Average annual temperature is 24.9 °C
Absolute maximum temperature: 36.7 °C
Absolute minimum temperature: 17.1 °C
Number of sunny days: 101 days
Number of rainy days: 264 days
Look at detailed online map of Waterloo
* Weather data for Waterloo 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) | 35.3 | 35.0 | 36.7 | 33.5 | 32.1 | 31.4 | 30.7 | 30.6 | 30.5 | 30.6 | 31.5 | 33.2 |
| Average daytime temperature (°C) | 32.9 | 33.6 | 32.7 | 31.7 | 30.2 | 28.3 | 28.3 | 27.7 | 28.3 | 28.7 | 29.4 | 31.0 |
| Average temperature (°C) | 25.7 | 26.9 | 26.2 | 26.0 | 25.2 | 24.0 | 23.8 | 23.6 | 23.8 | 24.2 | 24.7 | 24.9 |
| Average night temperature (°C) | 19.5 | 21.2 | 21.5 | 22.5 | 22.3 | 21.8 | 21.5 | 21.6 | 21.5 | 21.6 | 21.6 | 19.7 |
| Absolute minimum temperature (°C) | 17.3 | 19.8 | 19.5 | 21.2 | 21.3 | 21.0 | 20.3 | 20.5 | 20.4 | 21.1 | 20.5 | 17.1 |
| 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) | 9.9 | 10.0 | 9.1 | 8.6 | 7.6 | 6.5 | 7.1 | 5.6 | 7.2 | 8.4 | 8.9 | 10.4 |
| Precipitation (mm) | 9 | 1 | 65 | 184 | 304 | 282 | 397 | 474 | 382 | 321 | 133 | 3 |
| Sunny days | 26 | 26 | 13 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 5 | 28 |
| Rainy days | 5 | 2 | 18 | 28 | 30 | 30 | 31 | 31 | 30 | 31 | 25 | 3 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Waterloo during the most sunny months:
The largest precipitation sum in Waterloo is at