Tanzania · 30-year monthly climate averages
Based on 30 years of climate data, the most comfortable months to visit Arusha are June, August and September, when daytime temperatures are agreeable and rainfall is relatively low.
Arusha sees its warmest weather in February, when daytime highs average around 28°C, and its coolest in July (around 21°C).
Annual precipitation totals roughly 864mm — April is typically the wettest month (~232mm) and September the driest (~9mm).
A distinctly wetter period runs from March to May — worth planning around if you prefer dry days.
🟧 avg daytime high · 🟦 dashed: avg nighttime low · bars: monthly rainfall
Daily forecast highs vs the 30-year normal — last 61 days
Each bar is one day: orange above normal, blue below.
| Month | High / Low | Rainfall | Travel rating |
|---|---|---|---|
| January | 27° / 15°C | 61mm | 🌟 Great |
| February | 28° / 15°C | 53mm | 🌟 Great |
| March | 27° / 16°C | 128mm | 👍 Good |
| April | 24° / 16°C | 232mm | 👍 Good |
| May | 22° / 15°C | 118mm | 🌟 Great |
| June | 21° / 12°C | 20mm | 🌟 Great |
| July | 21° / 11°C | 12mm | 🌟 Great |
| August | 22° / 12°C | 9mm | 🌟 Great |
| September | 24° / 13°C | 9mm | 🌟 Great |
| October | 25° / 14°C | 34mm | 🌟 Great |
| November | 25° / 15°C | 96mm | 🌟 Great |
| December | 26° / 15°C | 92mm | 🌟 Great |
January in Arusha is warm, with average daytime highs around 27°C (80°F) and nighttime lows near 15°C (59°F). Expect roughly 61mm of precipitation, with a moderate amount of rain.
🎒 What to pack — light summer clothing · sunscreen and sunglasses
February in Arusha is warm, with average daytime highs around 28°C (82°F) and nighttime lows near 15°C (59°F). Expect roughly 53mm of precipitation, with little rainfall.
🎒 What to pack — light summer clothing · sunscreen and sunglasses
March in Arusha is warm, with average daytime highs around 27°C (80°F) and nighttime lows near 16°C (60°F). Expect roughly 128mm of precipitation, and this is one of the wetter months.
🎒 What to pack — light summer clothing · sunscreen and sunglasses · compact umbrella or rain jacket
April in Arusha is pleasantly warm, with average daytime highs around 24°C (75°F) and nighttime lows near 16°C (61°F). Expect roughly 232mm of precipitation, and heavy rainfall is common — this is peak wet season territory.
🎒 What to pack — light layers · comfortable walking shoes · compact umbrella or rain jacket
May in Arusha is pleasantly warm, with average daytime highs around 22°C (72°F) and nighttime lows near 15°C (58°F). Expect roughly 118mm of precipitation, and this is one of the wetter months.
🎒 What to pack — light layers · comfortable walking shoes · compact umbrella or rain jacket
June in Arusha is pleasantly warm, with average daytime highs around 21°C (70°F) and nighttime lows near 12°C (54°F). Expect roughly 20mm of precipitation, with little rainfall.
🎒 What to pack — light layers · comfortable walking shoes
July in Arusha is pleasantly warm, with average daytime highs around 21°C (69°F) and nighttime lows near 11°C (52°F). Expect roughly 12mm of precipitation, and rain is rare.
🎒 What to pack — light layers · comfortable walking shoes
August in Arusha is pleasantly warm, with average daytime highs around 22°C (71°F) and nighttime lows near 12°C (53°F). Expect roughly 9mm of precipitation, and rain is rare.
🎒 What to pack — light layers · comfortable walking shoes
September in Arusha is pleasantly warm, with average daytime highs around 24°C (75°F) and nighttime lows near 13°C (55°F). Expect roughly 9mm of precipitation, and rain is rare.
🎒 What to pack — light layers · comfortable walking shoes
October in Arusha is warm, with average daytime highs around 25°C (77°F) and nighttime lows near 14°C (58°F). Expect roughly 34mm of precipitation, with little rainfall.
🎒 What to pack — light summer clothing · sunscreen and sunglasses
November in Arusha is warm, with average daytime highs around 25°C (77°F) and nighttime lows near 15°C (59°F). Expect roughly 96mm of precipitation, with a moderate amount of rain.
🎒 What to pack — light summer clothing · sunscreen and sunglasses
December in Arusha is warm, with average daytime highs around 26°C (78°F) and nighttime lows near 15°C (59°F). Expect roughly 92mm of precipitation, with a moderate amount of rain.
🎒 What to pack — light summer clothing · sunscreen and sunglasses