Average annual temperature is 25.0 °C
Absolute maximum temperature: 37.4 °C
Absolute minimum temperature: 18.0 °C
Number of sunny days: 91 days
Number of rainy days: 274 days
Look at detailed online map of Koyama Bulima
* Weather data for Koyama Bulima 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) | 35.1 | 36.6 | 37.4 | 33.9 | 32.1 | 30.8 | 31.2 | 31.0 | 31.0 | 30.6 | 31.4 | 33.7 |
| Average daytime temperature (°C) | 33.5 | 34.8 | 33.2 | 31.9 | 30.5 | 28.6 | 28.5 | 27.6 | 28.5 | 28.8 | 29.4 | 31.5 |
| Average temperature (°C) | 26.0 | 27.4 | 26.4 | 26.0 | 25.3 | 24.0 | 23.7 | 23.5 | 23.8 | 24.3 | 24.7 | 25.3 |
| Average night temperature (°C) | 20.1 | 22.0 | 21.8 | 22.6 | 22.4 | 21.7 | 21.6 | 21.6 | 21.5 | 21.7 | 21.9 | 20.4 |
| Absolute minimum temperature (°C) | 18.0 | 20.8 | 20.0 | 21.7 | 21.8 | 20.9 | 20.6 | 20.8 | 20.6 | 20.6 | 21.0 | 18.6 |
| 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 | 11.9 | 12.1 | 12.3 | 12.5 | 12.6 | 12.5 | 12.4 | 12.2 | 11.9 | 11.7 | 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) | 9.8 | 9.9 | 8.8 | 8.6 | 7.6 | 7.5 | 7.1 | 5.4 | 6.9 | 8.1 | 8.3 | 10.1 |
| Precipitation (mm) | 14 | 0 | 83 | 181 | 322 | 307 | 351 | 494 | 359 | 336 | 127 | 9 |
| Sunny days | 24 | 23 | 13 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 25 |
| Rainy days | 7 | 5 | 18 | 27 | 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 Koyama Bulima is at