Wenchang Weather in December

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

Average highs run from 24°C on December 1 to 22°C on December 31, and lows from 23°C to 21°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 low
Normal high
Reanalysis extreme high
Reanalysis extreme low

December at a glance

Average high: 23°C
Average low: 22°C
Precipitation: 50 mm
Reanalysis high: 27°CDec 18, 2002
Reanalysis low: 14°CDec 28, 1991
Daylight: 11 h 03 min to 10 h 58 min
Cloud cover: 75%
Humidity: 80%
Dew point: 19°C
Wind: 26.6 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	24°C	23°C	27°C 2012	21°C 2003	26%
Dec 2	24°C	23°C	26°C 1998	19°C 2011	26%
Dec 3	24°C	23°C	26°C 1998	20°C 2011	26%
Dec 4	24°C	23°C	26°C 2015	19°C 2020	25%
Dec 5	24°C	23°C	26°C 2018	20°C 2020	24%
Dec 6	24°C	22°C	26°C 2018	18°C 2005	24%
Dec 7	24°C	22°C	26°C 2002	19°C 2005	26%
Dec 8	24°C	22°C	26°C 2002	19°C 2019	28%
Dec 9	23°C	22°C	25°C 2001	18°C 2011	29%
Dec 10	23°C	22°C	26°C 2001	17°C 2011	29%
Dec 11	23°C	22°C	25°C 2012	17°C 2011	29%
Dec 12	23°C	22°C	26°C 2015	19°C 2014	29%
Dec 13	23°C	22°C	26°C 2015	19°C 2000	28%
Dec 14	23°C	22°C	26°C 2015	19°C 1998	28%
Dec 15	23°C	21°C	25°C 2012	19°C 1998	27%
Dec 16	23°C	21°C	25°C 2001	15°C 2010	27%
Dec 17	23°C	21°C	26°C 2002	16°C 2010	26%
Dec 18	23°C	21°C	27°C 2002	17°C 2013	26%
Dec 19	23°C	21°C	26°C 2002	16°C 2013	26%
Dec 20	23°C	21°C	26°C 2002	17°C 2003	26%
Dec 21	23°C	21°C	25°C 2018	17°C 1999	26%
Dec 22	22°C	21°C	26°C 1997	15°C 1999	26%
Dec 23	22°C	21°C	25°C 2015	15°C 1999	24%
Dec 24	22°C	21°C	25°C 2015	17°C 1999	23%
Dec 25	22°C	21°C	25°C 2016	18°C 2011	23%
Dec 26	22°C	21°C	25°C 2016	17°C 2010	23%
Dec 27	22°C	21°C	24°C 1997	17°C 2002	23%
Dec 28	22°C	21°C	25°C 1997	14°C 1991	24%
Dec 29	22°C	21°C	24°C 1997	15°C 1991	25%
Dec 30	22°C	21°C	24°C 1998	15°C 2012	25%
Dec 31	22°C	21°C	25°C 1998	15°C 2004	24%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+8).

December 1: sunrise 6:54 AM, sunset 5:57 PM
December 31: sunrise 7:11 AM, sunset 6:09 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.