Average annual temperature is 16.5 °C
Absolute maximum temperature: 33.2 °C
Absolute minimum temperature: -1.9 °C
Number of sunny days: 235 days
Number of rainy days: 130 days
Look at detailed online map of Glenmarais
* Weather data for Glenmarais 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) | 30.8 | 27.3 | 28.4 | 26.0 | 24.5 | 21.5 | 23.0 | 27.2 | 29.4 | 33.2 | 32.3 | 31.4 |
| Average daytime temperature (°C) | 26.5 | 23.6 | 24.5 | 22.9 | 19.3 | 18.4 | 16.8 | 20.8 | 25.6 | 26.0 | 26.7 | 26.3 |
| Average temperature (°C) | 20.5 | 18.7 | 18.7 | 16.3 | 13.1 | 11.0 | 9.8 | 13.0 | 17.8 | 18.7 | 20.2 | 20.4 |
| Average night temperature (°C) | 14.3 | 14.5 | 13.2 | 10.4 | 8.1 | 5.0 | 3.9 | 5.9 | 10.2 | 11.7 | 13.9 | 14.8 |
| Absolute minimum temperature (°C) | 10.9 | 11.7 | 10.3 | 5.8 | 3.3 | 1.9 | -1.9 | 0.3 | 2.9 | 4.9 | 4.3 | 10.6 |
| 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) | 11.8 | 9.5 | 10.6 | 10.4 | 9.4 | 9.6 | 9.5 | 10.3 | 10.9 | 9.9 | 10.9 | 11.0 |
| Precipitation (mm) | 47 | 138 | 23 | 8 | 55 | 9 | 2 | 0 | 13 | 60 | 37 | 93 |
| Sunny days | 16 | 7 | 15 | 23 | 17 | 27 | 27 | 31 | 27 | 20 | 14 | 11 |
| Rainy days | 15 | 21 | 16 | 7 | 14 | 3 | 4 | 0 | 3 | 11 | 16 | 20 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Glenmarais is at