Average annual temperature is 24.2 °C
Absolute maximum temperature: 33.6 °C
Absolute minimum temperature: 17.6 °C
Number of sunny days: 55 days
Number of rainy days: 310 days
Look at detailed online map of Osiba
* Weather data for Osiba 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) | 32.0 | 33.2 | 32.1 | 32.6 | 32.0 | 30.0 | 30.8 | 32.0 | 33.6 | 32.4 | 31.3 | 32.6 |
| Average daytime temperature (°C) | 28.7 | 30.2 | 29.9 | 30.1 | 30.0 | 27.9 | 27.8 | 28.2 | 29.5 | 30.4 | 29.2 | 29.2 |
| Average temperature (°C) | 23.7 | 24.6 | 24.7 | 24.8 | 25.0 | 23.6 | 22.8 | 23.4 | 24.5 | 24.9 | 24.3 | 24.4 |
| Average night temperature (°C) | 20.9 | 21.5 | 21.7 | 21.9 | 22.2 | 20.4 | 18.8 | 19.3 | 20.9 | 21.9 | 21.8 | 21.7 |
| Absolute minimum temperature (°C) | 19.8 | 18.8 | 20.8 | 21.2 | 21.1 | 17.6 | 17.6 | 17.6 | 19.0 | 20.7 | 20.9 | 19.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.3 | 12.2 | 12.1 | 12.0 | 11.9 | 11.9 | 11.9 | 12.0 | 12.1 | 12.2 | 12.3 | 12.3 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 7.1 | 7.8 | 8.1 | 8.0 | 7.0 | 6.1 | 6.6 | 5.4 | 5.6 | 6.5 | 6.6 | 6.8 |
| Precipitation (mm) | 356 | 183 | 233 | 279 | 153 | 22 | 6 | 3 | 47 | 262 | 371 | 558 |
| Sunny days | 0 | 1 | 0 | 1 | 0 | 6 | 19 | 21 | 7 | 0 | 0 | 0 |
| Rainy days | 31 | 27 | 31 | 29 | 31 | 24 | 12 | 10 | 23 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Osiba is at