Average annual temperature is 25.4 °C
Absolute maximum temperature: 36.9 °C
Absolute minimum temperature: 15.4 °C
Number of sunny days: 78 days
Number of rainy days: 287 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) | 36.4 | 36.4 | 36.9 | 33.9 | 34.0 | 31.9 | 32.7 | 32.5 | 32.2 | 32.6 | 32.9 | 35.8 |
| Average daytime temperature (°C) | 34.2 | 34.5 | 32.6 | 32.2 | 31.5 | 29.7 | 29.6 | 29.0 | 29.6 | 29.9 | 30.5 | 32.5 |
| Average temperature (°C) | 25.6 | 27.5 | 26.4 | 26.4 | 26.0 | 24.8 | 24.5 | 24.3 | 24.6 | 24.9 | 25.3 | 25.1 |
| Average night temperature (°C) | 19.3 | 22.2 | 22.4 | 23.0 | 22.9 | 22.3 | 22.2 | 22.1 | 22.3 | 22.4 | 22.3 | 19.5 |
| Absolute minimum temperature (°C) | 15.5 | 20.3 | 20.0 | 21.6 | 22.0 | 21.2 | 21.1 | 20.7 | 21.3 | 21.5 | 20.8 | 15.4 |
| 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 | 11.8 | 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) | 9.7 | 9.5 | 8.4 | 8.3 | 7.4 | 6.9 | 7.0 | 5.7 | 6.8 | 7.8 | 8.0 | 9.8 |
| Precipitation (mm) | 17 | 10 | 58 | 152 | 322 | 299 | 433 | 478 | 364 | 348 | 165 | 2 |
| Sunny days | 22 | 21 | 10 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 21 |
| Rainy days | 9 | 7 | 21 | 28 | 31 | 30 | 31 | 31 | 30 | 31 | 28 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Grima is at