Average annual temperature is 25.7 °C
Absolute maximum temperature: 37.5 °C
Absolute minimum temperature: 14.8 °C
Number of sunny days: 140 days
Number of rainy days: 225 days
Look at detailed online map of Hereko
* Weather data for Hereko 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) | 36.1 | 37.4 | 37.5 | 36.8 | 34.4 | 32.8 | 32.8 | 33.4 | 32.0 | 33.0 | 33.9 | 35.1 |
| Average daytime temperature (°C) | 34.1 | 35.7 | 35.3 | 34.7 | 31.9 | 29.7 | 29.7 | 29.0 | 29.7 | 30.6 | 32.2 | 33.4 |
| Average temperature (°C) | 25.5 | 27.6 | 27.6 | 27.8 | 26.3 | 24.9 | 24.5 | 24.2 | 24.6 | 25.0 | 25.8 | 24.9 |
| Average night temperature (°C) | 18.2 | 20.6 | 21.6 | 22.9 | 22.9 | 22.3 | 21.8 | 21.7 | 21.7 | 21.8 | 21.5 | 17.9 |
| Absolute minimum temperature (°C) | 15.8 | 17.7 | 19.0 | 21.4 | 22.0 | 21.1 | 19.9 | 21.0 | 20.6 | 21.1 | 17.9 | 14.8 |
| 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 | 12.6 | 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) | 9.9 | 10.0 | 9.8 | 9.3 | 7.3 | 6.2 | 7.5 | 5.9 | 7.4 | 7.8 | 9.4 | 10.1 |
| Precipitation (mm) | 6 | 0 | 22 | 63 | 266 | 325 | 438 | 479 | 449 | 348 | 94 | 3 |
| Sunny days | 28 | 28 | 22 | 16 | 2 | 0 | 0 | 0 | 0 | 1 | 14 | 29 |
| Rainy days | 3 | 0 | 9 | 14 | 29 | 30 | 31 | 31 | 30 | 30 | 16 | 2 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Hereko is at