Average annual temperature is 25.1 °C
Absolute maximum temperature: 36.9 °C
Absolute minimum temperature: 15.4 °C
Number of sunny days: 100 days
Number of rainy days: 265 days
Look at detailed online map of Grima
* Weather data for Grima 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) | 35.1 | 35.3 | 36.9 | 34.9 | 33.4 | 32.0 | 30.8 | 31.1 | 31.0 | 30.7 | 32.2 | 33.9 |
| Average daytime temperature (°C) | 32.9 | 33.7 | 32.7 | 32.2 | 30.8 | 28.7 | 28.8 | 28.2 | 28.7 | 29.1 | 29.6 | 31.7 |
| Average temperature (°C) | 25.3 | 27.1 | 26.4 | 26.5 | 25.7 | 24.3 | 24.1 | 23.9 | 24.2 | 24.5 | 24.9 | 24.8 |
| Average night temperature (°C) | 18.8 | 21.7 | 22.0 | 23.0 | 22.7 | 22.0 | 21.7 | 21.8 | 21.9 | 21.9 | 21.6 | 19.1 |
| Absolute minimum temperature (°C) | 15.4 | 19.7 | 19.5 | 21.4 | 21.6 | 21.2 | 20.5 | 20.8 | 21.1 | 21.4 | 20.0 | 16.0 |
| 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 | 8.7 | 8.8 | 7.7 | 6.6 | 7.2 | 5.7 | 7.4 | 8.2 | 8.7 | 10.2 |
| Precipitation (mm) | 27 | 2 | 81 | 198 | 303 | 269 | 332 | 463 | 302 | 320 | 135 | 1 |
| Sunny days | 26 | 25 | 12 | 4 | 1 | 0 | 0 | 1 | 0 | 0 | 6 | 25 |
| Rainy days | 5 | 3 | 19 | 26 | 30 | 30 | 31 | 30 | 30 | 31 | 24 | 6 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Grima is at