Average annual temperature is 24.4 °C
Absolute maximum temperature: 38.1 °C
Absolute minimum temperature: 16.8 °C
Number of sunny days: 39 days
Number of rainy days: 326 days
Look at detailed online map of Kisiwani
* Weather data for Kisiwani 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) | 37.1 | 37.2 | 38.1 | 32.3 | 29.4 | 28.1 | 31.2 | 30.0 | 31.1 | 33.7 | 30.0 | 32.1 |
| Average daytime temperature (°C) | 34.9 | 35.8 | 33.7 | 28.3 | 27.4 | 27.0 | 28.1 | 27.8 | 29.6 | 30.8 | 27.7 | 29.7 |
| Average temperature (°C) | 26.8 | 27.2 | 26.6 | 24.1 | 23.3 | 22.4 | 22.3 | 22.6 | 23.8 | 24.8 | 23.6 | 25.2 |
| Average night temperature (°C) | 22.0 | 22.3 | 22.4 | 21.5 | 20.4 | 18.9 | 18.3 | 18.8 | 19.7 | 21.0 | 21.3 | 22.2 |
| Absolute minimum temperature (°C) | 20.4 | 21.4 | 21.0 | 20.0 | 18.3 | 16.8 | 17.1 | 16.9 | 18.3 | 19.3 | 19.7 | 21.4 |
| 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) | 12.4 | 12.3 | 12.1 | 12.0 | 11.9 | 11.8 | 11.8 | 11.9 | 12.1 | 12.2 | 12.4 | 12.4 |
| 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) | 11.0 | 11.3 | 10.1 | 7.5 | 9.5 | 9.5 | 10.4 | 10.3 | 10.2 | 10.6 | 7.7 | 10.5 |
| Precipitation (mm) | 23 | 16 | 64 | 319 | 135 | 74 | 52 | 81 | 63 | 74 | 446 | 140 |
| Sunny days | 8 | 11 | 10 | 0 | 0 | 3 | 1 | 0 | 0 | 3 | 3 | 0 |
| Rainy days | 23 | 17 | 21 | 30 | 31 | 27 | 30 | 31 | 30 | 28 | 27 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Kisiwani is at