Average annual temperature is 25.9 °C
Absolute maximum temperature: 37.9 °C
Absolute minimum temperature: 17.6 °C
Number of sunny days: 125 days
Number of rainy days: 240 days
Look at detailed online map of Yisaia
* Weather data for Yisaia 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) | 35.7 | 37.1 | 37.9 | 35.9 | 34.2 | 31.8 | 31.5 | 31.7 | 31.8 | 32.1 | 33.8 | 35.7 |
| Average daytime temperature (°C) | 34.2 | 35.6 | 34.6 | 33.4 | 31.2 | 29.2 | 29.4 | 28.7 | 29.2 | 30.1 | 31.1 | 33.1 |
| Average temperature (°C) | 26.6 | 28.3 | 27.7 | 27.2 | 26.2 | 24.9 | 24.6 | 24.3 | 24.7 | 25.2 | 25.8 | 25.7 |
| Average night temperature (°C) | 19.9 | 22.0 | 22.2 | 23.2 | 23.3 | 22.6 | 22.2 | 22.2 | 22.3 | 22.4 | 22.4 | 19.9 |
| Absolute minimum temperature (°C) | 17.9 | 20.2 | 20.4 | 22.0 | 22.2 | 21.6 | 21.1 | 21.0 | 21.4 | 21.7 | 20.7 | 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) | 11.6 | 11.8 | 12.1 | 12.3 | 12.5 | 12.7 | 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 | 10.0 | 9.6 | 8.9 | 7.3 | 6.4 | 7.2 | 5.8 | 7.3 | 8.0 | 8.9 | 10.1 |
| Precipitation (mm) | 13 | 1 | 24 | 111 | 308 | 310 | 331 | 442 | 342 | 363 | 136 | 5 |
| Sunny days | 28 | 25 | 20 | 11 | 1 | 0 | 0 | 0 | 0 | 0 | 11 | 29 |
| Rainy days | 3 | 3 | 11 | 19 | 30 | 30 | 31 | 31 | 30 | 31 | 19 | 2 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Yisaia is at