Average annual temperature is 25.9 °C
Absolute maximum temperature: 36.9 °C
Absolute minimum temperature: 17.7 °C
Number of sunny days: 86 days
Number of rainy days: 279 days
Look at detailed online map of Bandasirima
* Weather data for Bandasirima 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) | 36.5 | 36.9 | 36.9 | 35.3 | 35.7 | 32.9 | 32.7 | 31.9 | 31.5 | 33.0 | 33.4 | 35.5 |
| Average daytime temperature (°C) | 34.5 | 35.2 | 33.6 | 33.5 | 32.3 | 29.8 | 29.3 | 28.2 | 29.1 | 29.9 | 30.8 | 33.0 |
| Average temperature (°C) | 26.4 | 27.2 | 26.7 | 27.2 | 26.5 | 25.0 | 24.8 | 24.5 | 24.9 | 25.1 | 25.8 | 26.2 |
| Average night temperature (°C) | 21.3 | 22.2 | 22.6 | 23.6 | 23.7 | 22.8 | 22.7 | 22.6 | 22.7 | 22.8 | 23.0 | 21.8 |
| Absolute minimum temperature (°C) | 18.3 | 20.9 | 20.2 | 22.3 | 22.8 | 21.6 | 22.2 | 21.6 | 22.1 | 22.1 | 21.9 | 17.7 |
| 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 | 12.6 | 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) | 9.8 | 9.8 | 9.6 | 8.9 | 7.4 | 6.9 | 6.8 | 5.4 | 6.5 | 6.8 | 8.1 | 9.8 |
| Precipitation (mm) | 5 | 4 | 42 | 127 | 384 | 456 | 570 | 614 | 423 | 455 | 190 | 10 |
| Sunny days | 23 | 18 | 14 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 23 |
| Rainy days | 8 | 10 | 17 | 25 | 31 | 30 | 31 | 31 | 30 | 31 | 27 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Bandasirima is at