Average annual temperature is 25.1 °C
Absolute maximum temperature: 35.4 °C
Absolute minimum temperature: 18.0 °C
Number of sunny days: 44 days
Number of rainy days: 321 days
Look at detailed online map of Osio
* Weather data for Osio 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) | 32.6 | 35.4 | 34.2 | 32.8 | 33.7 | 32.6 | 33.2 | 33.6 | 33.1 | 33.0 | 32.2 | 33.6 |
| Average daytime temperature (°C) | 30.1 | 32.4 | 31.3 | 30.6 | 31.5 | 30.7 | 32.0 | 31.5 | 30.7 | 30.5 | 29.7 | 30.8 |
| Average temperature (°C) | 24.4 | 25.7 | 25.0 | 25.0 | 25.5 | 24.9 | 25.7 | 25.5 | 25.1 | 25.0 | 24.5 | 25.1 |
| Average night temperature (°C) | 20.6 | 21.0 | 21.2 | 21.4 | 21.7 | 21.1 | 20.7 | 21.3 | 21.4 | 21.8 | 21.5 | 21.8 |
| Absolute minimum temperature (°C) | 18.3 | 18.0 | 19.5 | 19.8 | 20.5 | 19.5 | 19.1 | 19.8 | 20.3 | 20.7 | 20.3 | 20.8 |
| 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 | 12.2 | 12.1 | 12.1 | 12.0 | 12.0 | 12.0 | 12.1 | 12.1 | 12.2 | 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) | 8.6 | 9.3 | 8.5 | 8.2 | 9.0 | 9.1 | 10.4 | 9.2 | 9.0 | 7.6 | 7.9 | 7.6 |
| Precipitation (mm) | 143 | 54 | 228 | 194 | 127 | 75 | 26 | 125 | 103 | 238 | 253 | 193 |
| Sunny days | 4 | 10 | 3 | 2 | 3 | 5 | 8 | 5 | 2 | 1 | 0 | 1 |
| Rainy days | 27 | 18 | 28 | 28 | 28 | 25 | 23 | 26 | 28 | 30 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Osio is at