Average annual temperature is 25.4 °C
Absolute maximum temperature: 37.6 °C
Absolute minimum temperature: 17.5 °C
Number of sunny days: 63 days
Number of rainy days: 302 days
Look at detailed online map of Gnanyahun
* Weather data for Gnanyahun 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) | 35.9 | 36.4 | 37.6 | 34.6 | 33.8 | 31.5 | 32.0 | 32.3 | 32.7 | 32.5 | 31.9 | 35.2 |
| Average daytime temperature (°C) | 33.8 | 34.8 | 34.0 | 32.6 | 31.1 | 29.3 | 29.0 | 28.7 | 29.2 | 29.7 | 30.2 | 32.4 |
| Average temperature (°C) | 26.0 | 27.3 | 26.7 | 26.3 | 25.8 | 24.6 | 24.3 | 24.2 | 24.5 | 24.8 | 25.2 | 25.6 |
| Average night temperature (°C) | 21.0 | 22.8 | 22.7 | 23.2 | 23.1 | 22.3 | 22.1 | 22.2 | 22.2 | 22.4 | 22.6 | 21.3 |
| Absolute minimum temperature (°C) | 17.5 | 21.2 | 21.4 | 22.1 | 22.1 | 21.4 | 20.7 | 20.8 | 21.4 | 21.5 | 21.5 | 18.3 |
| 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 | 12.0 | 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) | 9.3 | 9.5 | 8.1 | 7.7 | 7.0 | 6.7 | 6.8 | 5.0 | 6.3 | 6.4 | 7.8 | 9.5 |
| Precipitation (mm) | 10 | 15 | 109 | 200 | 371 | 316 | 412 | 443 | 386 | 359 | 142 | 8 |
| Sunny days | 22 | 15 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 20 |
| Rainy days | 9 | 13 | 26 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 29 | 11 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Gnanyahun during the most sunny months:
The largest precipitation sum in Gnanyahun is at