Average annual temperature is 25.5 °C
Absolute maximum temperature: 37.1 °C
Absolute minimum temperature: 15.8 °C
Number of sunny days: 81 days
Number of rainy days: 284 days
Look at detailed online map of Matteru
* Weather data for Matteru 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 | 37.0 | 37.1 | 34.8 | 33.9 | 32.8 | 32.3 | 32.6 | 32.4 | 31.4 | 31.5 | 34.0 |
| Average daytime temperature (°C) | 33.8 | 35.3 | 33.9 | 33.0 | 31.5 | 29.7 | 29.5 | 28.9 | 29.1 | 29.3 | 30.0 | 31.8 |
| Average temperature (°C) | 25.7 | 27.8 | 26.9 | 26.7 | 26.1 | 24.7 | 24.4 | 24.2 | 24.5 | 24.7 | 25.2 | 24.9 |
| Average night temperature (°C) | 20.1 | 22.4 | 22.4 | 23.4 | 23.2 | 22.4 | 22.1 | 22.2 | 22.3 | 22.2 | 22.3 | 19.9 |
| Absolute minimum temperature (°C) | 15.8 | 20.8 | 20.2 | 22.2 | 22.4 | 20.9 | 20.3 | 20.7 | 21.4 | 21.5 | 20.7 | 16.2 |
| 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 | 11.9 | 12.1 | 12.3 | 12.5 | 12.6 | 12.5 | 12.4 | 12.2 | 11.9 | 11.8 | 11.7 |
| 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) | 9.6 | 9.8 | 8.6 | 8.6 | 7.5 | 7.5 | 6.8 | 5.8 | 7.2 | 7.5 | 8.3 | 10.0 |
| Precipitation (mm) | 12 | 1 | 85 | 156 | 330 | 226 | 344 | 420 | 372 | 343 | 162 | 2 |
| Sunny days | 22 | 23 | 11 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 22 |
| Rainy days | 9 | 5 | 20 | 29 | 31 | 30 | 31 | 31 | 30 | 31 | 28 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Matteru is at