Arusha weather in May
May in Arusha: nice, a little rain, with clean air — an excellent time to visit.
#5 of 12 months in Arusha · #126 of 604 destinations to visit in May · comfort 88/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Arusha climate normals — May
| Daytime high | 23°C / 73°F | 😎 nice |
|---|---|---|
| Nighttime low | 15°C / 59°F | |
| Feels like (high) | 23°C / 73°F | |
| Rainfall | 41 mm / 1.6 in | 🌦 some rain |
| Rainy days | 11 days | |
| Humidity | 76% | 💦 very humid |
| Dew point | 14°C / 58°F | |
| Sunshine | 9.4 h/day | |
| Daylight | 12 h | |
| Wind | 10 km/h / 6 mph | |
| Air quality (US AQI) | 38 | 🍃 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 May — FAQ
- Is May a good time to visit Arusha?
- May in Arusha: nice, a little rain, with clean air — an excellent time to visit. It ranks #5 of 12 months for Arusha on SeasonMap's comfort score (88/100).
- What is the weather like in Arusha in May?
- In May, Arusha averages a daily high of 22.5°C and a low of 15.1°C, with about 40.5 mm of rain over roughly 11 rainy days.
- What is the air quality in Arusha in May?
- Arusha has a mean US Air Quality Index of about 38 in May.