Average annual temperature is 26.3 °C
Absolute maximum temperature: 35.1 °C
Absolute minimum temperature: 19.6 °C
Number of sunny days: 106 days
Number of rainy days: 259 days
Look at detailed online map of Mantmatui
* Weather data for Mantmatui 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) | 35.1 | 32.9 | 33.2 | 34.1 | 34.4 | 31.3 | 31.6 | 30.4 | 31.1 | 31.7 | 32.8 | 35.1 |
| Average daytime temperature (°C) | 32.1 | 31.8 | 31.3 | 31.9 | 31.0 | 29.0 | 28.7 | 28.0 | 28.9 | 29.6 | 30.4 | 32.8 |
| Average temperature (°C) | 26.5 | 27.1 | 27.0 | 27.8 | 27.3 | 25.7 | 25.2 | 25.0 | 25.4 | 25.6 | 26.4 | 27.0 |
| Average night temperature (°C) | 22.6 | 23.8 | 23.9 | 24.9 | 24.9 | 23.9 | 23.3 | 23.2 | 23.3 | 23.3 | 23.7 | 22.9 |
| Absolute minimum temperature (°C) | 20.3 | 22.6 | 22.1 | 23.9 | 23.8 | 22.8 | 22.7 | 22.6 | 22.4 | 22.3 | 22.8 | 19.6 |
| 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 | 11.9 | 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 | 10.0 | 9.7 | 9.1 | 8.0 | 6.8 | 7.0 | 5.6 | 6.8 | 6.7 | 8.3 | 9.8 |
| Precipitation (mm) | 2 | 0 | 17 | 75 | 351 | 396 | 564 | 496 | 368 | 442 | 167 | 9 |
| Sunny days | 27 | 28 | 19 | 7 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 21 |
| Rainy days | 4 | 0 | 12 | 23 | 30 | 30 | 31 | 31 | 30 | 31 | 27 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mantmatui is at