Average annual temperature is 25.8 °C
Absolute maximum temperature: 37.6 °C
Absolute minimum temperature: 16.7 °C
Number of sunny days: 98 days
Number of rainy days: 267 days
Look at detailed online map of Sandama
* Weather data for Sandama Sierra Leone is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 35.8 | 36.6 | 37.6 | 35.1 | 33.2 | 32.6 | 31.6 | 31.7 | 31.6 | 30.7 | 31.6 | 34.0 |
| Average daytime temperature (°C) | 33.6 | 34.9 | 33.6 | 32.8 | 31.3 | 29.4 | 29.3 | 28.7 | 29.1 | 29.4 | 30.0 | 31.8 |
| Average temperature (°C) | 26.1 | 28.1 | 27.2 | 27.1 | 26.3 | 24.9 | 24.7 | 24.5 | 24.7 | 25.0 | 25.4 | 25.3 |
| Average night temperature (°C) | 19.6 | 22.5 | 22.6 | 23.5 | 23.4 | 22.6 | 22.5 | 22.5 | 22.4 | 22.5 | 22.3 | 19.7 |
| Absolute minimum temperature (°C) | 17.1 | 21.0 | 20.5 | 22.2 | 22.3 | 21.8 | 21.1 | 21.5 | 21.6 | 21.8 | 20.6 | 16.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.6 | 12.5 | 12.4 | 12.2 | 11.9 | 11.7 | 11.7 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 9.8 | 10.0 | 8.7 | 8.6 | 7.6 | 7.0 | 7.2 | 5.6 | 6.8 | 8.0 | 8.6 | 10.2 |
| Precipitation (mm) | 12 | 0 | 86 | 186 | 268 | 278 | 380 | 478 | 376 | 326 | 148 | 1 |
| Sunny days | 25 | 27 | 13 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 4 | 25 |
| Rainy days | 6 | 1 | 18 | 27 | 30 | 30 | 31 | 31 | 30 | 31 | 26 | 6 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sandama is at