Average annual temperature is 19.8 °C
Absolute maximum temperature: 40.3 °C
Absolute minimum temperature: -1.2 °C
Number of sunny days: 296 days
Number of rainy days: 69 days
Look at detailed online map of Merino
* Weather data for Merino 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) | 40.0 | 37.5 | 36.1 | 31.2 | 29.8 | 24.7 | 24.2 | 28.4 | 35.8 | 38.2 | 40.3 | 39.3 |
| Average daytime temperature (°C) | 35.7 | 33.8 | 30.3 | 26.3 | 21.2 | 16.8 | 18.2 | 21.9 | 22.6 | 29.0 | 33.4 | 32.7 |
| Average temperature (°C) | 29.1 | 26.9 | 23.4 | 19.1 | 14.1 | 10.6 | 11.1 | 14.9 | 15.1 | 21.8 | 26.2 | 26.0 |
| Average night temperature (°C) | 20.8 | 18.9 | 15.7 | 11.1 | 7.1 | 5.0 | 4.6 | 7.4 | 6.5 | 13.0 | 17.1 | 18.1 |
| Absolute minimum temperature (°C) | 12.6 | 12.4 | 9.3 | 5.8 | 0.9 | -0.2 | -1.0 | 0.9 | -1.2 | 6.9 | 10.1 | 13.0 |
| 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 | 10.3 | 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) | 12.7 | 12.0 | 10.8 | 10.3 | 9.2 | 8.0 | 8.9 | 10.1 | 10.4 | 11.4 | 12.4 | 12.4 |
| Precipitation (mm) | 10 | 2 | 13 | 16 | 22 | 18 | 4 | 1 | 21 | 4 | 4 | 81 |
| Sunny days | 24 | 22 | 21 | 27 | 23 | 23 | 25 | 29 | 25 | 27 | 25 | 25 |
| Rainy days | 7 | 6 | 10 | 3 | 8 | 7 | 6 | 2 | 5 | 4 | 5 | 6 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Merino is at