Average annual temperature is 13.0 °C
Absolute maximum temperature: 37.0 °C
Absolute minimum temperature: -17.4 °C
Number of sunny days: 221 days
Number of rainy days: 125 days
Number of snow days: 19 days
Look at detailed online map of Rock Port
* Weather data for Rock Port 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) | 11.3 | 17.4 | 22.5 | 30.9 | 31.4 | 35.0 | 36.1 | 37.0 | 34.5 | 33.1 | 21.8 | 16.4 |
| Average daytime temperature (°C) | 3.7 | 8.0 | 10.7 | 19.9 | 26.4 | 30.0 | 29.4 | 29.8 | 28.2 | 20.1 | 12.8 | 7.9 |
| Average temperature (°C) | -0.8 | 0.7 | 4.3 | 12.5 | 19.5 | 24.0 | 24.3 | 24.6 | 22.1 | 14.5 | 6.7 | 3.4 |
| Average night temperature (°C) | -4.2 | -4.3 | -0.4 | 6.6 | 13.4 | 18.0 | 19.8 | 20.2 | 16.9 | 9.9 | 2.1 | -0.2 |
| Absolute minimum temperature (°C) | -14.6 | -17.4 | -10.0 | -2.9 | 3.6 | 11.4 | 14.6 | 13.6 | 11.1 | -4.1 | -6.6 | -5.3 |
| 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) | 9.7 | 10.7 | 11.9 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 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) | 5.9 | 7.7 | 7.7 | 9.7 | 11.4 | 12.8 | 10.9 | 11.0 | 10.8 | 7.9 | 6.7 | 5.3 |
| Precipitation (mm) | 37 | 72 | 29 | 45 | 71 | 89 | 110 | 72 | 30 | 46 | 19 | 59 |
| Sunny days | 18 | 20 | 21 | 21 | 18 | 17 | 12 | 15 | 20 | 15 | 25 | 19 |
| Rainy days | 4 | 5 | 9 | 8 | 13 | 13 | 19 | 16 | 10 | 15 | 3 | 10 |
| Snow days | 9 | 3 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 2 |
The best time to visit Rock Port during the most sunny months:
The largest precipitation sum in Rock Port is at