Beihai Weather in December

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

Average highs run from 22°C on December 1 to 19°C on December 31, and lows from 17°C to 14°C. Normal precipitation for the month is 31 mm over about 6 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: 20°C
Average low: 15°C
Precipitation: 31 mm
Reanalysis high: 27°CDec 2, 1998
Reanalysis low: 4°CDec 27, 2002
Daylight: 10 h 55 min to 10 h 51 min
Cloud cover: 62%
Humidity: 76%
Dew point: 13°C
Wind: 22.0 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	22°C	17°C	26°C 1998	12°C 2011	20%
Dec 2	22°C	17°C	27°C 1998	10°C 2011	19%
Dec 3	22°C	16°C	26°C 2004	12°C 2019	19%
Dec 4	22°C	16°C	26°C 2018	11°C 2020	18%
Dec 5	22°C	16°C	26°C 2018	11°C 2020	18%
Dec 6	21°C	16°C	27°C 2018	9°C 2005	19%
Dec 7	21°C	16°C	26°C 2002	10°C 2005	20%
Dec 8	21°C	16°C	26°C 2006	12°C 2002	21%
Dec 9	21°C	15°C	24°C 1992	9°C 2002	20%
Dec 10	21°C	15°C	25°C 1992	10°C 2011	20%
Dec 11	21°C	15°C	25°C 1994	9°C 2011	18%
Dec 12	20°C	15°C	24°C 1994	9°C 2018	18%
Dec 13	20°C	15°C	24°C 2010	10°C 2014	18%
Dec 14	20°C	15°C	23°C 2012	9°C 2001	18%
Dec 15	20°C	15°C	24°C 2012	8°C 2010	17%
Dec 16	20°C	15°C	24°C 2002	6°C 2010	17%
Dec 17	20°C	15°C	25°C 1991	8°C 1993	17%
Dec 18	20°C	14°C	24°C 2002	8°C 2017	17%
Dec 19	20°C	14°C	25°C 1998	8°C 2013	18%
Dec 20	20°C	14°C	26°C 1998	8°C 2017	18%
Dec 21	20°C	14°C	26°C 1998	8°C 1999	17%
Dec 22	20°C	14°C	26°C 1998	6°C 1999	16%
Dec 23	20°C	14°C	25°C 1998	5°C 1999	16%
Dec 24	20°C	14°C	24°C 1998	8°C 1999	15%
Dec 25	20°C	14°C	24°C 1991	9°C 1999	15%
Dec 26	20°C	14°C	24°C 1991	5°C 2002	15%
Dec 27	20°C	14°C	23°C 1991	4°C 2002	16%
Dec 28	20°C	14°C	24°C 1998	4°C 1991	17%
Dec 29	19°C	14°C	24°C 1998	6°C 1991	18%
Dec 30	19°C	14°C	23°C 1997	7°C 2018	18%
Dec 31	19°C	14°C	24°C 1998	6°C 2018	19%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

December 1: sunrise 7:05 AM, sunset 6:00 PM
December 31: sunrise 7:21 AM, sunset 6:12 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.