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 28°C on December 1 to 28°C on December 31, and lows from 27°C to 26°C. Normal precipitation for the month is 225 mm over about 23 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 Georgetown, in °C, with the record for each date.20253035151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
28°C
Average low
26°C
Precipitation
225 mm
Record high
33°CDec 2, 2023
Record low
21°CDec 3, 2005
Daylight
11 h 45 min to 11 h 44 min
Cloud cover
60%
Humidity
82%
Dew point
24°C
Wind
17.3 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 128°C27°C32°C 201624°C 201378%
Dec 228°C26°C33°C 202322°C 201478%
Dec 328°C26°C32°C 200421°C 200578%
Dec 428°C26°C32°C 201623°C 198078%
Dec 528°C26°C32°C 201921°C 202278%
Dec 628°C26°C32°C 200123°C 202279%
Dec 728°C26°C32°C 200423°C 201878%
Dec 828°C26°C32°C 201622°C 197977%
Dec 928°C26°C32°C 200722°C 200176%
Dec 1028°C26°C32°C 202322°C 197976%
Dec 1128°C26°C32°C 200422°C 197976%
Dec 1228°C26°C31°C 200422°C 197976%
Dec 1328°C26°C32°C 200122°C 200076%
Dec 1428°C26°C32°C 200423°C 201375%
Dec 1528°C26°C31°C 202022°C 202076%
Dec 1628°C26°C33°C 202323°C 201974%
Dec 1728°C26°C32°C 202422°C 202274%
Dec 1828°C26°C31°C 202323°C 202273%
Dec 1928°C26°C33°C 202423°C 199973%
Dec 2028°C26°C32°C 200422°C 201373%
Dec 2128°C26°C32°C 202323°C 200073%
Dec 2228°C26°C32°C 202321°C 200073%
Dec 2328°C26°C32°C 199621°C 202274%
Dec 2428°C26°C33°C 202322°C 199974%
Dec 2528°C26°C32°C 200023°C 201573%
Dec 2628°C26°C32°C 201021°C 197973%
Dec 2728°C26°C31°C 202323°C 200074%
Dec 2828°C26°C31°C 201023°C 199973%
Dec 2928°C26°C32°C 202323°C 201472%
Dec 3028°C26°C32°C 199923°C 201870%
Dec 3128°C26°C31°C 202323°C 201071%

Chance of rain

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

Sunrise and sunset

Times for 2026, local time (GMT-4).

December 1
sunrise 5:49 AM, sunset 5:34 PM
December 31
sunrise 6:04 AM, sunset 5:48 PM

Every day of December: sun and moon

Other months

Sources

Records: NOAA GHCN-Daily, station GYM00081001, 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 2026-09-26. Sun and moon: computed with the NOAA solar equations and Meeus.