Average annual temperature is 13.5 °C
Absolute maximum temperature: 25.8 °C
Absolute minimum temperature: 2.4 °C
Number of sunny days: 103 days
Number of rainy days: 262 days
Look at detailed online map of Isome
* Weather data for Isome 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) | 20.7 | 22.6 | 20.6 | 20.3 | 20.6 | 19.2 | 18.9 | 21.8 | 23.2 | 25.8 | 24.1 | 22.8 |
| Average daytime temperature (°C) | 19.0 | 19.6 | 19.1 | 18.7 | 18.4 | 17.8 | 16.7 | 18.2 | 21.0 | 22.8 | 21.0 | 20.5 |
| Average temperature (°C) | 14.0 | 14.5 | 14.3 | 13.8 | 12.7 | 11.5 | 10.1 | 11.4 | 13.7 | 15.7 | 15.1 | 15.1 |
| Average night temperature (°C) | 10.3 | 10.8 | 11.1 | 10.6 | 8.7 | 6.9 | 4.9 | 6.4 | 8.0 | 10.2 | 11.0 | 11.5 |
| Absolute minimum temperature (°C) | 8.9 | 9.1 | 9.0 | 7.8 | 5.3 | 3.7 | 2.4 | 2.9 | 5.7 | 8.1 | 8.6 | 10.3 |
| 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) | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.6 | 11.6 | 11.8 | 12.1 | 12.3 | 12.5 | 12.7 |
| 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) | 9.0 | 9.2 | 8.0 | 8.8 | 9.9 | 10.3 | 10.4 | 10.0 | 10.8 | 11.0 | 9.6 | 8.6 |
| Precipitation (mm) | 192 | 172 | 222 | 170 | 37 | 5 | 2 | 13 | 4 | 17 | 137 | 267 |
| Sunny days | 2 | 0 | 0 | 3 | 7 | 19 | 24 | 12 | 19 | 12 | 3 | 2 |
| Rainy days | 29 | 28 | 31 | 27 | 24 | 11 | 7 | 19 | 11 | 19 | 27 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Isome is at