Weather in Nepal in May

updated 12.02.2025

May marks the end of spring and the arrival of the pre-monsoon season, with increasingly warm temperatures across the country reaching as high as 93°F (34°C). In the Himalayas, higher trekking routes are still accessible, although the weather in Nepal in May is typically cloudier, especially in the afternoons. Kathmandu Valley is warm, and hazy skies are more common than in preceding months, while the marshy Terai begins to heat up significantly. Wildlife enthusiasts can still enjoy safaris, but they are most enjoyable in the mornings. Trekking at higher altitudes becomes more appealing as the days grow hotter, though preparation for variable weather is essential.

Nepal in May at a glance

May marks the transition to pre-monsoon in Nepal, with warm weather and increasingly humid afternoons. It’s an ideal time for high-altitude treks and exploring Nepal with fewer crowds.

  • The weather in Nepal in May is hot. Kathmandu's temperatures range from 68°F to 93°F (20°C to 34°C). Conditions in the mountains remain pleasant, though occasional afternoon clouds and some precipitation are common.
  • May is a good time for adventurous travelers to visit, as it offers opportunities to enjoy high-altitude trekking routes before the rains arrive.
  • Crowds are thin compared to the peak season in April, making accommodation and tours more accessible and slightly lower priced.
  • Morning safaris in Chitwan and Bardia are still enjoyable, with good chances of spotting wildlife before the heat intensifies later in the day.
  • The higher Himalayas provide excellent trekking conditions, with fewer tourists and stunning views of snow-capped peaks and lush landscapes.
sacred-stones-nepal-himalayas-shutterstock_1074468137

The Sacred stones, Nepal, Himalayas @ Shutterstock

Is May a good time to visit Nepal?

May is the last month before the monsoon season in Nepal. It offers warm weather and lush greenery, making it an excellent time for high-altitude trekking and exploring Nepal’s quieter side.

The weather remains pleasant in the mountains, though Kathmandu and the Terai experience warmer afternoons. Temperatures occasionally reach the mid-90s°F (mid-30s°C).

While tourist numbers drop slightly after April, May remains a good time to visit for trekking and wildlife activities. Accommodations and tour costs are more manageable than in peak spring months, but reservation in advance is still recommended to guarantee first-choice lodgings.

The weather in Nepal in May dictates schedules due to the afternoon heat. However, morning safaris in Chitwan and Bardia are still possible, and there are good chances of spotting wildlife, including some endangered species, before the mercury rises.

High-altitude trekking routes like Everest Base Camp are relatively quiet, and the views are still breathtaking most of the time. Some clouds can descend, so it’s worth checking local forecasts for more details.

Average daily temperatures in May

May marks the end of spring and the start of the pre-monsoon season in Nepal. Kathmandu experiences highs of 91°F (33°C) and lows around 68°F (20°C), with occasional humidity and a little higher chance of rain.

In the higher altitudes, such as Everest and Annapurna, daytime highs average 46°F (8°C), and nights drop to 27°F (-3°C). The trails remain accessible, and some clouds form in the afternoons.

The Terai plains are hot, with temperatures reaching 95°F (35°C) during the day and 72°F (22°C) at night, but mornings are comfortable for safaris in Chitwan.

May’s weather is warm, and the skies are generally clear in the mornings, although afternoon clouds are common. Trekkers enjoy fewer crowds and vibrant landscapes.

With its manageable warmth and quieter trails, May is ideal for adventurous travelers seeking high-altitude treks or cultural experiences.

Friendship Highway En Route to Mount Everest in Tibet and Nepal @ N K/Shutterstock

Friendship Highway En Route to Mount Everest in Tibet and Nepal @ N K/Shutterstock

What about the crowds and cost?

May sees a gradual decline in tourist numbers as the spring trekking season winds down. Trails and cultural sites become quieter compared to the peak activity in April.

Prices for accommodations and tours begin to decrease, making May a more budget-friendly option for travelers. Availability at lodges and hotels improves, especially toward the end of the month.

While there are a fair number of trekkers en route, high-altitude outings remain appealing for those seeking quieter experiences. May offers a balance of manageable crowds, reduced costs, and pleasant weather before the monsoon arrives.

Things to do in Nepal

May is the final month before the monsoon season begins, offering warm temperatures and lush green landscapes. It’s an excellent time for high-altitude treks and off-the-beaten-path exploration. Here are some of the best things to do in Nepal in May to get the most out of your trip.

Trekking to Upper Mustang

May is the perfect time to explore Upper Mustang, a rain-shadow region that offers travelers a striking desert-like landscape. There are loads of mysterious ancient caves to venture into, plus a rich Tibetan culture to enjoy, which creates an unforgettable experience. The region’s remoteness adds to its charm, offering a journey unlike any other.

White-Water Rafting on the Trishuli River

The Trishuli River is at its best for white-water rafting in May when snowmelt raises water levels. The mix of thrilling rapids and calm stretches lets you enjoy the excitement while soaking in the lush, scenic surroundings. It’s a perfect choice for those craving a mix of adventure and natural beauty.

gorkha-palace-nepal-india-shutterstock_1059513656

Gorkha Palace, Nepal @ Shutterstock

Birdwatching in Koshi Tappu Wildlife Reserve

For the ideal month to go birdwatching at Koshi Tappu Wildlife Reserve, look no further than May. The wetlands are home, temporary and permanent, to awe-inspiring migratory and resident bird species. Pack some binoculars and head out for a relaxing day of escape, viewing Nepal’s diverse wildlife.

Visit Gorkha Durbar

A visit to Gorkha Durbar in May combines history, culture, and scenic beauty. This impressive palace and fort complex offers a glimpse into Nepal’s past. The trek up to the site is rewarded with panoramic views of rolling hills and valleys, making the journey as memorable as the destination itself.

Festivals and events in Nepal in May

May offers a mix of spiritual and community-focused celebrations in Nepal. Here are some notable events to experience:  

  • Buddha Jayanti: This event celebrates the birth, enlightenment, and death of Buddha and is marked with processions and rituals at Lumbini, his birthplace, and other Buddhist sites.  
    Tiji Festival: Held in Upper Mustang, this ancient Tibetan Buddhist festival involves masked dances and rituals to ward off evil spirits.  
  • Ropain Festival: Known as the rice planting festival, this event involves locals gathering in the fields to plant rice, sing, and play in the mud, offering a glimpse into Nepal’s agrarian traditions.  
  • Annapurna Base Camp trek season: May is peak trekking season, and many events around Pokhara celebrate the adventurous spirit of trekkers.
Olga Sitnitsa

written by
Olga Sitnitsa

updated 12.02.2025

Online editor at Rough Guides, specialising in travel content. Passionate about creating compelling stories and inspiring others to explore the world.