Average annual temperature is 10.4 °C
Absolute maximum temperature: 32.2 °C
Absolute minimum temperature: -14.2 °C
Number of sunny days: 139 days
Number of rainy days: 204 days
Number of snow days: 22 days
Look at detailed online map of Rockdale
* Weather data for Rockdale United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 14.6 | 17.7 | 16.5 | 27.4 | 30.3 | 32.2 | 30.4 | 32.2 | 30.7 | 26.2 | 15.6 | 13.9 |
| Average daytime temperature (°C) | 4.9 | 8.1 | 7.1 | 16.7 | 20.4 | 23.6 | 27.0 | 25.1 | 22.0 | 15.9 | 8.8 | 6.5 |
| Average temperature (°C) | 1.4 | 1.7 | 2.0 | 10.0 | 13.8 | 18.0 | 21.6 | 19.9 | 16.9 | 11.7 | 4.2 | 3.2 |
| Average night temperature (°C) | -1.3 | -2.9 | -2.1 | 4.4 | 7.5 | 12.7 | 16.7 | 15.7 | 12.7 | 8.1 | 0.6 | 0.6 |
| Absolute minimum temperature (°C) | -7.3 | -14.2 | -9.2 | -4.2 | 0.9 | 7.5 | 12.6 | 10.7 | 7.7 | 0.4 | -8.0 | -5.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 2.6 | 6.4 | 6.0 | 8.1 | 10.7 | 10.8 | 11.5 | 10.4 | 8.7 | 6.0 | 6.7 | 3.2 |
| Precipitation (mm) | 110 | 73 | 104 | 91 | 45 | 104 | 94 | 143 | 39 | 103 | 53 | 90 |
| Sunny days | 5 | 10 | 7 | 13 | 21 | 9 | 6 | 7 | 17 | 16 | 17 | 11 |
| Rainy days | 16 | 16 | 19 | 17 | 10 | 21 | 25 | 24 | 13 | 15 | 11 | 17 |
| Snow days | 10 | 2 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 |
The best time to visit Rockdale during the most sunny months:
The largest precipitation sum in Rockdale is at