Conception Bay South climate

Conception Bay South Weather in December

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

Average highs run from 4°C on December 1 to 0°C on December 31, and lows from -1°C to -6°C. Normal precipitation for the month is 133 mm over about 19 wet days.

December day by day

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

Normal daily high and low temperature at Conception Bay South, in °C, with the record for each date.-20-1001020151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
2°C
Average low
-3°C
Precipitation
133 mm
Record high
17°CDec 10, 2017
Record low
-15°CDec 23, 2019
Daylight
8 h 44 min to 8 h 30 min
Cloud cover
80%
Humidity
90%
Dew point
-2°C
Wind
16.9 km/h

Every day of the month

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

DateNormal highNormal lowRecord highRecord lowChance wet
Dec 14°C-1°C15°C 2011-11°C 201362%
Dec 23°C-2°C12°C 2020-9°C 201262%
Dec 33°C-2°C14°C 2020-6°C 201463%
Dec 43°C-2°C13°C 2014-5°C 201563%
Dec 53°C-2°C11°C 2019-8°C 201463%
Dec 63°C-2°C10°C 2020-9°C 201461%
Dec 72°C-2°C15°C 2021-7°C 202362%
Dec 82°C-3°C13°C 2011-11°C 201462%
Dec 92°C-3°C8°C 2012-11°C 201462%
Dec 102°C-3°C17°C 2017-9°C 202161%
Dec 112°C-3°C14°C 2012-11°C 201861%
Dec 122°C-3°C14°C 2021-12°C 201360%
Dec 132°C-3°C12°C 2014-13°C 201360%
Dec 142°C-3°C12°C 2014-12°C 201359%
Dec 152°C-3°C14°C 2019-9°C 201358%
Dec 161°C-3°C8°C 2010-13°C 202158%
Dec 172°C-3°C8°C 2010-12°C 202158%
Dec 181°C-3°C11°C 2016-14°C 201359%
Dec 191°C-4°C12°C 2015-10°C 201659%
Dec 201°C-4°C11°C 2023-11°C 201660%
Dec 211°C-4°C9°C 2023-9°C 202062%
Dec 221°C-4°C11°C 2020-13°C 201562%
Dec 231°C-4°C7°C 2018-15°C 201961%
Dec 241°C-4°C10°C 2017-13°C 201160%
Dec 251°C-4°C9°C 2022-13°C 201159%
Dec 261°C-5°C9°C 2020-14°C 201158%
Dec 270°C-5°C10°C 2020-13°C 201156%
Dec 280°C-5°C8°C 2010-14°C 201856%
Dec 290°C-5°C6°C 2020-15°C 201856%
Dec 300°C-5°C6°C 2020-13°C 201356%
Dec 310°C-6°C6°C 2022-11°C 201856%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Conception Bay South, in percent.0204060801102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT-3:30).

December 1
sunrise 7:29 AM, sunset 4:13 PM
December 31
sunrise 7:50 AM, sunset 4:20 PM

Every day of December: sun and moon

Other months

Sources

Records: NOAA GHCN-Daily, station CA008403603, every year on file, quality-flagged values removed. 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.