Average annual temperature is 20.5 °C
Absolute maximum temperature: 33.7 °C
Absolute minimum temperature: 12.4 °C
Number of sunny days: 69 days
Number of rainy days: 296 days
Look at detailed online map of Usa River
* Weather data for Usa River Tanzania is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 32.2 | 33.2 | 33.7 | 28.0 | 26.3 | 24.9 | 24.3 | 26.7 | 27.8 | 28.7 | 28.2 | 30.3 |
| Average daytime temperature (°C) | 29.6 | 31.3 | 29.6 | 24.9 | 24.1 | 22.8 | 21.9 | 23.6 | 25.8 | 26.2 | 24.6 | 27.3 |
| Average temperature (°C) | 22.7 | 23.8 | 23.1 | 20.4 | 19.7 | 18.5 | 17.5 | 18.5 | 20.1 | 20.8 | 20.1 | 21.6 |
| Average night temperature (°C) | 16.7 | 16.6 | 17.5 | 17.7 | 17.0 | 15.3 | 14.4 | 14.8 | 15.8 | 16.7 | 17.4 | 17.2 |
| Absolute minimum temperature (°C) | 14.5 | 15.2 | 15.2 | 16.3 | 15.1 | 13.2 | 12.4 | 13.1 | 14.0 | 13.9 | 15.9 | 15.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.3 | 12.2 | 12.1 | 12.0 | 12.0 | 11.9 | 11.9 | 12.0 | 12.1 | 12.2 | 12.3 | 12.3 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 11.3 | 11.5 | 10.5 | 8.6 | 8.6 | 8.7 | 8.7 | 9.6 | 10.4 | 10.5 | 9.3 | 11.1 |
| Precipitation (mm) | 20 | 5 | 82 | 256 | 232 | 139 | 137 | 91 | 70 | 141 | 317 | 124 |
| Sunny days | 12 | 18 | 11 | 0 | 1 | 7 | 5 | 4 | 4 | 4 | 2 | 1 |
| Rainy days | 19 | 10 | 20 | 30 | 30 | 23 | 26 | 27 | 26 | 27 | 28 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Usa River is at