Average annual temperature is 25.7 °C
Absolute maximum temperature: 37.3 °C
Absolute minimum temperature: 15.9 °C
Number of sunny days: 89 days
Number of rainy days: 276 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) | 35.9 | 37.3 | 37.2 | 35.0 | 33.4 | 32.5 | 32.0 | 32.0 | 32.0 | 31.3 | 31.5 | 34.1 |
| Average daytime temperature (°C) | 33.6 | 35.4 | 33.9 | 33.1 | 31.6 | 29.6 | 29.4 | 28.8 | 29.3 | 29.5 | 30.0 | 31.8 |
| Average temperature (°C) | 26.0 | 28.0 | 27.1 | 26.9 | 26.2 | 24.8 | 24.5 | 24.3 | 24.6 | 24.9 | 25.4 | 25.5 |
| Average night temperature (°C) | 20.0 | 22.4 | 22.4 | 23.4 | 23.1 | 22.4 | 22.3 | 22.3 | 22.4 | 22.3 | 22.5 | 20.3 |
| Absolute minimum temperature (°C) | 16.9 | 20.9 | 20.2 | 22.3 | 22.0 | 21.3 | 20.7 | 20.9 | 21.6 | 21.6 | 21.2 | 15.9 |
| 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 | 12.5 | 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 | 9.8 | 8.7 | 8.7 | 7.6 | 7.5 | 7.1 | 5.7 | 7.3 | 7.6 | 8.6 | 10.0 |
| Precipitation (mm) | 15 | 2 | 89 | 196 | 308 | 301 | 381 | 490 | 370 | 364 | 153 | 1 |
| Sunny days | 24 | 24 | 11 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 25 |
| Rainy days | 7 | 4 | 20 | 28 | 31 | 30 | 31 | 31 | 30 | 31 | 27 | 6 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Grima is at