Arusha weather in January
January in Arusha: hot, rainy, with clean air — an excellent time to visit.
#8 of 12 months in Arusha · #146 of 604 destinations to visit in January · comfort 81/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Arusha climate normals — January
| Daytime high | 27°C / 81°F | 🥵 hot |
|---|---|---|
| Nighttime low | 16°C / 61°F | |
| Feels like (high) | 29°C / 84°F | |
| Rainfall | 88 mm / 3.4 in | 🌧 rainy |
| Rainy days | 11 days | |
| Humidity | 58% | 🍃 comfortable |
| Dew point | 13°C / 55°F | |
| Sunshine | 10.6 h/day | |
| Daylight | 12.3 h | |
| Wind | 8 km/h / 5 mph | |
| Air quality (US AQI) | 43 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Arusha?
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Arusha in January — FAQ
- Is January a good time to visit Arusha?
- January in Arusha: hot, rainy, with clean air — an excellent time to visit. It ranks #8 of 12 months for Arusha on SeasonMap's comfort score (81/100).
- What is the weather like in Arusha in January?
- In January, Arusha averages a daily high of 27.2°C and a low of 16.2°C, with about 87.5 mm of rain over roughly 11.4 rainy days.
- What is the air quality in Arusha in January?
- Arusha has a mean US Air Quality Index of about 43 in January.