Average annual temperature is 26.0 °C
Absolute maximum temperature: 39.7 °C
Absolute minimum temperature: 15.7 °C
Number of sunny days: 97 days
Number of rainy days: 268 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) | 37.4 | 38.4 | 39.7 | 35.0 | 34.4 | 33.7 | 32.6 | 32.6 | 32.2 | 31.8 | 33.2 | 35.8 |
| Average daytime temperature (°C) | 35.6 | 36.4 | 34.9 | 33.4 | 32.2 | 29.9 | 29.9 | 28.7 | 29.5 | 29.8 | 30.5 | 33.2 |
| Average temperature (°C) | 26.9 | 28.6 | 27.5 | 27.0 | 26.5 | 25.0 | 24.7 | 24.5 | 24.8 | 25.2 | 25.7 | 25.9 |
| Average night temperature (°C) | 20.2 | 22.6 | 22.7 | 23.5 | 23.5 | 22.7 | 22.5 | 22.5 | 22.5 | 22.7 | 22.8 | 20.2 |
| Absolute minimum temperature (°C) | 15.7 | 21.3 | 20.7 | 22.7 | 22.7 | 21.4 | 21.5 | 21.6 | 21.5 | 22.0 | 21.6 | 16.7 |
| 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) | 10.0 | 9.9 | 8.8 | 8.5 | 7.7 | 6.9 | 6.7 | 5.1 | 6.4 | 7.5 | 8.4 | 10.1 |
| Precipitation (mm) | 4 | 3 | 74 | 150 | 281 | 338 | 430 | 591 | 402 | 418 | 149 | 6 |
| Sunny days | 25 | 25 | 14 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 25 |
| Rainy days | 6 | 3 | 17 | 26 | 31 | 30 | 31 | 31 | 30 | 31 | 26 | 6 |
| 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