Average annual temperature is 15.1 °C
Absolute maximum temperature: 36.0 °C
Absolute minimum temperature: -3.9 °C
Number of sunny days: 241 days
Number of rainy days: 124 days
Look at detailed online map of Rosemaryn
* Weather data for Rosemaryn 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) | 33.4 | 31.8 | 28.1 | 25.5 | 23.7 | 20.5 | 21.5 | 22.3 | 29.6 | 32.6 | 36.0 | 33.9 |
| Average daytime temperature (°C) | 28.7 | 25.6 | 25.3 | 21.9 | 17.7 | 14.3 | 15.0 | 18.7 | 21.8 | 25.2 | 28.7 | 27.5 |
| Average temperature (°C) | 21.4 | 19.2 | 18.1 | 14.3 | 10.6 | 7.3 | 7.5 | 10.5 | 13.8 | 17.0 | 20.9 | 20.2 |
| Average night temperature (°C) | 14.6 | 13.5 | 11.9 | 7.3 | 4.6 | 1.6 | 1.0 | 3.1 | 5.7 | 9.0 | 12.7 | 13.7 |
| Absolute minimum temperature (°C) | 6.9 | 8.0 | 5.7 | 2.4 | -1.2 | -1.8 | -3.9 | -3.4 | -1.6 | 3.4 | 4.2 | 9.0 |
| 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 | 10.2 | 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) | 12.1 | 10.3 | 10.7 | 10.0 | 8.9 | 8.9 | 8.9 | 10.0 | 10.2 | 11.3 | 11.9 | 11.6 |
| Precipitation (mm) | 67 | 114 | 58 | 13 | 42 | 7 | 13 | 0 | 23 | 30 | 17 | 113 |
| Sunny days | 14 | 9 | 11 | 26 | 21 | 25 | 26 | 28 | 25 | 23 | 21 | 12 |
| Rainy days | 17 | 19 | 20 | 4 | 10 | 5 | 5 | 3 | 5 | 8 | 9 | 19 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rosemaryn is at