Average annual temperature is 26.2 °C
Absolute maximum temperature: 37.3 °C
Absolute minimum temperature: 18.5 °C
Number of sunny days: 107 days
Number of rainy days: 258 days
Look at detailed online map of Royil
* Weather data for Royil 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) | 37.3 | 36.4 | 37.1 | 36.5 | 34.9 | 32.7 | 32.1 | 32.8 | 32.1 | 32.3 | 33.6 | 35.6 |
| Average daytime temperature (°C) | 35.2 | 34.5 | 33.8 | 33.9 | 32.2 | 29.8 | 29.3 | 28.5 | 29.6 | 30.3 | 31.3 | 33.4 |
| Average temperature (°C) | 26.7 | 27.2 | 27.2 | 27.7 | 27.1 | 25.3 | 25.0 | 24.8 | 25.2 | 25.5 | 26.4 | 26.5 |
| Average night temperature (°C) | 21.4 | 22.6 | 23.2 | 24.1 | 24.4 | 23.2 | 22.7 | 22.6 | 22.9 | 22.9 | 23.2 | 21.8 |
| Absolute minimum temperature (°C) | 18.5 | 21.5 | 21.4 | 22.4 | 23.2 | 22.2 | 21.8 | 21.8 | 22.1 | 22.1 | 22.0 | 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 | 11.8 | 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) | 9.8 | 9.9 | 9.6 | 9.1 | 7.5 | 6.3 | 7.2 | 5.6 | 6.3 | 7.4 | 8.7 | 9.8 |
| Precipitation (mm) | 1 | 0 | 11 | 62 | 290 | 399 | 452 | 702 | 477 | 404 | 123 | 4 |
| Sunny days | 26 | 25 | 19 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 23 |
| Rainy days | 5 | 3 | 12 | 22 | 31 | 30 | 31 | 31 | 30 | 31 | 24 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Royil is at