Average annual temperature is 25.8 °C
Absolute maximum temperature: 36.5 °C
Absolute minimum temperature: 18.2 °C
Number of sunny days: 60 days
Number of rainy days: 305 days
Look at detailed online map of Sim
* Weather data for Sim 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) | 35.2 | 36.5 | 36.5 | 34.5 | 34.0 | 31.9 | 33.0 | 32.5 | 32.6 | 32.2 | 33.0 | 34.5 |
| Average daytime temperature (°C) | 34.0 | 34.8 | 33.8 | 32.5 | 31.4 | 29.2 | 28.7 | 28.5 | 28.9 | 29.7 | 30.6 | 32.7 |
| Average temperature (°C) | 26.6 | 27.3 | 27.0 | 26.8 | 26.4 | 25.1 | 24.7 | 24.6 | 24.8 | 25.1 | 25.7 | 26.1 |
| Average night temperature (°C) | 22.1 | 23.1 | 23.2 | 23.8 | 23.7 | 22.9 | 22.6 | 22.6 | 22.6 | 22.7 | 23.0 | 21.7 |
| Absolute minimum temperature (°C) | 20.0 | 21.6 | 21.6 | 22.8 | 22.8 | 21.8 | 22.1 | 21.4 | 21.8 | 22.0 | 22.0 | 18.2 |
| 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 | 12.0 | 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) | 9.6 | 9.7 | 8.6 | 8.1 | 7.4 | 6.8 | 6.3 | 5.7 | 6.8 | 6.5 | 8.2 | 9.9 |
| Precipitation (mm) | 7 | 19 | 61 | 193 | 303 | 382 | 596 | 681 | 433 | 405 | 175 | 21 |
| Sunny days | 22 | 9 | 7 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 19 |
| Rainy days | 9 | 19 | 24 | 30 | 30 | 30 | 31 | 31 | 30 | 31 | 28 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Sim during the most sunny months:
The largest precipitation sum in Sim is at