Average annual temperature is 26.3 °C
Absolute maximum temperature: 39.2 °C
Absolute minimum temperature: 17.6 °C
Number of sunny days: 93 days
Number of rainy days: 272 days
Look at detailed online map of Mamy Nancy
* Weather data for Mamy Nancy 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) | 37.8 | 39.2 | 39.0 | 37.4 | 36.3 | 32.6 | 32.6 | 32.5 | 31.7 | 32.8 | 33.6 | 35.8 |
| Average daytime temperature (°C) | 35.9 | 36.7 | 34.9 | 34.5 | 32.6 | 30.0 | 29.4 | 28.5 | 29.5 | 30.1 | 31.0 | 33.3 |
| Average temperature (°C) | 27.3 | 28.2 | 27.5 | 27.8 | 26.9 | 25.2 | 24.9 | 24.7 | 25.0 | 25.3 | 26.2 | 26.5 |
| Average night temperature (°C) | 21.4 | 22.9 | 23.1 | 23.8 | 23.9 | 22.9 | 22.7 | 22.7 | 22.8 | 22.9 | 23.1 | 21.8 |
| Absolute minimum temperature (°C) | 17.6 | 21.4 | 21.2 | 22.5 | 23.1 | 21.7 | 21.6 | 21.8 | 21.8 | 22.3 | 22.2 | 18.0 |
| 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) | 9.8 | 9.8 | 9.5 | 8.8 | 7.8 | 6.8 | 7.4 | 5.8 | 6.8 | 6.7 | 8.2 | 9.9 |
| Precipitation (mm) | 3 | 3 | 31 | 122 | 324 | 438 | 445 | 542 | 453 | 396 | 133 | 2 |
| Sunny days | 27 | 20 | 15 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 25 |
| Rainy days | 4 | 8 | 16 | 27 | 31 | 30 | 31 | 31 | 30 | 31 | 27 | 6 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mamy Nancy is at