Average annual temperature is 25.9 °C
Absolute maximum temperature: 38.8 °C
Absolute minimum temperature: 18.8 °C
Number of sunny days: 35 days
Number of rainy days: 330 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) | 38.5 | 38.8 | 38.5 | 33.0 | 30.9 | 29.0 | 30.0 | 31.7 | 32.6 | 33.7 | 32.1 | 33.4 |
| Average daytime temperature (°C) | 35.0 | 36.3 | 34.7 | 29.8 | 28.8 | 28.0 | 28.0 | 29.2 | 30.9 | 31.1 | 29.0 | 30.9 |
| Average temperature (°C) | 27.6 | 28.4 | 28.0 | 26.1 | 25.2 | 24.2 | 23.7 | 24.4 | 25.5 | 26.2 | 25.4 | 26.7 |
| Average night temperature (°C) | 23.4 | 23.9 | 24.2 | 23.6 | 22.5 | 21.0 | 20.2 | 20.7 | 21.5 | 22.3 | 23.1 | 23.8 |
| Absolute minimum temperature (°C) | 22.4 | 22.6 | 23.3 | 22.0 | 21.6 | 19.7 | 18.8 | 19.0 | 20.1 | 20.0 | 21.7 | 23.0 |
| 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 | 11.9 | 12.0 | 12.1 | 12.2 | 12.3 | 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) | 10.9 | 11.1 | 10.2 | 8.2 | 10.1 | 10.1 | 10.7 | 10.5 | 10.6 | 10.4 | 7.0 | 10.9 |
| Precipitation (mm) | 68 | 40 | 92 | 346 | 127 | 63 | 64 | 68 | 83 | 126 | 501 | 216 |
| Sunny days | 2 | 3 | 2 | 0 | 3 | 9 | 6 | 4 | 4 | 1 | 1 | 0 |
| Rainy days | 29 | 25 | 29 | 30 | 28 | 21 | 25 | 27 | 26 | 30 | 29 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Kisiwani is at