| < 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 Pontiac, Il in December is slightly cold at -2.8 °C (26.96 °F).
- Afternoons can be very cool with average high temperatures reaching 1.6 °C (34.9 °F).
- Overnight temperatures are generally cold with an average low of -7.2 °C (19 °F).
- The range/ variation of daily average temperatures in December is 8.8 °C (15.8 °F).
- The weather in December is marginally dry. Only 64.5mm (2.5in) of water is dumped.
- The shortest day is 9:13 long and the longest day is 9:25 long with an average length of 9:16.
Check the distance to and compare the Pontiac, Il December averages with somewhere beginning with:
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Weather Trend Graph for December in Pontiac, Il, Usa
Navigate to December Weather in Locations Surrounding Pontiac, Il:
- Morrison, Il, Usa - 120.8 kms (75 miles) NW
- Galva, Il, Usa - 89.3 kms (55.5 miles) WNW
- Minonk, Il, Usa - 11 kms (6.8 miles) SSW
- Peoria, Il, Usa - 68.4 kms (42.5 miles) WSW
- Decatur, Il, Usa - 111.2 kms (69.1 miles) S