Weather in December in Watertown, Wi

< December >
	Normal Max/ High Temperature	-1°C (30°F)
	Average Temperature	-5°C (22°F)
	Min/ Low Temperature	-10°C (14°F)
	Normal Precipitation	46mm (1.8in)
	Average Daylight per day	09h 03'
	Sun altitude at solar noon on the 21st day.	23.6°

• The average temperature in Watertown, Wi in December is cold at -5.4 °C (22.28 °F).
• Afternoons can be slightly cold with average high temperatures reaching -0.9 °C (30.4 °F).
• Overnight temperatures are generally very cold with an average low of -10 °C (14 °F).
• The variation/ range of daily average temperatures in December is 9.1 °C (16.4 °F).
• Precipitation averages for December are moderate with 46mm (1.8 in) recorded.
• The shortest day is 8h 59' long and the longest day is 9h 13' long with an average length of 9h 03'.

Weather Trend Graph for December in Watertown, Wi, Usa