers a magical experience.

December brings the first significant snowfall to the region, transforming the landscape into a winter wonderland. The snow-covered trails and mountains create a serene and magical atmosphere.

With the onset of winter, the number of trekkers decreases, providing a peaceful and solitary trekking experience. This is ideal for those who seek tranquility and introspection.

Proper preparation is essential for a December trek, with warm clothing and gear necessary to combat the cold temperatures. A well-insulated sleeping bag and thermal layers are crucial for a comfortable journey.

January 

January is the coldest month at Annapurna Base Camp. Temperatures can drop well below freezing at night, and snowfall is common. The trails are quiet, and if you're well-prepared, the winter landscape is awe-inspiring.

January brings extreme cold, with temperatures often dipping below freezing. This presents challenges for trekkers, requiring proper gear and preparation to ensure safety and comfort.

The extreme conditions mean fewer trekkers, offering unparalleled solitude and the opportunity to experience the Himalayas in their most raw and beautiful state. The snow-covered landscape is breathtaking and offers unique photographic opportunities.

Preparation is key to a successful January trek. This includes investing in high-quality gear, understanding the risks, and being prepared for sudden weather changes. With the right preparation, the rewards are immense.

February

February signals the end of winter. While still cold, the weather begins to stabilize, and the days gradually become longer. It's a good time for those who want to enjoy the winter landscape without the extreme cold of January.

February marks the transition from winter to spring, with slightly warmer temperatures and longer days. This creates a more comfortable trekking environment while still offering the beauty of a winter landscape.

The trails remain relatively quiet, providing a peaceful and serene trekking experience. This is ideal for those who enjoy solitude and the beauty of the Himalayas in winter.

While the weather begins to stabilize, it's essential to be prepared for sudden changes. Packing layers and having flexible plans are crucial to adapting to the conditions.

March

March is the beginning of the spring season. The weather warms up, and the trails start to come alive with trekkers. Temperatures range from 10°C to 15°C (50°F to 59°F), and the blooming flowers add a splash of color to the scenery.

March brings the awakening of nature, with blooming flowers and vibrant colors adorning the trails. This creates a picturesque and lively trekking environment, perfect for photography and nature enthusiasts.

The trails become busier as trekkers return, creating a vibrant social atmosphere. March is also a time for cultural events, offering opportunities to engage with local traditions and festivals.

The warming temperatures and longer days create ideal conditions for trekking, with comfortable temperatures and excellent visibility. This makes March a popular time for those seeking a vibrant and lively trekking experience.

April

April is a fantastic month for trekking. The weather is mild, and the rhododendron forests are in full bloom. Expect daytime temperatures between 10°C and 15°C (50°F to 59°F), making it a comfortable time for outdoor activities.

April is famous for the full bloom of rhododendrons, creating a spectacular display of color along the trails. This is a highlight for many trekkers, offering stunning photography opportunities and a vibrant trekking environment.

The mild weather and stable conditions make April one of the most comfortable months for trekking. This allows trekkers to focus on enjoying the journey and the beauty of the Himalayas.

With its ideal conditions, April attracts a significant number of trekkers, creating a lively and social atmosphere on the trails. This offers opportunities to meet fellow adventurers and share experiences.

May

May marks the end of spring. The temperatures start to rise, and the pre-monsoon showers can occur. The trails are still vibrant with flowers, and it's a good time for those who prefer slightly warmer weather.

As May progresses, temperatures begin to rise, signaling the approach of the monsoon season. Pre-monsoon showers can occur, adding an element of unpredictability to the weather.

Despite the changing weather, the trails remain vibrant and full of life. The blooming flowers and lush greenery create a beautiful backdrop for trekking, offering a unique and picturesque experience.

Trekkers in May should be prepared for changing weather conditions, packing layers and rain gear to adapt to sudden showers. Flexibility and preparation are key to enjoying a successful trek.

June–August (Monsoon)

These months are dominated by the monsoon season. Heavy rain, mud, and leeches are common, and the trails are less crowded. If you're an adventurous soul, the lush landscapes and fewer trekkers might appeal to you.

The monsoon season presents unique challenges, with heavy rain and slippery trails. Proper preparation, including rain gear and waterproof bags, is essential for a safe and enjoyable trek.

The monsoon transforms the landscape into a lush, green paradise, offering a different kind of beauty. The trails are less crowded, providing solitude and a more intimate connection with nature.

Essential Weather Tips for Annapurna Base Camp Trek

For those who embrace adventure, the monsoon season offers a unique and rewarding experience. The challenges are significant, but the solitude and raw beauty of the Annapurna region are unparalleled.

• Pack Smart: Bring layers to adjust to the changing temperatures and weather conditions. Waterproof gear is essential, especially during the monsoon season.

• Stay Informed: Weather in the mountains can change rapidly. Keep an eye on local weather forecasts and be prepared to adjust your plans if necessary.

• Acclimatize: Allow time to acclimatize to the altitude to prevent altitude sickness.

• Hire a Guide: A local guide can provide invaluable assistance, especially in unpredictable weather conditions.

Final Thoughts

Understanding the Annapurna Base Camp weather patterns is crucial for a successful trek. Whether you choose the vibrant spring, the bustling autumn, or the tranquil winter, each season offers a unique experience. Prepare well, and you'll enjoy one of the most remarkable trekking adventures in the world. 

Safe travels!

FAQs

Is there snowfall in Annapurna Base Camp?

Situated at an altitude of 4,130 m above sea level, the winter in Annapurna Base Camp is covered with snow. Moreover, you can also witness snowfall in the Base Camp of Annapurna in spring and autumn as well.

Which month is best for Annapurna Base Camp?

The best season to trek to Annapurna Base Camp is during the spring and autumn. During these seasons, the Annapurna Base Camp weather is clear, and the temperature is moderate, making it the ideal time for trekking with clear mountain vistas and lush landscapes. 

If you are an experienced trekker looking for further challenges, then winter might be the best option, as the trail is filled with snow in the winter, making the whole experience a different one.

What is the weather like in the base camp of Annapurna?

The weather at Annapurna Base Camp during spring and autumn is clear, with moderate temperatures. In winter is also clear, but it’s extremely cold. Summer/monsoon is not the best time for trekking as the weather is mostly cloudy and foggy with continuous downpour.

What should I wear to Annapurna Base Camp?

As the Base Camp of Annapurna is situated at an altitude of 4,130 m above sea level, the Annapurna Base Camp weather gets cold, especially the night. So it is highly recommended to carry enough warming gear to stay warm in the ABC Base Camp, like a warm thermal layer, jacket, gloves, tracks, hat, etc.

Can a beginner do ABC Trek?

Yes, with a decent fitness level and good preparation, a beginner can also attempt the ABC trek.

What level of fitness is needed for Annapurna Base Camp?

The given difficulty level of the ABC trek is moderately difficult, so the trekkers must have a good physical fitness level.

How to prepare for ABC?

To prepare yourself for the ABC trek:

• Gather all the trekking essentials like trekking boots, poles, layers, a bag, first aid, etc.

• Begin participating in physical and mental exercises, including running, cycling, swimming, yoga, and meditation.

• Avoid consumption of junk food, tobacco, and alcohol. Instead, eat healthy. 

• Learn the acclimatization process.

• Book a professional guide.

• Get the best travel agency.