Average annual temperature is 18.7 °C
Absolute maximum temperature: 45.3 °C
Absolute minimum temperature: 1.8 °C
Number of sunny days: 248 days
Number of rainy days: 117 days
Look at detailed online map of Jansenville
* Weather data for Jansenville 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) | 44.3 | 38.5 | 39.9 | 36.9 | 31.6 | 24.3 | 27.1 | 33.6 | 39.8 | 34.0 | 39.4 | 45.3 |
| Average daytime temperature (°C) | 34.4 | 31.2 | 31.0 | 27.4 | 21.2 | 19.0 | 19.5 | 23.4 | 24.1 | 24.1 | 33.0 | 31.0 |
| Average temperature (°C) | 25.3 | 23.4 | 22.5 | 19.5 | 14.3 | 13.1 | 12.4 | 15.7 | 16.4 | 17.1 | 22.8 | 22.3 |
| Average night temperature (°C) | 18.4 | 17.8 | 16.2 | 12.8 | 8.8 | 8.1 | 6.4 | 8.6 | 9.7 | 11.4 | 14.9 | 15.7 |
| Absolute minimum temperature (°C) | 11.5 | 12.2 | 9.9 | 7.7 | 2.6 | 3.0 | 1.8 | 2.9 | 3.7 | 6.2 | 10.8 | 11.4 |
| 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 | 14.0 | 14.0 |
| Daylight mean duration (h) | 14.0 | 13.3 | 12.3 | 11.3 | 10.4 | 10.0 | 10.2 | 10.9 | 11.9 | 12.9 | 13.8 | 14.3 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 |
| Sunshine mean duration (h) | 11.1 | 10.0 | 10.3 | 8.7 | 7.4 | 7.4 | 8.5 | 9.7 | 9.3 | 9.4 | 12.0 | 11.1 |
| Precipitation (mm) | 32 | 68 | 46 | 9 | 81 | 39 | 20 | 4 | 61 | 45 | 10 | 31 |
| Sunny days | 16 | 13 | 18 | 21 | 22 | 22 | 24 | 28 | 22 | 14 | 26 | 22 |
| Rainy days | 15 | 15 | 13 | 9 | 9 | 8 | 7 | 3 | 8 | 17 | 4 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Jansenville is at