Average annual temperature is 19.8 °C
Absolute maximum temperature: 40.0 °C
Absolute minimum temperature: -1.0 °C
Number of sunny days: 308 days
Number of rainy days: 57 days
Look at detailed online map of Johnniesluck
* Weather data for Johnniesluck 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) | 39.8 | 37.1 | 35.5 | 31.6 | 29.6 | 24.3 | 24.3 | 28.9 | 35.4 | 37.7 | 40.0 | 39.1 |
| Average daytime temperature (°C) | 35.4 | 33.5 | 30.1 | 26.3 | 21.0 | 16.6 | 18.0 | 21.9 | 22.2 | 28.9 | 33.0 | 32.4 |
| Average temperature (°C) | 28.9 | 26.8 | 23.4 | 19.4 | 14.2 | 10.6 | 11.2 | 15.0 | 15.1 | 21.7 | 25.9 | 25.8 |
| Average night temperature (°C) | 20.7 | 19.0 | 15.6 | 11.3 | 7.2 | 5.1 | 5.0 | 7.8 | 6.6 | 13.2 | 17.1 | 18.0 |
| Absolute minimum temperature (°C) | 12.3 | 12.3 | 9.2 | 5.3 | 1.3 | 1.0 | -1.0 | 1.4 | -0.5 | 6.7 | 9.4 | 13.2 |
| 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) | 13.8 | 13.1 | 12.3 | 11.4 | 10.6 | 10.3 | 10.4 | 11.1 | 11.9 | 12.8 | 13.6 | 14.0 |
| 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 | 13.0 |
| Sunshine mean duration (h) | 12.7 | 12.1 | 10.8 | 10.3 | 9.2 | 8.2 | 9.0 | 10.1 | 10.5 | 11.4 | 12.4 | 12.4 |
| Precipitation (mm) | 6 | 3 | 4 | 0 | 25 | 12 | 4 | 0 | 18 | 2 | 2 | 61 |
| Sunny days | 25 | 25 | 22 | 27 | 25 | 24 | 26 | 29 | 25 | 28 | 26 | 26 |
| Rainy days | 6 | 3 | 9 | 3 | 6 | 6 | 5 | 2 | 5 | 3 | 4 | 5 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Johnniesluck is at