Kathmandu weather in August
August in Kathmandu: hot, soaked, with very humid — a fair time to visit.
#11 of 12 months in Kathmandu · #550 of 604 destinations to visit in August · comfort 50/100 (tier D)
Updated June 2026 · climate normals from ERA5 reanalysis
Kathmandu climate normals — August
| Daytime high | 26°C / 78°F | 🥵 hot |
|---|---|---|
| Nighttime low | 21°C / 69°F | |
| Feels like (high) | 31°C / 88°F | |
| Rainfall | 617 mm / 24.3 in | ⛈ soaked |
| Rainy days | 31 days | |
| Humidity | 90% | 💦 very humid |
| Dew point | 21°C / 70°F | |
| Sunshine | 6.5 h/day | |
| Daylight | 13.1 h | |
| Wind | 6 km/h / 3 mph | |
| Air quality (US AQI) | 61 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Kathmandu in August — FAQ
- Is August a good time to visit Kathmandu?
- August in Kathmandu: hot, soaked, with very humid — a fair time to visit. It ranks #11 of 12 months for Kathmandu on SeasonMap's comfort score (50/100).
- What is the weather like in Kathmandu in August?
- In August, Kathmandu averages a daily high of 25.8°C and a low of 20.8°C, with about 616.8 mm of rain over roughly 31 rainy days.
- What is the air quality in Kathmandu in August?
- Kathmandu has a mean US Air Quality Index of about 61 in August.