Climate in Kathmandu — Annual Weather Overview
Kathmandu has a oceanic climate — mild temperatures year-round with regular rainfall. The hottest month is July (average high 26.5°C) and the coolest is January (16.8°C). There is a noticeable seasonal temperature shift of 9.7°C between July and January. Annual rainfall totals around 3106mm. July is the wettest month at 905.0mm, while December averages just 6.4mm. Average daily sunshine is 9.4 hours.
**Spring (March, April, May):** average highs 24.1°C, 409mm rain. **Summer (June, July, August):** average highs 26.4°C, 2141mm rain. **Autumn (September, October, November):** average highs 23.7°C, 489mm rain. **Winter (December, January, February):** average highs 17.8°C, 66mm rain.
Kathmandu — Monthly Temperatures
Kathmandu — Monthly Rainfall
✅ Best months to visit
All year
ℹ️ No months to avoid
Weather in Kathmandu stays reasonable all year.
Kathmandu weather by month
| Month | High | Low | Rain | Sun/day | Rainy days | Rating |
|---|---|---|---|---|---|---|
| January | 16.8°C | 5.0°C | 27.5mm | 9.1h | 4 | 10/10 |
| February | 18.3°C | 6.1°C | 32.5mm | 10.3h | 6 | 10/10 |
| March | 22.5°C | 10.7°C | 54.7mm | 10.4h | 10 | 10/10 |
| April | 25.2°C | 13.8°C | 69.5mm | 11.0h | 11 | 10/10 |
| May | 24.6°C | 15.6°C | 285.2mm | 9.8h | 26 | 8/10 |
| June | 26.3°C | 18.9°C | 527.5mm | 9.3h | 26 | 8/10 |
| July | 26.5°C | 20.2°C | 905.0mm | 7.6h | 31 | 8/10 |
| August | 26.5°C | 20.1°C | 708.5mm | 7.9h | 31 | 8/10 |
| September | 26.1°C | 18.7°C | 367.6mm | 8.7h | 29 | 8/10 |
| October | 24.1°C | 14.9°C | 115.0mm | 9.6h | 14 | 9/10 |
| November | 21.0°C | 9.3°C | 6.5mm | 9.7h | 2 | 10/10 |
| December | 18.3°C | 6.0°C | 6.4mm | 9.3h | 1 | 10/10 |
For the full verdict on when to go, see the best time to visit Kathmandu and the Kathmandu rainy season guide. Seasonal breakdowns: spring, summer, autumn and winter.
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Frequently Asked Questions
What type of climate does Kathmandu have?
Kathmandu has a oceanic climate — mild temperatures year-round with regular rainfall. Average highs range from 16.8°C in January to 26.5°C in July.
What is the hottest month in Kathmandu?
July is the hottest month in Kathmandu, with average highs of 26.5°C and lows of 20.2°C.
What is the coldest month in Kathmandu?
January is the coolest month, with average highs of 16.8°C and lows of 5.0°C.
What is the wettest month in Kathmandu?
July is the wettest month, averaging 905.0mm of rainfall over around 31 rainy days.
When is rainy season in Kathmandu?
Rainy season in Kathmandu runs May to October, when rainfall is significantly higher than the rest of the year. Full rainy season guide →
How much rain does Kathmandu get per year?
Kathmandu receives around 3106mm of rain per year. The driest month is December (6.4mm).
When is the best time to visit Kathmandu?
The best time to visit Kathmandu is All year. See the full month-by-month guide →
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Trip essentials for Kathmandu
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.