Best Time to Visit Nairobi
The best time to visit Nairobi is January to February and June to October, when the average temperature is 19–21°C and rainfall is low for Nairobi, at 16–53 mm a month.
Nairobi weather by month
The wettest month in Nairobi is April with 114 mm of rain, and the warmest is March at an average 22°C. The coolest is June at 19°C.
| Month | Average temperature | Rainfall | Verdict |
|---|---|---|---|
| January | 21°C / 69°F | 39 mm | Best |
| February | 21°C / 71°F | 29 mm | Best |
| March | 22°C / 71°F | 64 mm | Rainy |
| April | 21°C / 69°F | 114 mm | Rainy |
| May | 19°C / 67°F | 73 mm | Rainy |
| June | 19°C / 66°F | 25 mm | Best |
| July | 19°C / 66°F | 16 mm | Best |
| August | 19°C / 67°F | 22 mm | Best |
| September | 20°C / 69°F | 20 mm | Best |
| October | 21°C / 69°F | 53 mm | Best |
| November | 20°C / 68°F | 81 mm | Rainy |
| December | 20°C / 68°F | 65 mm | Rainy |
How we pick the best months
- Best: an average temperature of 15–28°C and low rainfall for Nairobi: under 150 mm, and no more than 60 mm, a quarter above Nairobi's median month (never set below 60 mm).
- If no month qualifies, we show the three driest months that average 10–30°C instead.
- Wet: 150 mm of rain or more. Rainy: more than 60 mm. Hot: 29°C or more on average. Cool: under 15°C. Cold: under 5°C.
Averages cover day and night, so afternoons are warmer than the figure shown. Weather is only one reason to pick a month: school holidays, festivals and prices matter too.
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Where these numbers come from
Monthly averages for January 2001 – December 2020 from the NASA POWER project, for the area around Jomo Kenyatta (NBO) at -1.32, 36.93. The model covers a grid about 50 km across, so a coastal or hilly spot can run a degree or two different. Retrieved 12 September 2026.
The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center (LaRC) Prediction of Worldwide Energy Resource (POWER) Project funded through the NASA Earth Science/Applied Science Program.