Weather in December in Monmouth, Il

< December >
	Normal Max/ High Temperature	2°C (35°F)
	Average Temperature	-3°C (27°F)
	Min/ Low Temperature	-7°C (19°F)
	Normal Precipitation	58mm (2.3in)
	Average Daylight per day	09h 16'
	Sun altitude at solar noon on the 21st day.	25.6°

• 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 range/ variation of daily average temperatures in December is 8.9 °C (16 °F).
• Precipitation averages for December are moderate with 57.7mm (2.3 in) recorded.
• The shortest day is 9h 13' long and the longest day is 9h 25' long with an average length of 9h 16'.

Weather Trend Graph for December in Monmouth, Il, Usa