Average annual temperature is 12.2 °C
Absolute maximum temperature: 33.5 °C
Absolute minimum temperature: -12.1 °C
Number of sunny days: 180 days
Number of rainy days: 172 days
Number of snow days: 13 days
Look at detailed online map of Rockford
* Weather data for Rockford 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) | 17.6 | 19.1 | 19.7 | 27.3 | 30.5 | 32.9 | 33.2 | 33.5 | 32.6 | 29.6 | 23.1 | 16.2 |
| Average daytime temperature (°C) | 5.1 | 9.6 | 9.9 | 17.7 | 22.5 | 26.9 | 29.0 | 27.1 | 25.4 | 18.2 | 11.7 | 8.5 |
| Average temperature (°C) | 1.7 | 3.1 | 4.1 | 11.0 | 16.1 | 20.7 | 23.6 | 21.9 | 19.7 | 13.5 | 6.0 | 4.7 |
| Average night temperature (°C) | -1.0 | -1.3 | -0.1 | 5.4 | 10.2 | 14.8 | 18.8 | 17.2 | 14.7 | 9.5 | 2.0 | 1.9 |
| Absolute minimum temperature (°C) | -10.7 | -12.1 | -7.8 | -1.3 | 1.7 | 9.2 | 14.2 | 10.8 | 9.0 | -3.3 | -8.7 | -4.6 |
| 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 | 10.7 | 11.9 | 13.3 | 14.4 | 15.0 | 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) | 2.9 | 7.4 | 6.8 | 8.8 | 10.3 | 10.7 | 12.2 | 10.6 | 9.3 | 7.1 | 7.6 | 4.0 |
| Precipitation (mm) | 112 | 87 | 123 | 70 | 47 | 76 | 76 | 99 | 41 | 77 | 19 | 43 |
| Sunny days | 10 | 17 | 12 | 13 | 20 | 14 | 10 | 15 | 20 | 12 | 23 | 14 |
| Rainy days | 15 | 11 | 14 | 17 | 11 | 16 | 21 | 16 | 10 | 18 | 7 | 16 |
| Snow days | 6 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 |
The best time to visit Rockford during the most sunny months:
The largest precipitation sum in Rockford is at