Arusha weather in December
December in Arusha: warm, rainy, with clean air — an excellent time to visit.
#7 of 12 months in Arusha · #122 of 604 destinations to visit in December · comfort 82/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Arusha climate normals — December
| Daytime high | 26°C / 79°F | 🌤 warm |
|---|---|---|
| Nighttime low | 16°C / 62°F | |
| Feels like (high) | 28°C / 82°F | |
| Rainfall | 93 mm / 3.7 in | 🌧 rainy |
| Rainy days | 17 days | |
| Humidity | 70% | 💧 humid |
| Dew point | 15°C / 59°F | |
| Sunshine | 10.5 h/day | |
| Daylight | 12.3 h | |
| Wind | 7 km/h / 5 mph | |
| Air quality (US AQI) | 37 | 🍃 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 December — FAQ
- Is December a good time to visit Arusha?
- December in Arusha: warm, rainy, with clean air — an excellent time to visit. It ranks #7 of 12 months for Arusha on SeasonMap's comfort score (82/100).
- What is the weather like in Arusha in December?
- In December, Arusha averages a daily high of 26.2°C and a low of 16.4°C, with about 92.9 mm of rain over roughly 17.2 rainy days.
- What is the air quality in Arusha in December?
- Arusha has a mean US Air Quality Index of about 37 in December.