Weather in December in St. Louis/ Lambert, Mo

< December >
	Normal Max/ High Temperature	5°C (42°F)
	Average Temperature	1°C (34°F)
	Min/ Low Temperature	-3°C (26°F)
	Normal Precipitation	77mm (3in)
	Average Daylight per day	09h 29'
	Sun altitude at solar noon on the 21st day.	27.8°

The average temperature in St. Louis/ Lambert, Mo in December is very cool at 1.1 °C (33.98 °F).
Afternoons can be cool with average high temperatures reaching 5.4 °C (41.7 °F).
Overnight temperatures are generally slightly cold with an average low of -3.3 °C (26.1 °F).
In December the range/ variation of diurnal average temperatures is 8.7 °C (15.7 °F).
Precipitation averages for December are moderate with 77mm (3 in) recorded.
The shortest day is 9h 26' long and the longest day is 9h 37' long with an average length of 9h 29'.

Weather Trend Graph for December in St. Louis/ Lambert, Mo, Usa

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