Kathmandu weather in December
December in Kathmandu: nice, dry, with poor air quality — an excellent time to visit.
#4 of 12 months in Kathmandu · #158 of 604 destinations to visit in December · comfort 80/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Kathmandu climate normals — December
| Daytime high | 17°C / 63°F | 😎 nice |
|---|---|---|
| Nighttime low | 9°C / 48°F | |
| Feels like (high) | 16°C / 61°F | |
| Rainfall | 27 mm / 1.1 in | ☀️ dry |
| Rainy days | 4 days | |
| Humidity | 76% | 💦 very humid |
| Dew point | 9°C / 48°F | |
| Sunshine | 9 h/day | |
| Daylight | 10.4 h | |
| Wind | 6 km/h / 4 mph | |
| Air quality (US AQI) | 123 | 😷 poor |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Kathmandu?
Loading map…
Kathmandu in December — FAQ
- Is December a good time to visit Kathmandu?
- December in Kathmandu: nice, dry, with poor air quality — an excellent time to visit. It ranks #4 of 12 months for Kathmandu on SeasonMap's comfort score (80/100).
- What is the weather like in Kathmandu in December?
- In December, Kathmandu averages a daily high of 17.4°C and a low of 9°C, with about 27 mm of rain over roughly 4 rainy days.
- What is the air quality in Kathmandu in December?
- Kathmandu has a mean US Air Quality Index of about 123 in December.