Average annual temperature is 12.9 °C
Absolute maximum temperature: 34.9 °C
Absolute minimum temperature: -11.3 °C
Number of sunny days: 182 days
Number of rainy days: 176 days
Number of snow days: 7 days
Look at detailed online map of Rocklyn
* Weather data for Rocklyn 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) | 17.4 | 18.0 | 18.8 | 29.3 | 29.7 | 34.6 | 33.8 | 31.2 | 34.9 | 27.3 | 21.3 | 15.7 |
| Average daytime temperature (°C) | 8.1 | 9.2 | 10.5 | 19.3 | 22.4 | 26.4 | 29.9 | 28.1 | 24.2 | 19.2 | 11.1 | 8.5 |
| Average temperature (°C) | 4.4 | 4.1 | 5.0 | 13.1 | 15.8 | 20.2 | 24.4 | 22.9 | 19.4 | 14.2 | 6.2 | 4.6 |
| Average night temperature (°C) | 1.6 | 0.0 | 0.4 | 8.1 | 9.6 | 15.0 | 20.1 | 18.6 | 15.5 | 10.3 | 2.3 | 1.6 |
| Absolute minimum temperature (°C) | -4.6 | -11.3 | -6.3 | 0.7 | 2.8 | 10.7 | 16.4 | 15.1 | 9.9 | 4.1 | -5.7 | -4.1 |
| 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 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 9.4 |
| 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) | 4.8 | 6.8 | 7.4 | 9.2 | 11.7 | 10.8 | 11.9 | 10.4 | 8.1 | 8.5 | 7.6 | 4.4 |
| Precipitation (mm) | 90 | 51 | 72 | 135 | 29 | 131 | 147 | 82 | 136 | 49 | 81 | 190 |
| Sunny days | 12 | 15 | 13 | 14 | 18 | 13 | 8 | 16 | 16 | 19 | 20 | 18 |
| Rainy days | 19 | 10 | 17 | 16 | 13 | 17 | 23 | 15 | 14 | 12 | 9 | 11 |
| Snow days | 0 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The best time to visit Rocklyn during the most sunny months:
The largest precipitation sum in Rocklyn is at