Average annual temperature is 26.1 °C
Absolute maximum temperature: 38.6 °C
Absolute minimum temperature: 15.3 °C
Number of sunny days: 97 days
Number of rainy days: 268 days
Look at detailed online map of Mayoni
* Weather data for Mayoni 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) | 37.4 | 37.7 | 38.6 | 36.1 | 34.8 | 33.7 | 32.7 | 32.4 | 32.5 | 32.5 | 32.7 | 36.3 |
| Average daytime temperature (°C) | 34.9 | 36.0 | 35.3 | 34.0 | 32.6 | 30.5 | 30.3 | 29.2 | 29.9 | 30.2 | 31.1 | 33.5 |
| Average temperature (°C) | 26.4 | 28.4 | 27.8 | 27.5 | 26.7 | 25.2 | 24.9 | 24.6 | 25.0 | 25.3 | 26.0 | 26.0 |
| Average night temperature (°C) | 19.8 | 22.4 | 22.7 | 23.5 | 23.5 | 22.8 | 22.5 | 22.5 | 22.6 | 22.8 | 23.0 | 20.2 |
| Absolute minimum temperature (°C) | 15.3 | 20.7 | 20.5 | 22.5 | 22.9 | 21.8 | 20.4 | 21.5 | 21.3 | 22.2 | 22.1 | 16.3 |
| 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 | 12.6 | 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) | 9.9 | 9.9 | 8.8 | 8.2 | 7.6 | 6.9 | 6.9 | 5.3 | 7.0 | 7.3 | 8.1 | 10.0 |
| Precipitation (mm) | 1 | 0 | 68 | 149 | 331 | 429 | 472 | 729 | 422 | 376 | 131 | 5 |
| Sunny days | 26 | 26 | 16 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 24 |
| Rainy days | 5 | 2 | 15 | 28 | 31 | 30 | 31 | 31 | 30 | 31 | 27 | 7 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mayoni is at