Average annual temperature is 24.1 °C
Absolute maximum temperature: 33.6 °C
Absolute minimum temperature: 15.7 °C
Number of sunny days: 21 days
Number of rainy days: 344 days
Look at detailed online map of Ollou
* Weather data for Ollou Republic of the Congo is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 30.8 | 32.6 | 33.6 | 31.2 | 31.2 | 30.1 | 30.3 | 30.7 | 30.6 | 31.1 | 30.5 | 32.0 |
| Average daytime temperature (°C) | 28.7 | 30.5 | 29.7 | 29.0 | 29.4 | 28.3 | 28.8 | 28.9 | 28.7 | 28.6 | 28.3 | 29.3 |
| Average temperature (°C) | 23.8 | 24.5 | 24.3 | 24.0 | 24.5 | 23.9 | 24.1 | 24.0 | 24.0 | 23.9 | 23.6 | 24.3 |
| Average night temperature (°C) | 20.3 | 20.6 | 20.6 | 20.8 | 21.1 | 20.7 | 20.4 | 20.4 | 20.9 | 21.1 | 20.8 | 20.9 |
| Absolute minimum temperature (°C) | 15.7 | 18.8 | 19.3 | 19.5 | 19.7 | 19.6 | 19.3 | 18.1 | 20.2 | 20.0 | 19.9 | 19.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.2 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.2 | 12.2 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 8.9 | 9.5 | 8.1 | 8.1 | 9.3 | 9.0 | 10.2 | 9.1 | 8.8 | 7.7 | 7.4 | 8.0 |
| Precipitation (mm) | 108 | 113 | 245 | 247 | 173 | 106 | 77 | 106 | 168 | 299 | 297 | 228 |
| Sunny days | 6 | 5 | 1 | 1 | 1 | 1 | 2 | 2 | 0 | 0 | 0 | 2 |
| Rainy days | 25 | 23 | 30 | 29 | 30 | 29 | 29 | 29 | 30 | 31 | 30 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ollou is at