Average annual temperature is 16.5 °C
Absolute maximum temperature: 38.7 °C
Absolute minimum temperature: -3.7 °C
Number of sunny days: 274 days
Number of rainy days: 91 days
Look at detailed online map of Merriman
* Weather data for Merriman 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) | 38.7 | 36.0 | 32.7 | 28.7 | 25.1 | 21.0 | 22.6 | 26.2 | 33.1 | 34.6 | 37.7 | 37.6 |
| Average daytime temperature (°C) | 33.2 | 30.5 | 27.8 | 23.9 | 18.7 | 14.1 | 14.9 | 19.5 | 20.9 | 25.5 | 30.7 | 30.6 |
| Average temperature (°C) | 25.3 | 22.7 | 20.3 | 16.0 | 11.2 | 7.8 | 7.7 | 11.4 | 13.1 | 17.4 | 22.6 | 22.6 |
| Average night temperature (°C) | 17.1 | 15.4 | 13.2 | 8.4 | 4.8 | 2.4 | 1.8 | 4.3 | 5.1 | 9.3 | 13.4 | 14.7 |
| Absolute minimum temperature (°C) | 8.3 | 10.0 | 6.4 | 2.7 | 0.1 | -1.3 | -3.7 | -3.5 | -2.5 | 3.6 | 9.3 | 8.9 |
| 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 | 14.0 | 14.0 |
| Daylight mean duration (h) | 13.9 | 13.2 | 12.3 | 11.3 | 10.5 | 10.1 | 10.3 | 11.0 | 11.9 | 12.9 | 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 | 14.0 |
| Sunshine mean duration (h) | 12.5 | 11.8 | 10.6 | 9.8 | 8.7 | 7.9 | 8.6 | 10.0 | 10.2 | 11.3 | 12.2 | 11.8 |
| Precipitation (mm) | 19 | 29 | 23 | 7 | 92 | 28 | 23 | 7 | 54 | 24 | 32 | 31 |
| Sunny days | 21 | 19 | 20 | 24 | 22 | 19 | 27 | 29 | 24 | 26 | 23 | 20 |
| Rainy days | 10 | 9 | 11 | 6 | 9 | 11 | 4 | 2 | 6 | 5 | 7 | 11 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Merriman is at