| < 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 Jacksonville, Il in December is slightly cold at -1.5 °C (29.3 °F).
- Afternoons can be cool with average high temperatures reaching 3.3 °C (37.9 °F).
- Overnight temperatures are generally cold with an average low of -6.3 °C (20.7 °F).
- In December the variation/ range of diurnal mean temperatures is 9.6 °C (17.3 °F).
- The weather in December is marginally dry. Only 67.1mm (2.6in) of H2O is unloaded.
- The shortest day is 9:19 long and the longest day is 9:31 long with an average length of 9:23.
Check the distance to and compare the Jacksonville, Il December averages with somewhere beginning with:
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Weather Trend Graph for December in Jacksonville, Il, Usa
Navigate to December Weather in Locations Surrounding Jacksonville, Il:
- Galva, Il, Usa - 129.9 kms (80.7 miles) N
- Burlington, Iowa, Usa - 128.6 kms (79.9 miles) NW
- Rushville, Il, Usa - 85.2 kms (52.9 miles) W
- Griggsville, Il, Usa - 69.8 kms (43.4 miles) WSW
- White Halle, Il, Usa - 111.2 kms (69.1 miles) S
- Minonk, Il, Usa - 129.6 kms (80.5 miles) NE
- Peoria, Il, Usa - 78.8 kms (49 miles) NNE
- Decatur, Il, Usa - 85.2 kms (52.9 miles) E
- Springfield, Il, Usa - 33 kms (20.5 miles) ESE
- Pana, Il, Usa - 104 kms (64.6 miles) SE
- Carlinville, Il, Usa - 80.7 kms (50.2 miles) S