Average annual temperature is 25.2 °C
Absolute maximum temperature: 37.8 °C
Absolute minimum temperature: 15.5 °C
Number of sunny days: 86 days
Number of rainy days: 279 days
Look at detailed online map of Riva
* Weather data for Riva 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) | 34.5 | 37.1 | 37.8 | 30.8 | 28.7 | 28.2 | 30.1 | 32.6 | 34.5 | 36.6 | 33.1 | 34.3 |
| Average daytime temperature (°C) | 31.9 | 33.8 | 33.6 | 28.4 | 27.7 | 27.4 | 27.9 | 29.2 | 32.0 | 33.9 | 29.9 | 31.4 |
| Average temperature (°C) | 26.3 | 27.9 | 27.4 | 24.1 | 23.5 | 22.7 | 22.6 | 23.6 | 25.7 | 27.2 | 24.9 | 26.3 |
| Average night temperature (°C) | 22.2 | 23.0 | 23.0 | 21.4 | 20.2 | 18.6 | 17.8 | 18.7 | 19.7 | 21.4 | 21.5 | 22.7 |
| Absolute minimum temperature (°C) | 21.0 | 21.4 | 20.9 | 19.5 | 17.7 | 15.9 | 15.5 | 16.7 | 18.0 | 18.5 | 20.1 | 21.1 |
| 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 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.5 | 12.3 | 12.1 | 11.9 | 11.8 | 11.7 | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.6 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 10.4 | 10.4 | 9.6 | 8.5 | 10.0 | 10.3 | 10.6 | 10.4 | 10.4 | 10.4 | 8.9 | 10.2 |
| Precipitation (mm) | 133 | 60 | 99 | 268 | 75 | 46 | 29 | 52 | 31 | 98 | 288 | 212 |
| Sunny days | 6 | 11 | 5 | 2 | 4 | 15 | 9 | 7 | 12 | 11 | 3 | 1 |
| Rainy days | 25 | 17 | 26 | 28 | 27 | 15 | 22 | 24 | 18 | 20 | 27 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Riva is at