Nairobi Climate — Average Highs, Lows & Rainfall by Month
Nairobi has a temperate climate with four distinct seasons. Daytime temperatures average 28°C / 82°F in March, the warmest month, and drop to 23°C / 73°F in July, the coldest. Overnight lows in July average 13°C / 55°F. Nairobi receives about 695 mm of rain a year across roughly 146 wet days, with April the wettest month.
Averages for 2021–2025 · Open-Meteo Historical Weather API (ERA5 reanalysis) · Updated 2026-10-05
Monthly averages in Nairobi
Average daytime high, overnight low and rainfall for each month of the year.
| Month | Avg high | Avg low | Rainfall | Wet days |
|---|---|---|---|---|
| January | 26°C / 79°F | 14°C / 58°F | 43 mm | 8 |
| February | 28°C / 82°F | 15°C / 59°F | 31 mm | 6 |
| March | 28°C / 82°F | 15°C / 60°F | 45 mm | 10 |
| April | 25°C / 77°F | 16°C / 60°F | 154 mm | 26 |
| May | 24°C / 76°F | 15°C / 58°F | 96 mm | 17 |
| June | 24°C / 75°F | 13°C / 56°F | 26 mm | 8 |
| July | 23°C / 73°F | 13°C / 55°F | 20 mm | 4 |
| August | 24°C / 74°F | 13°C / 55°F | 33 mm | 8 |
| September | 26°C / 78°F | 13°C / 56°F | 22 mm | 6 |
| October | 27°C / 80°F | 15°C / 58°F | 44 mm | 12 |
| November | 25°C / 77°F | 15°C / 59°F | 112 mm | 21 |
| December | 25°C / 77°F | 15°C / 59°F | 68 mm | 20 |
Best time to visit Nairobi
July, September, June offer the most comfortable weather in Nairobi: mild daytime temperatures with the year's lowest rainfall — July averages 23°C (73°F); September averages 26°C (78°F); June averages 24°C (75°F).
Nairobi climate FAQ
- What is the hottest month in Nairobi?
- March is the hottest month in Nairobi, with average daytime highs of 28°C / 82°F and overnight lows of 15°C / 60°F (averages for 2021–2025).
- What is the coldest month in Nairobi?
- July is the coldest month in Nairobi, with average highs of 23°C / 73°F and lows of 13°C / 55°F.
- How much rain does Nairobi get a year?
- Nairobi receives about 695 mm of rainfall a year, spread over roughly 146 wet days. April is the wettest month (154 mm on average) and July the driest (20 mm).
- When is the best time to visit Nairobi?
- July, September, June are the most comfortable months in Nairobi: mild daytime temperatures with the least rainfall of the year.
Want today's conditions instead of averages?
See live weather in Nairobi →Source: Open-Meteo Historical Weather API (ERA5 reanalysis), Open-Meteo. Averages are daily means across 2021–2025 and are rounded for display — for a live forecast see the Nairobi weather page.