Richmond Weather in December

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

Average highs run from 25°C on December 1 to 26°C on December 31, and lows from 16°C to 18°C. Normal precipitation for the month is 225 mm over about 26 wet days.

December day by day

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

Normal low
Normal high
Reanalysis extreme high
Reanalysis extreme low

December at a glance

Average high: 26°C
Average low: 17°C
Precipitation: 225 mm
Reanalysis high: 39°CDec 16, 1997
Reanalysis low: 9°CDec 13, 1994
Daylight: 13 h 56 min to 14 h 02 min
Cloud cover: 76%
Humidity: 84%
Dew point: 18°C
Wind: 14.4 km/h

Every day of the month

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

Date	Normal high	Normal low	Reanalysis high	Reanalysis low	Chance wet
Dec 1	25°C	16°C	34°C 2015	10°C 1995	82%
Dec 2	25°C	16°C	33°C 2008	13°C 2014	83%
Dec 3	25°C	16°C	33°C 2006	13°C 2014	84%
Dec 4	25°C	16°C	34°C 2004	13°C 1991	84%
Dec 5	25°C	16°C	32°C 2004	11°C 1998	84%
Dec 6	25°C	16°C	35°C 2018	11°C 1991	84%
Dec 7	25°C	16°C	35°C 2018	12°C 2010	84%
Dec 8	25°C	16°C	34°C 1994	13°C 2010	85%
Dec 9	25°C	16°C	32°C 2001	11°C 2005	86%
Dec 10	25°C	16°C	32°C 2007	13°C 2006	86%
Dec 11	25°C	16°C	33°C 2003	11°C 2006	85%
Dec 12	26°C	16°C	32°C 2014	11°C 1994	84%
Dec 13	26°C	17°C	32°C 2003	9°C 1994	83%
Dec 14	26°C	17°C	32°C 2020	13°C 1994	84%
Dec 15	26°C	17°C	33°C 2005	12°C 2017	84%
Dec 16	26°C	17°C	39°C 1997	11°C 2019	83%
Dec 17	26°C	17°C	35°C 2018	13°C 2019	82%
Dec 18	26°C	17°C	35°C 2018	13°C 1997	83%
Dec 19	26°C	17°C	32°C 2008	13°C 1996	83%
Dec 20	26°C	17°C	29°C 1994	11°C 2007	83%
Dec 21	26°C	17°C	36°C 1994	13°C 1993	84%
Dec 22	26°C	17°C	35°C 2008	14°C 1995	83%
Dec 23	26°C	17°C	33°C 2016	13°C 1995	83%
Dec 24	26°C	17°C	35°C 2003	15°C 2008	82%
Dec 25	26°C	17°C	37°C 2014	14°C 2008	83%
Dec 26	26°C	17°C	31°C 2009	12°C 2017	83%
Dec 27	26°C	18°C	33°C 2004	10°C 2003	84%
Dec 28	26°C	18°C	30°C 2009	13°C 2003	84%
Dec 29	26°C	18°C	35°C 2020	14°C 2005	83%
Dec 30	26°C	18°C	31°C 2002	14°C 2005	81%
Dec 31	26°C	18°C	33°C 1997	13°C 2007	82%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+2).

December 1: sunrise 4:50 AM, sunset 6:46 PM
December 31: sunrise 5:01 AM, sunset 7:03 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 2026-09-26. Sun and moon: computed with the NOAA solar equations and Meeus.