Average annual temperature is 26.5 °C
Absolute maximum temperature: 36.5 °C
Absolute minimum temperature: 19.8 °C
Number of sunny days: 107 days
Number of rainy days: 258 days
Look at detailed online map of Heremankono
* Weather data for Heremankono 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) | 36.5 | 32.7 | 31.4 | 32.2 | 33.5 | 31.0 | 29.8 | 28.9 | 30.1 | 31.2 | 31.3 | 33.9 |
| Average daytime temperature (°C) | 31.6 | 31.2 | 30.5 | 30.8 | 30.6 | 28.8 | 28.3 | 27.6 | 28.6 | 29.5 | 30.0 | 31.6 |
| Average temperature (°C) | 26.8 | 27.4 | 27.1 | 27.8 | 27.4 | 25.9 | 25.5 | 25.3 | 25.6 | 25.9 | 26.7 | 27.0 |
| Average night temperature (°C) | 23.2 | 24.3 | 24.7 | 25.5 | 25.0 | 23.9 | 23.6 | 23.7 | 23.5 | 23.5 | 24.0 | 23.3 |
| Absolute minimum temperature (°C) | 20.4 | 23.1 | 22.9 | 24.1 | 23.4 | 22.9 | 22.5 | 22.3 | 22.5 | 22.6 | 22.7 | 19.8 |
| 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) | 11.7 | 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) | 10.0 | 10.0 | 9.9 | 9.6 | 8.6 | 7.6 | 8.1 | 6.6 | 7.6 | 8.4 | 9.2 | 9.9 |
| Precipitation (mm) | 0 | 1 | 6 | 56 | 316 | 467 | 588 | 665 | 454 | 439 | 164 | 12 |
| Sunny days | 27 | 25 | 21 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 18 |
| Rainy days | 4 | 3 | 10 | 17 | 31 | 30 | 31 | 31 | 30 | 31 | 27 | 13 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Heremankono is at