Georgetown climate

Georgetown Weather in December

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

Average highs run from 3°C on December 1 to -1°C on December 31, and lows from -3°C to -8°C. Normal precipitation for the month is 50 mm over about 9 wet days.

December day by day

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

Normal daily high and low temperature at Georgetown, 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
-6°C
Precipitation
50 mm
Reanalysis high
17°CDec 4, 1998
Reanalysis low
-24°CDec 27, 2004
Daylight
9 h 11 min to 9 h 00 min
Cloud cover
77%
Humidity
88%
Dew point
-5°C
Wind
19.1 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 13°C-3°C10°C 1996-10°C 200738%
Dec 23°C-4°C14°C 1998-14°C 200239%
Dec 33°C-4°C15°C 1998-16°C 200238%
Dec 43°C-4°C17°C 1998-11°C 200738%
Dec 52°C-4°C16°C 2001-14°C 200736%
Dec 62°C-5°C16°C 1998-14°C 200736%
Dec 72°C-5°C14°C 1998-15°C 200836%
Dec 82°C-5°C8°C 1991-13°C 200634%
Dec 92°C-5°C11°C 2015-14°C 199534%
Dec 101°C-5°C9°C 2015-13°C 199534%
Dec 111°C-6°C11°C 2015-12°C 199432%
Dec 121°C-6°C8°C 2020-18°C 200831%
Dec 131°C-6°C10°C 2001-18°C 200831%
Dec 141°C-6°C16°C 2015-16°C 200731%
Dec 151°C-6°C12°C 2011-17°C 200732%
Dec 161°C-6°C6°C 2012-15°C 201334%
Dec 170°C-6°C10°C 2006-15°C 201334%
Dec 180°C-7°C5°C 1997-16°C 201634%
Dec 190°C-7°C6°C 2011-21°C 201634%
Dec 200°C-7°C6°C 2006-20°C 200433%
Dec 210°C-7°C6°C 2006-15°C 200833%
Dec 220°C-7°C11°C 2015-19°C 200033%
Dec 230°C-7°C14°C 2015-17°C 200033%
Dec 240°C-7°C14°C 2015-21°C 201335%
Dec 250°C-7°C10°C 2015-22°C 200434%
Dec 26-1°C-8°C8°C 2016-18°C 200435%
Dec 27-1°C-8°C8°C 2008-24°C 200436%
Dec 28-1°C-8°C10°C 2008-19°C 200037%
Dec 29-1°C-8°C5°C 2003-19°C 200037%
Dec 30-1°C-8°C8°C 2019-18°C 201739%
Dec 31-1°C-8°C7°C 2004-20°C 201738%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Georgetown, in percent.0102030401102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (EST).

December 1
sunrise 7:33 AM, sunset 4:44 PM
December 31
sunrise 7:53 AM, sunset 4:53 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.