Kathmandu Weather in May
Nepal · Subtropical Highlands climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
May in Kathmandu sees average temperatures ranging from a low of 15.9°C (60.6°F) to a high of 25.2°C (77.4°F), with a mean of 20.0°C (68.0°F). Compared to the annual average of 17.7°C (63.9°F), this month is 2.3°C warmer than the yearly norm. Precipitation averages 250.6mm, making it approximately 1.0mm wetter than the monthly average of 249.0mm. The city receives an average of 10.1 hours of sunshine per day during May, with relative humidity averaging 78.7%. Wind speeds reach an average maximum of 9.8 km/h. For travelers, this month offers a temperature experience in Kathmandu, with wetter-than-average conditions compared to the rest of the year.
Kathmandu's subtropical highland climate is shaped by its position in the Kathmandu Valley. I've studied the data and found that the city experiences mild temperatures year-round, with a monsoon season from June to September. The best time for visiting is October to May, when the weather is dry and the Himalayan views are clearest.
May vs Adjacent Months
| Metric | April | May | June |
|---|---|---|---|
| Mean Temp | 19.6°C (67.3°F) | 20.0°C (68.0°F) | 22.3°C (72.1°F) |
| Rainfall | 55.8mm | 250.6mm | 482.4mm |
| Sunshine | 11.1 hrs | 10.1 hrs | 9.6 hrs |
| Humidity | 58.3% | 78.7% | 85.1% |
| Wind | 12.9 km/h | 9.8 km/h | 9.3 km/h |
| Rainy Days | 13.2 | 26.6 | 28.0 |
Seasonal Context
May falls in Spring in the Northern Hemisphere. Spring is a transitional season with temperatures rising from winter lows. For travelers visiting Kathmandu in May, the data indicates mixed conditions based on the combination of temperature, precipitation, and daylight hours.
Frequently Asked Questions
What is the average temperature in Kathmandu in May?
The average temperature in Kathmandu during May ranges from 15.9°C (60.6°F) to 25.2°C (77.4°F), with a mean of 20.0°C (68.0°F).
How much does it rain in Kathmandu in May?
Kathmandu receives an average of 250.6mm of precipitation in May, spread across approximately 26.6 rainy days.
What should I pack for Kathmandu in May?
Based on May weather data, pack layers including light jackets and t-shirts, plus an umbrella. Rain gear is essential — this month averages 250.6mm of precipitation.
Is May a good time to visit Kathmandu?
May is a month with challenging conditions. Plan activities carefully and stay hydrated.
Other Months for Kathmandu
Cities with Similar May Climate (Subtropical Highlands)
Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: 27.72°, 85.32°. Timezone: Asia/Kathmandu. Last updated: 2026-07-30.