Average annual temperature is 25.6 °C
Absolute maximum temperature: 37.6 °C
Absolute minimum temperature: 15.6 °C
Number of sunny days: 120 days
Number of rainy days: 245 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) | 36.1 | 36.8 | 37.6 | 35.6 | 35.3 | 32.5 | 32.6 | 32.6 | 32.3 | 32.8 | 33.4 | 35.5 |
| Average daytime temperature (°C) | 34.4 | 35.3 | 34.4 | 33.4 | 31.7 | 29.4 | 29.5 | 28.6 | 29.6 | 30.5 | 31.5 | 33.4 |
| Average temperature (°C) | 26.3 | 27.6 | 27.1 | 27.0 | 26.1 | 24.6 | 24.2 | 23.9 | 24.4 | 25.0 | 25.7 | 25.5 |
| Average night temperature (°C) | 19.4 | 21.6 | 21.9 | 22.9 | 23.0 | 22.3 | 21.9 | 21.9 | 21.9 | 22.1 | 22.2 | 19.3 |
| Absolute minimum temperature (°C) | 16.6 | 20.5 | 20.2 | 21.9 | 22.1 | 21.5 | 20.6 | 20.8 | 21.0 | 21.3 | 19.9 | 15.6 |
| 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) | 11.6 | 11.8 | 12.1 | 12.3 | 12.5 | 12.7 | 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) | 9.7 | 10.0 | 9.5 | 8.7 | 7.2 | 6.5 | 7.1 | 5.8 | 7.1 | 7.8 | 8.9 | 10.2 |
| Precipitation (mm) | 6 | 0 | 32 | 112 | 281 | 267 | 375 | 440 | 335 | 302 | 114 | 6 |
| Sunny days | 27 | 26 | 19 | 11 | 1 | 0 | 0 | 0 | 0 | 0 | 8 | 28 |
| Rainy days | 4 | 2 | 12 | 19 | 30 | 30 | 31 | 31 | 30 | 31 | 22 | 3 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Basia is at