Weather in December in Mount Washington, Nh

< December >
	Normal Max/ High Temperature	-8°C (17°F)
	Average Temperature	-13°C (9°F)
	Min/ Low Temperature	-17°C (1°F)
	Normal Precipitation	247mm (9.7in)
	Average Daylight per day	08h 54'
	Sun altitude at solar noon on the 21st day.	22.3°

• The average temperature in Mount Washington, Nh in December is very cold at -12.8 °C (8.96 °F).
• Afternoons can be cold with average high temperatures reaching -8.3 °C (17.1 °F).
• Overnight temperatures are generally very cold with an average low of -17.4 °C (0.7 °F).
• In December the range/ variation of diurnal mean temperatures is 9.1 °C (16.4 °F).
• Precipitation averages for December are high with 246.9mm (9.7 in) recorded.
• The shortest day is 8h 50' long and the longest day is 9h 04' long with an average length of 8h 54'.

Weather Trend Graph for December in Mount Washington, Nh, Usa