Average annual temperature is 22.5 °C
Absolute maximum temperature: 36.5 °C
Absolute minimum temperature: 12.5 °C
Number of sunny days: 176 days
Number of rainy days: 189 days
Look at detailed online map of Siwe
* Weather data for Siwe 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) | 30.5 | 30.9 | 30.5 | 28.8 | 29.1 | 30.6 | 31.7 | 33.3 | 34.3 | 36.5 | 34.1 | 30.5 |
| Average daytime temperature (°C) | 27.5 | 28.7 | 27.6 | 26.9 | 27.6 | 28.6 | 29.0 | 31.1 | 32.6 | 34.4 | 29.8 | 27.8 |
| Average temperature (°C) | 21.1 | 22.1 | 21.3 | 21.1 | 21.5 | 21.3 | 21.0 | 23.3 | 25.4 | 27.1 | 23.4 | 21.8 |
| Average night temperature (°C) | 16.8 | 17.8 | 17.2 | 17.0 | 16.5 | 15.2 | 14.2 | 16.5 | 18.8 | 20.6 | 18.5 | 17.6 |
| Absolute minimum temperature (°C) | 15.2 | 16.3 | 15.9 | 15.6 | 14.3 | 13.2 | 12.5 | 14.5 | 16.9 | 18.8 | 17.0 | 16.2 |
| 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 | 12.0 | 11.8 | 11.7 | 11.8 | 11.9 | 12.1 | 12.3 | 12.4 | 12.5 |
| 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) | 9.8 | 10.4 | 9.5 | 10.2 | 10.5 | 10.8 | 11.0 | 11.0 | 11.0 | 11.1 | 10.3 | 9.1 |
| Precipitation (mm) | 159 | 108 | 197 | 165 | 16 | 0 | 0 | 0 | 2 | 5 | 175 | 226 |
| Sunny days | 8 | 4 | 4 | 1 | 15 | 28 | 31 | 31 | 27 | 25 | 1 | 1 |
| Rainy days | 23 | 24 | 27 | 29 | 16 | 2 | 0 | 0 | 3 | 6 | 29 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Siwe is at