| < 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 Monmouth, Il in December is slightly cold at -2.6 °C (27.32 °F).
- Afternoons can be very cool with average high temperatures reaching 1.9 °C (35.4 °F).
- Overnight temperatures are generally cold with an average low of -7 °C (19.4 °F).
- The mean diurnal temperature range/ variation in December is 8.9 °C (16 °F).
- The weather in December is slightly dry. Only 57.7mm (2.3in) of water is transfered.
- 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 Monmouth, Il December averages with somewhere beginning with:
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Weather Trend Graph for December in Monmouth, Il, Usa
Navigate to December Weather in Locations Surrounding Monmouth, Il:
- Washington, Ia, Usa - 83.9 kms (52.1 miles) W
- Fairfield, Ia, Usa - 83.9 kms (52.1 miles) W
- Mount Pleasant, Ia, Usa - 43.2 kms (26.8 miles) W
- Burlington, Iowa, Usa - 26 kms (16.2 miles) SSW
- Rushville, Il, Usa - 111.2 kms (69.1 miles) S