Average annual temperature is 26.3 °C
Absolute maximum temperature: 38.8 °C
Absolute minimum temperature: 17.6 °C
Number of sunny days: 115 days
Number of rainy days: 250 days
Look at detailed online map of Basia
* Weather data for Basia 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) | 37.9 | 38.4 | 38.8 | 37.7 | 36.9 | 33.0 | 33.1 | 33.5 | 32.8 | 33.1 | 33.3 | 35.9 |
| Average daytime temperature (°C) | 36.1 | 36.7 | 35.6 | 35.2 | 33.0 | 30.2 | 30.1 | 28.9 | 29.9 | 30.6 | 31.7 | 33.7 |
| Average temperature (°C) | 27.0 | 28.1 | 27.6 | 28.0 | 27.1 | 25.2 | 24.9 | 24.6 | 25.0 | 25.4 | 26.2 | 26.1 |
| Average night temperature (°C) | 20.7 | 22.3 | 22.8 | 23.6 | 24.1 | 23.0 | 22.5 | 22.5 | 22.6 | 22.8 | 22.8 | 20.9 |
| Absolute minimum temperature (°C) | 17.9 | 21.0 | 20.8 | 22.3 | 22.8 | 22.2 | 20.9 | 21.8 | 21.6 | 21.8 | 21.9 | 17.6 |
| 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 | 11.8 | 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 | 10.0 | 9.5 | 9.1 | 7.6 | 6.7 | 7.7 | 6.0 | 6.6 | 7.5 | 8.5 | 9.9 |
| Precipitation (mm) | 0 | 0 | 24 | 88 | 274 | 387 | 498 | 652 | 480 | 423 | 109 | 3 |
| Sunny days | 28 | 26 | 19 | 8 | 1 | 0 | 0 | 0 | 0 | 0 | 7 | 26 |
| Rainy days | 3 | 2 | 12 | 22 | 30 | 30 | 31 | 31 | 30 | 31 | 23 | 5 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Basia is at