| < December >
|Normal Max/ High Temperature
|Min/ Low Temperature
|Average Daylight per day
|Sun altitude at solar noon on the 21st day.
- The average temperature in Rockford, Il in December is slightly cold at -4.4 °C (24.08 °F).
- Afternoons can be slightly cold with average high temperatures reaching -0.1 °C (31.8 °F).
- Overnight temperatures are generally cold with an average low of -8.8 °C (16.2 °F).
- In December the mean daily temperature variation/ range is 8.7 °C (15.7 °F).
- The weather in December is slightly dry. Only 52.1mm (2.1in) of fluid falls.
- The shortest day is 9:05 long and the longest day is 9:18 long with an average length of 9:08.
Check the distance to and compare the Rockford, Il December averages with somewhere beginning with:
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Weather Trend Graph for December in Rockford, Il, Usa
Navigate to December Weather in Locations Surrounding Rockford, Il:
- Madison, Wisconsin, Usa - 105.5 kms (65.6 miles) N
- Brodhead, Wi, Usa - 51.8 kms (32.2 miles) NNW
- Dixon, Il, Usa - 77.5 kms (48.2 miles) WSW
- Walnut, Il, Usa - 77.5 kms (48.2 miles) WSW
- Clinton, Ia, Usa - 77.5 kms (48.2 miles) WSW
- Morrison, Il, Usa - 83.6 kms (52 miles) WSW
- Watertown, Wi, Usa - 89.3 kms (55.5 miles) N
- Milwaukee, Wi, Usa - 128.9 kms (80.1 miles) NE
- Racine, Wi, Usa - 122.9 kms (76.3 miles) ENE
- Marengo, Il, Usa - 23.7 kms (14.7 miles) SSE
- Aurora, Il, Usa - 93.4 kms (58.1 miles) ESE
- Chicago/ 0'Hare, Il, Usa - 101.9 kms (63.3 miles) ESE
- Chicago, Illinois, Usa - 120.8 kms (75.1 miles) ESE