Average annual temperature is 25.9 °C
Absolute maximum temperature: 38.5 °C
Absolute minimum temperature: 17.1 °C
Number of sunny days: 86 days
Number of rainy days: 279 days
Look at detailed online map of Guandoma
* Weather data for Guandoma 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) | 37.1 | 37.8 | 38.5 | 35.5 | 34.3 | 32.9 | 32.8 | 32.7 | 32.4 | 31.5 | 32.6 | 35.2 |
| Average daytime temperature (°C) | 35.4 | 36.5 | 34.7 | 33.3 | 31.9 | 30.0 | 29.5 | 28.8 | 29.5 | 29.7 | 30.5 | 33.1 |
| Average temperature (°C) | 26.8 | 28.5 | 27.4 | 26.9 | 26.3 | 25.0 | 24.7 | 24.4 | 24.8 | 25.1 | 25.7 | 26.0 |
| Average night temperature (°C) | 20.5 | 22.7 | 22.7 | 23.4 | 23.4 | 22.6 | 22.4 | 22.5 | 22.5 | 22.7 | 22.8 | 20.7 |
| Absolute minimum temperature (°C) | 17.6 | 21.3 | 20.9 | 22.1 | 22.3 | 21.5 | 21.1 | 21.4 | 21.5 | 21.5 | 21.9 | 17.1 |
| 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 | 11.8 | 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) | 9.8 | 9.8 | 8.4 | 8.3 | 7.7 | 7.1 | 6.9 | 5.6 | 6.8 | 7.7 | 8.1 | 9.9 |
| Precipitation (mm) | 9 | 1 | 89 | 196 | 308 | 325 | 408 | 599 | 438 | 396 | 164 | 10 |
| Sunny days | 23 | 21 | 11 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 24 |
| Rainy days | 8 | 7 | 20 | 27 | 31 | 30 | 31 | 31 | 30 | 31 | 26 | 7 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Guandoma is at