Arusha Climate by Month
Arusha, Tanzania
Warm days and mild nights all year, with a rainy season from January to May.
Arusha has warm days and mild nights all year, with a rainy season from January to May. Expect highs of 83°F (28°C) in February and 70°F (21°C) in July, with the coldest nights (July) near 54°F (12°C). It gets 31 in (777 mm) of rain a year, 71% of it from January to May. July to September are almost completely dry.
- Warmest month
- 83°F(28°C)
- Average high, February
- Coldest nights
- 54°F(12°C)
- Average low, July
- Rain per year
- 31 in(777 mm)
- Wettest: April
- Humidity
- 72%
- Sunniest: February
Best and worst months in Arusha
Best for weatherThe most comfortable weather comes in August and September, with highs around 75°F (24°C) and almost no rain.
Least pleasantMarch and April are the least pleasant; April is the wettest, with 7.5 in (190 mm) of rain.
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in September.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Arusha weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 83°F(28°C) | 58°F(15°C) | 2.4 in(60 mm) | 67% | 5.4 |
| FebFebruary | 83°F(28°C) | 58°F(15°C) | 2.6 in(65 mm) | 66% | 5.5 |
| MarMarch | 81°F(27°C) | 60°F(16°C) | 5.6 in(141 mm) | 74% | 5.1 |
| AprApril | 77°F(25°C) | 61°F(16°C) | 7.5 in(190 mm) | 78% | 4.6 |
| MayMay | 73°F(23°C) | 59°F(15°C) | 3.7 in(95 mm) | 83% | 3.9 |
| JunJune | 71°F(22°C) | 56°F(14°C) | 0.5 in(13 mm) | 79% | 3.9 |
| JulJuly | 70°F(21°C) | 54°F(12°C) | 0.2 in(5 mm) | 73% | 4.2 |
| AugAugustBest | 73°F(23°C) | 55°F(13°C) | 0.2 in(5 mm) | 69% | 4.8 |
| SepSeptemberBest | 76°F(25°C) | 56°F(13°C) | 0.2 in(6 mm) | 64% | 5.3 |
| OctOctober | 79°F(26°C) | 57°F(14°C) | 0.9 in(23 mm) | 68% | 5.5 |
| NovNovember | 80°F(27°C) | 59°F(15°C) | 3.6 in(92 mm) | 69% | 5.0 |
| DecDecember | 81°F(27°C) | 59°F(15°C) | 3.2 in(82 mm) | 72% | 5.0 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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