Fredericton climate

Fredericton Weather in December

NASA POWER reanalysis for the half-degree grid cell around Fredericton, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 1°C on December 1 to -4°C on December 31, and lows from -6°C to -13°C. Normal precipitation for the month is 109 mm over about 12 wet days.

December day by day

The normal high and low for each date, in °C.

Normal daily high and low temperature at Fredericton, in °C, with the record for each date.-30-20-1001020151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

December at a glance

Average high
-1°C
Average low
-9°C
Precipitation
109 mm
Reanalysis high
14°CDec 1, 2020
Reanalysis low
-30°CDec 28, 1993
Daylight
8 h 55 min to 8 h 43 min
Cloud cover
67%
Humidity
90%
Dew point
-7°C
Wind
9.7 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

DateNormal highNormal lowReanalysis highReanalysis lowChance wet
Dec 11°C-6°C14°C 2020-14°C 201244%
Dec 21°C-6°C13°C 2020-13°C 200743%
Dec 31°C-6°C10°C 2009-14°C 199544%
Dec 41°C-7°C7°C 2020-15°C 200243%
Dec 50°C-7°C9°C 2012-19°C 200242%
Dec 60°C-7°C9°C 2001-19°C 199141%
Dec 70°C-8°C10°C 1998-21°C 199141%
Dec 80°C-8°C3°C 2012-21°C 201842%
Dec 9-1°C-8°C7°C 2019-23°C 200741%
Dec 10-1°C-9°C11°C 2008-21°C 200040%
Dec 11-1°C-9°C12°C 1993-22°C 201640%
Dec 12-1°C-9°C13°C 1993-22°C 199440%
Dec 13-2°C-10°C14°C 2010-23°C 199439%
Dec 14-2°C-10°C14°C 2010-23°C 201338%
Dec 15-2°C-10°C10°C 2019-26°C 199739%
Dec 16-2°C-10°C9°C 2008-25°C 199738%
Dec 17-1°C-10°C10°C 2000-29°C 201640%
Dec 18-2°C-10°C11°C 2000-20°C 201740%
Dec 19-2°C-10°C4°C 1996-24°C 200742%
Dec 20-2°C-10°C5°C 1996-19°C 201642%
Dec 21-2°C-10°C6°C 2018-20°C 200842%
Dec 22-2°C-10°C10°C 2018-23°C 199742%
Dec 23-2°C-11°C8°C 2004-22°C 199742%
Dec 24-3°C-11°C10°C 2004-22°C 199142%
Dec 25-3°C-11°C13°C 2020-23°C 199141%
Dec 26-3°C-11°C13°C 2020-26°C 199140%
Dec 27-3°C-12°C4°C 2014-27°C 199340%
Dec 28-3°C-12°C7°C 2011-30°C 199341%
Dec 29-3°C-12°C5°C 2005-29°C 199341%
Dec 30-4°C-12°C5°C 2005-22°C 201740%
Dec 31-4°C-13°C3°C 2020-26°C 201741%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Fredericton, in percent.010203040501102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (AST).

December 1
sunrise 7:48 AM, sunset 4:43 PM
December 31
sunrise 8:08 AM, sunset 4:51 PM

Every day of December: sun and moon

Other months

Sources

Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.