Average annual temperature is 14.2 °C
Absolute maximum temperature: 35.5 °C
Absolute minimum temperature: -3.7 °C
Number of sunny days: 230 days
Number of rainy days: 133 days
Number of snow days: 2 days
Look at detailed online map of Osnek
* Weather data for Osnek South Africa is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 33.7 | 31.0 | 29.6 | 26.4 | 23.0 | 18.5 | 19.7 | 22.2 | 29.8 | 30.9 | 35.5 | 34.1 |
| Average daytime temperature (°C) | 27.8 | 25.1 | 25.1 | 21.3 | 15.9 | 12.3 | 13.0 | 17.0 | 19.3 | 22.3 | 27.5 | 27.0 |
| Average temperature (°C) | 20.5 | 18.4 | 17.8 | 14.4 | 9.8 | 6.9 | 7.1 | 10.2 | 12.2 | 14.6 | 19.7 | 18.7 |
| Average night temperature (°C) | 13.9 | 12.7 | 11.3 | 7.8 | 4.9 | 2.4 | 1.9 | 3.8 | 5.4 | 7.2 | 11.4 | 11.3 |
| Absolute minimum temperature (°C) | 6.0 | 7.9 | 4.2 | 1.2 | -1.6 | -2.9 | -2.9 | -3.7 | -3.6 | 0.3 | 4.9 | 6.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 14.0 |
| Daylight mean duration (h) | 13.9 | 13.2 | 12.3 | 11.3 | 10.5 | 10.2 | 10.3 | 11.0 | 11.9 | 12.9 | 13.7 | 14.1 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 |
| Sunshine mean duration (h) | 11.5 | 10.7 | 10.7 | 9.7 | 8.3 | 8.8 | 8.6 | 9.8 | 10.1 | 10.8 | 11.7 | 11.3 |
| Precipitation (mm) | 92 | 137 | 29 | 9 | 86 | 5 | 12 | 1 | 37 | 28 | 20 | 81 |
| Sunny days | 10 | 11 | 16 | 21 | 20 | 23 | 25 | 26 | 23 | 23 | 19 | 13 |
| Rainy days | 21 | 17 | 15 | 9 | 11 | 7 | 4 | 5 | 7 | 8 | 11 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Osnek is at