Kathmandu weather in May
May in Kathmandu: warm, soaked, with poor air quality — a good time to visit.
#8 of 12 months in Kathmandu · #468 of 604 destinations to visit in May · comfort 69/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Kathmandu climate normals — May
| Daytime high | 25°C / 77°F | 🌤 warm |
|---|---|---|
| Nighttime low | 17°C / 62°F | |
| Feels like (high) | 28°C / 82°F | |
| Rainfall | 255 mm / 10 in | ⛈ soaked |
| Rainy days | 24 days | |
| Humidity | 77% | 💦 very humid |
| Dew point | 16°C / 61°F | |
| Sunshine | 10.8 h/day | |
| Daylight | 13.5 h | |
| Wind | 7 km/h / 4 mph | |
| Air quality (US AQI) | 105 | 😷 poor |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Kathmandu in May — FAQ
- Is May a good time to visit Kathmandu?
- May in Kathmandu: warm, soaked, with poor air quality — a good time to visit. It ranks #8 of 12 months for Kathmandu on SeasonMap's comfort score (69/100).
- What is the weather like in Kathmandu in May?
- In May, Kathmandu averages a daily high of 24.9°C and a low of 16.5°C, with about 254.7 mm of rain over roughly 24.2 rainy days.
- What is the air quality in Kathmandu in May?
- Kathmandu has a mean US Air Quality Index of about 105 in May.