Average annual temperature is 12.1 °C
Absolute maximum temperature: 33.4 °C
Absolute minimum temperature: -13.2 °C
Number of sunny days: 170 days
Number of rainy days: 180 days
Number of snow days: 15 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) | 17.4 | 17.7 | 19.0 | 26.5 | 31.0 | 32.6 | 33.3 | 33.4 | 32.1 | 29.4 | 23.4 | 15.5 |
| Average daytime temperature (°C) | 4.9 | 9.1 | 9.5 | 17.4 | 22.4 | 27.1 | 28.8 | 27.0 | 25.1 | 18.2 | 11.3 | 8.1 |
| Average temperature (°C) | 1.5 | 2.8 | 3.8 | 10.8 | 16.0 | 20.8 | 23.4 | 21.9 | 19.6 | 13.3 | 5.8 | 4.4 |
| Average night temperature (°C) | -1.2 | -1.4 | -0.2 | 5.2 | 10.1 | 14.9 | 18.3 | 17.3 | 14.6 | 9.3 | 1.8 | 1.6 |
| Absolute minimum temperature (°C) | -10.7 | -13.2 | -7.8 | -1.8 | 1.6 | 9.7 | 14.4 | 10.4 | 9.3 | -3.5 | -9.1 | -6.1 |
| 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 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.7 | 11.9 | 13.3 | 14.5 | 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) | 3.0 | 7.5 | 6.6 | 8.8 | 10.2 | 11.1 | 12.1 | 10.5 | 9.6 | 7.2 | 7.3 | 4.0 |
| Precipitation (mm) | 87 | 91 | 130 | 94 | 55 | 73 | 88 | 73 | 38 | 72 | 20 | 54 |
| Sunny days | 9 | 17 | 13 | 14 | 18 | 13 | 9 | 16 | 16 | 12 | 21 | 12 |
| Rainy days | 15 | 10 | 14 | 16 | 13 | 17 | 22 | 15 | 14 | 18 | 9 | 17 |
| Snow days | 7 | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 |
The best time to visit Rockford during the most sunny months:
The largest precipitation sum in Rockford is at