Weather in December in Saint John, New Brunswick

< December >
	Normal Max/ High Temperature	0°C (32°F)
	Average Temperature	-5°C (23°F)
	Min/ Low Temperature	-10°C (14°F)
	Normal Precipitation	168mm (6.6in)
	Number of Wet Days (probability of rain on a day)	15 (48%)
	Average Sunlight per day	03h 13'
	Average Daylight per day	08h 47'
	Sunny (Cloudy) Daylight Hours	38% (62%)
	Sun altitude at solar noon on the 21st day.	21.3°

The average temperature in Saint John, New Brunswick in December is cold at -5 °C (23 °F).
Afternoons can be slightly cold with average high temperatures reaching -0.2 °C (31.6 °F).
Overnight temperatures are generally cold with an average low of -9.9 °C (14.2 °F).
The range/ variation of diurnal average temperatures in December is 9.7 °C (17.5 °F).
Precipitation averages for December are high with 167.6mm (6.6 in) recorded across 15 days.
The heavens above Saint John, New Brunswick are dull having an average of a trifling 3h 13' of beaming sunshine daily.
The shortest day is 8h 43' long and the longest day is 8h 58' long with an average length of 8h 47'.
There are approximately 5h 22' per day when the sun is occluded by cloud, haze, fog etc.
It is sunny approximately 37.5% of daylight hours and cloudy 62.5% of daylight hours.

Weather Trend Graph for December in Saint John, New Brunswick, Canada

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