Average annual temperature is 21.5 °C
Absolute maximum temperature: 39.7 °C
Absolute minimum temperature: -0.5 °C
Number of sunny days: 299 days
Number of rainy days: 66 days
Look at detailed online map of Deal
* Weather data for Deal 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) | 37.3 | 37.1 | 35.0 | 31.7 | 30.9 | 27.1 | 28.2 | 31.0 | 35.3 | 38.9 | 39.4 | 39.7 |
| Average daytime temperature (°C) | 34.0 | 31.7 | 31.8 | 28.6 | 24.8 | 21.0 | 21.3 | 24.9 | 27.9 | 32.4 | 34.7 | 34.5 |
| Average temperature (°C) | 28.1 | 25.4 | 24.8 | 20.8 | 17.4 | 12.8 | 13.5 | 16.5 | 19.5 | 24.6 | 27.6 | 27.7 |
| Average night temperature (°C) | 20.7 | 19.1 | 17.7 | 13.1 | 9.8 | 5.1 | 6.0 | 8.1 | 10.4 | 15.9 | 19.5 | 20.5 |
| Absolute minimum temperature (°C) | 14.8 | 14.2 | 13.1 | 6.7 | 2.8 | 1.1 | -0.5 | 2.3 | 3.4 | 10.0 | 9.9 | 16.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.6 | 13.0 | 12.2 | 11.5 | 10.8 | 10.5 | 10.7 | 11.2 | 11.9 | 12.7 | 13.4 | 13.7 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 |
| Sunshine mean duration (h) | 12.5 | 11.0 | 10.7 | 10.4 | 9.6 | 9.6 | 9.7 | 10.3 | 10.8 | 11.3 | 11.7 | 11.9 |
| Precipitation (mm) | 6 | 37 | 7 | 14 | 15 | 0 | 0 | 0 | 2 | 3 | 7 | 80 |
| Sunny days | 24 | 14 | 21 | 26 | 27 | 27 | 30 | 31 | 28 | 27 | 22 | 22 |
| Rainy days | 7 | 14 | 10 | 4 | 4 | 3 | 1 | 0 | 2 | 4 | 8 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Deal is at