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Arusha Weather by Month
Average temperatures, rainfall and humidity for Arusha, Tanzania, month by month, built from OpenWeather’s historical records. Use it to see what a typical Arusha month looks like before you travel — then check the live Arusha forecast for the days ahead.
Warmest month
February
29°C average high
Coolest month
July
13°C average low
Wettest month
March
149 mm of rain
Driest month
September
9 mm of rain
Average temperature and rainfall in Arusha by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 28°C | 16°C | 12°C / 35°C | 68 mm | 70% | 8 km/h |
| February | 29°C | 16°C | 8°C / 37°C | 67 mm | 67% | 8 km/h |
| March | 29°C | 17°C | 12°C / 36°C | 149 mm | 72% | 9 km/h |
| April | 26°C | 17°C | 13°C / 34°C | 147 mm | 82% | 9 km/h |
| May | 24°C | 15°C | 10°C / 30°C | 41 mm | 81% | 10 km/h |
| June | 24°C | 14°C | 9°C / 28°C | 14 mm | 77% | 10 km/h |
| July | 24°C | 13°C | 8°C / 36°C | 10 mm | 73% | 11 km/h |
| August | 25°C | 13°C | 8°C / 30°C | 10 mm | 70% | 12 km/h |
| September | 27°C | 14°C | 9°C / 33°C | 9 mm | 66% | 13 km/h |
| October | 28°C | 16°C | 10°C / 34°C | 30 mm | 65% | 13 km/h |
| November | 27°C | 17°C | 11°C / 33°C | 78 mm | 73% | 11 km/h |
| December | 27°C | 16°C | 12°C / 35°C | 82 mm | 75% | 9 km/h |
Best time to visit Arusha
The most comfortable time to visit Arusha is generally June to August, balancing mild daytime temperatures against the driest stretch of the year. Temperatures stay fairly even all year and rain concentrates around March, totalling about 707 mm a year.
Travellers who prefer heat should aim for February, when highs average 29°C. March is the month to avoid if rain would spoil your plans — it averages 149 mm, roughly 17× the rainfall of the driest month (September).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Arusha forecast for what is happening now.