Average annual temperature is 25.4 °C
Absolute maximum temperature: 38.5 °C
Absolute minimum temperature: 16.8 °C
Number of sunny days: 93 days
Number of rainy days: 272 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) | 36.1 | 36.8 | 38.5 | 34.7 | 33.0 | 31.2 | 31.6 | 31.6 | 31.6 | 31.5 | 32.3 | 34.3 |
| Average daytime temperature (°C) | 34.1 | 35.1 | 34.0 | 32.5 | 31.1 | 29.2 | 29.0 | 28.2 | 29.1 | 29.3 | 29.9 | 32.0 |
| Average temperature (°C) | 26.0 | 27.8 | 26.9 | 26.5 | 25.8 | 24.5 | 24.3 | 24.0 | 24.3 | 24.7 | 25.1 | 25.1 |
| Average night temperature (°C) | 19.4 | 22.1 | 22.2 | 23.1 | 22.8 | 22.1 | 22.0 | 22.1 | 22.0 | 22.1 | 22.2 | 19.6 |
| Absolute minimum temperature (°C) | 16.8 | 20.9 | 19.9 | 22.1 | 22.3 | 21.0 | 20.7 | 21.4 | 21.0 | 21.1 | 21.1 | 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 | 8.9 | 8.7 | 7.5 | 7.3 | 6.9 | 5.4 | 6.8 | 7.8 | 8.0 | 10.0 |
| Precipitation (mm) | 11 | 0 | 87 | 169 | 313 | 318 | 392 | 535 | 357 | 401 | 121 | 11 |
| Sunny days | 26 | 24 | 13 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 24 |
| Rainy days | 5 | 4 | 18 | 27 | 31 | 30 | 31 | 31 | 30 | 31 | 27 | 7 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Grima is at