Average annual temperature is 15.4 °C
Absolute maximum temperature: 37.4 °C
Absolute minimum temperature: -2.8 °C
Number of sunny days: 247 days
Number of rainy days: 117 days
Number of snow days: 1 day
Look at detailed online map of Gariep
* Weather data for Gariep 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) | 34.6 | 32.3 | 30.7 | 27.2 | 24.0 | 20.7 | 21.3 | 23.8 | 31.1 | 32.5 | 37.4 | 36.3 |
| Average daytime temperature (°C) | 29.5 | 26.9 | 26.4 | 22.3 | 17.6 | 14.0 | 15.1 | 19.1 | 21.5 | 25.3 | 29.3 | 29.2 |
| Average temperature (°C) | 21.8 | 19.9 | 18.9 | 14.7 | 10.6 | 7.4 | 7.7 | 10.8 | 13.7 | 16.8 | 21.4 | 20.9 |
| Average night temperature (°C) | 14.8 | 14.0 | 12.4 | 7.7 | 4.6 | 1.9 | 1.2 | 3.1 | 5.5 | 8.8 | 12.8 | 13.9 |
| Absolute minimum temperature (°C) | 7.8 | 9.4 | 5.6 | 2.1 | -0.2 | -1.9 | -2.8 | -2.7 | -2.1 | 3.2 | 5.8 | 9.2 |
| 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) | 13.9 | 13.2 | 12.3 | 11.3 | 10.6 | 10.2 | 10.4 | 11.0 | 11.9 | 12.8 | 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 | 13.0 |
| Sunshine mean duration (h) | 12.1 | 11.0 | 10.7 | 9.7 | 8.5 | 8.5 | 8.6 | 9.9 | 10.0 | 11.4 | 11.8 | 11.6 |
| Precipitation (mm) | 83 | 72 | 40 | 14 | 82 | 7 | 27 | 3 | 35 | 14 | 19 | 82 |
| Sunny days | 15 | 12 | 16 | 25 | 22 | 24 | 24 | 27 | 24 | 24 | 21 | 13 |
| Rainy days | 16 | 16 | 15 | 5 | 9 | 6 | 6 | 4 | 6 | 7 | 9 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Gariep is at