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Since 1998

Weather in Nepal

If you’re going to Nepal for trekking, there are two main seasons: October-December and February-April. This is because the majority of trekkers come to visit the popular areas of Annapurna and Everest and spring and autumn are the best times for these areas. Autumn is best, when the air has been washed clean by summer monsoons and the passes haven’t yet been snowed in. The weather is brisk but not too cold. In spring, the alpine passes are open again, but the air is hazy, and the views, while good, aren’t the same as in autumn (if spring is the only time available, it’s still worth going!).

If however you are more intrepid and want to explore the Nepal that lives off the beaten trail, then there is somewhere for you to trek in Nepal all the year round. In spring and autumn you can trek basically anywhere; in the monsoon you can trek in the rain shadow of the Himalayan Range; in winter you can have delightful trekking in the culturally rich mid-hills! If you’re going to Chitwan National Park be aware that it can be very hot and humid for most of the year, although from December to March it’s fantastic! The monsoons, which occur June-September, affect the whole country except for those areas in the rain shadow, and flooding is a strong possibility in the Chitwan region.

Nepal experiences a diverse range of weather patterns due to its unique topography and varying elevations. The country’s weather is influenced by both the Indian monsoon and the trans-Himalayan climate. Here’s an overview of the weather in Nepal:

1. Seasons:

Nepal has four distinct seasons:

Spring (March to May):

Spring brings mild temperatures, with gradually increasing warmth as the season progresses. The weather is usually clear, and rhododendrons bloom, adding vibrant colors to the hills and forests. It is a popular time for trekking and mountaineering.

Summer/Monsoon (June to August):

The monsoon season brings heavy rainfall, particularly in the southern and central regions of Nepal. The weather is hot and humid, with frequent rain showers and occasional thunderstorms. Trekking in higher elevations may still be possible, but the lower regions can be affected by landslides and swollen rivers.

Autumn (September to November):

Autumn is considered the best season for outdoor activities in Nepal. The weather is generally clear and stable, with pleasant temperatures and minimal rainfall. It offers excellent visibility, making it an ideal time for trekking, mountaineering, and other outdoor adventures. The skies are often clear, providing stunning views of the mountains.

Winter (December to February):

Winter in Nepal brings colder temperatures, especially in the higher elevations. In the lowland areas, the weather remains mild, while the mountainous regions experience colder temperatures and occasional snowfall. Trekking is still possible in lower elevations, while higher passes may require more technical gear and experience.

2. Regional Variations:

Nepal’s weather can vary significantly from region to region due to its diverse topography. The lowland Terai region in the south experiences a subtropical climate with hot summers and mild winters. The hilly areas, including Kathmandu Valley, have a moderate climate, with cooler temperatures compared to the Terai. The high Himalayan regions have a colder climate, with temperatures dropping significantly at higher altitudes.

3. Altitude and Weather:

Altitude plays a crucial role in Nepal’s weather. As you ascend to higher elevations, temperatures tend to decrease. The weather becomes more unpredictable and harsher in the mountainous regions, with strong winds and lower oxygen levels. It is essential to be prepared for changing weather conditions, even during the best trekking seasons.

4. Microclimates:

Nepal’s diverse topography contributes to the presence of microclimates. Within short distances, you may encounter variations in temperature, precipitation, and cloud cover. For example, the northern regions of Mustang and Dolpo lie in the rain shadow of the Himalayas and experience significantly less rainfall compared to other areas.

It’s important to note that weather conditions can vary from year to year, and it is always advisable to check the weather forecast and consult with experienced guides or local authorities before planning any outdoor activities in Nepal. Whether you are trekking, sightseeing, or participating in other adventures, being prepared for the weather conditions will enhance your overall experience in this beautiful country.

The weather in Nepal varies based on the seasons and the region you are in. Here’s a general overview of the temperature range in Nepal in Celsius:

Spring (March to May):

  • Lowland/Terai Region: 15°C to 30°C
  • Hilly Region (Including Kathmandu Valley): 10°C to 25°C
  • High Himalayan Region: 0°C to 15°C

Summer/Monsoon (June to August):

  • Lowland/Terai Region: 25°C to 35°C
  • Hilly Region (Including Kathmandu Valley): 20°C to 30°C
  • High Himalayan Region: 10°C to 20°C

Autumn (September to November):

  • Lowland/Terai Region: 15°C to 30°C
  • Hilly Region (Including Kathmandu Valley): 10°C to 25°C
  • High Himalayan Region: -5°C to 10°C

Winter (December to February):

  • Lowland/Terai Region: 7°C to 20°C
  • Hilly Region (Including Kathmandu Valley): 5°C to 20°C
  • High Himalayan Region: -10°C to 5°C

Please note that these temperature ranges are approximate and can vary depending on specific locations and elevations within Nepal. Additionally, temperatures can drop significantly at higher altitudes, especially during the winter season and at night. It is always advisable to check the weather forecast before your trip and be prepared with appropriate clothing and gear for the expected weather conditions.


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To provide you with an authentic Nepalese experience, our local experts are residents of the places. To ensure that every part of your journey is enjoyable and memorable, our office staff and skilled crews are always on hand.

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Travelling in a small group of no more people provides and intimate experience where you will make lifelong friendships. while your guide and support staff are attentive to ensuring your travels are supportive and fully immersive.

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Hiking Himalayas Treks & Expeditions is the trade name for authorized government-licensed trekking and touring company in Nepal. We are committed to ensuring you have a safe and enjoyable holiday

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