| < 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 Harrisburg, Il in December is very cool at 2.5 °C (36.5 °F).
- Afternoons can be a little cool with average high temperatures reaching 7.5 °C (45.5 °F).
- Overnight temperatures are generally slightly cold with an average low of -2.6 °C (27.3 °F).
- In December there is a variation/ range of mean daily temperatures of 10.1 °C (18.2 °F).
- The weather in December is not exactly parched. Circa 104.6mm (4.1in) of fluid precipitates.
- The shortest day is 9:31 long and the longest day is 9:42 long with an average length of 9:34.
Check the distance to and compare the Harrisburg, Il December averages with somewhere beginning with:
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Weather Trend Graph for December in Harrisburg, Il, Usa
Navigate to December Weather in Locations Surrounding Harrisburg, Il:
- Pana, Il, Usa - 154.6 kms (96.1 miles) N
- Carlinville, Il, Usa - 161.6 kms (100.4 miles) NNW
- White Halle, Il, Usa - 141.2 kms (87.7 miles) NW
- St. Louis/ Lambert, Mo, Usa - 145.4 kms (90.4 miles) NW
- Saint Louis, Missouri, Usa - 146.6 kms (91.1 miles) NW
- Sparta, Il, Usa - 63.5 kms (39.5 miles) WNW
- Farmington, Mo, Usa - 87.6 kms (54.4 miles) W
- Marble Hill, Mo, Usa - 115.1 kms (71.5 miles) SW
- Cairo-Illinois, Usa - 112.2 kms (69.7 miles) S
- Windsor, Il, Usa - 111.2 kms (69.1 miles) N
- Palestine, Il, Usa - 141.2 kms (87.7 miles) NE
- Hillsboro, Il, Usa - 111.2 kms (69.1 miles) N
- Mcleansboro, Il, Usa - 42 kms (26.1 miles) ENE
- Evansville/ Regional, In, Usa - 128.6 kms (79.9 miles) E
- Princeton, In, Usa - 87.6 kms (54.4 miles) E
- Owensboro, Ky, Usa - 164.3 kms (102.1 miles) E
- Hopkinsville, Ky, Usa - 183.6 kms (114.1 miles) SE