Average annual temperature is 25.0 °C
Absolute maximum temperature: 36.9 °C
Absolute minimum temperature: 16.1 °C
Number of sunny days: 99 days
Number of rainy days: 266 days
Look at detailed online map of Sandaima
* Weather data for Sandaima 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) | 34.8 | 35.6 | 36.9 | 34.0 | 33.1 | 31.7 | 31.0 | 30.8 | 31.1 | 30.8 | 31.5 | 33.6 |
| Average daytime temperature (°C) | 32.8 | 33.8 | 32.4 | 31.9 | 30.5 | 28.5 | 28.5 | 27.9 | 28.5 | 29.0 | 29.4 | 31.4 |
| Average temperature (°C) | 25.5 | 27.1 | 26.2 | 26.2 | 25.5 | 24.1 | 23.9 | 23.7 | 24.0 | 24.5 | 24.8 | 25.0 |
| Average night temperature (°C) | 19.2 | 21.6 | 21.8 | 22.8 | 22.6 | 21.9 | 21.6 | 21.7 | 21.7 | 21.8 | 21.7 | 19.6 |
| Absolute minimum temperature (°C) | 16.1 | 19.5 | 19.3 | 21.6 | 21.5 | 21.1 | 20.7 | 20.8 | 20.9 | 21.2 | 19.8 | 16.9 |
| 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 | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.6 |
| 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) | 9.9 | 9.9 | 8.8 | 8.7 | 7.7 | 6.4 | 7.1 | 5.7 | 7.4 | 8.3 | 8.7 | 10.3 |
| Precipitation (mm) | 29 | 3 | 73 | 229 | 330 | 311 | 324 | 548 | 283 | 345 | 141 | 4 |
| Sunny days | 26 | 24 | 14 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 4 | 26 |
| Rainy days | 5 | 4 | 17 | 26 | 30 | 30 | 31 | 31 | 30 | 31 | 26 | 5 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Sandaima during the most sunny months:
The largest precipitation sum in Sandaima is at