Average annual temperature is 26.5 °C
Absolute maximum temperature: 38.6 °C
Absolute minimum temperature: 17.3 °C
Number of sunny days: 112 days
Number of rainy days: 253 days
Look at detailed online map of Mayo
* Weather data for Mayo 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) | 37.7 | 38.3 | 38.6 | 37.3 | 36.1 | 33.5 | 33.3 | 33.4 | 33.0 | 32.8 | 33.5 | 36.1 |
| Average daytime temperature (°C) | 35.8 | 36.8 | 35.8 | 35.1 | 33.0 | 30.4 | 30.2 | 29.1 | 30.0 | 30.6 | 31.6 | 33.6 |
| Average temperature (°C) | 27.2 | 28.5 | 27.9 | 28.2 | 27.2 | 25.4 | 25.1 | 24.8 | 25.2 | 25.7 | 26.4 | 26.3 |
| Average night temperature (°C) | 21.0 | 22.8 | 23.2 | 24.0 | 24.1 | 23.2 | 22.7 | 22.7 | 22.7 | 23.0 | 23.1 | 21.2 |
| Absolute minimum temperature (°C) | 17.3 | 21.5 | 21.1 | 22.6 | 23.2 | 22.4 | 21.4 | 21.9 | 21.6 | 22.4 | 22.1 | 17.6 |
| 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 | 11.8 | 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) | 9.7 | 9.9 | 9.3 | 8.9 | 7.5 | 6.5 | 7.7 | 5.7 | 6.8 | 7.5 | 8.5 | 9.7 |
| Precipitation (mm) | 1 | 0 | 31 | 116 | 303 | 400 | 523 | 661 | 400 | 410 | 146 | 2 |
| Sunny days | 28 | 25 | 17 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 25 |
| Rainy days | 3 | 3 | 14 | 18 | 31 | 30 | 31 | 31 | 30 | 31 | 25 | 6 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mayo is at