Semi Weather in December

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

Average highs run from 30°C on December 1 to 30°C on December 31, and lows from 25°C to 23°C. Normal precipitation for the month is 19 mm over about 3 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: 30°C
Average low: 24°C
Precipitation: 19 mm
Reanalysis high: 33°CDec 13, 1992
Reanalysis low: 19°CDec 16, 2015
Daylight: 11 h 47 min to 11 h 45 min
Cloud cover: 35%
Humidity: 78%
Dew point: 22°C
Wind: 8.3 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	30°C	25°C	31°C 1992	21°C 1992	26%
Dec 2	30°C	25°C	32°C 1992	21°C 2011	26%
Dec 3	30°C	25°C	32°C 1992	21°C 2011	26%
Dec 4	30°C	25°C	32°C 1992	21°C 2011	26%
Dec 5	30°C	25°C	32°C 1992	22°C 2015	25%
Dec 6	30°C	24°C	32°C 2000	22°C 1994	24%
Dec 7	30°C	24°C	32°C 1992	21°C 1994	23%
Dec 8	30°C	24°C	32°C 1992	20°C 2015	22%
Dec 9	30°C	24°C	32°C 1991	21°C 1994	22%
Dec 10	30°C	24°C	31°C 2001	20°C 1994	20%
Dec 11	30°C	24°C	32°C 1991	21°C 2011	19%
Dec 12	30°C	24°C	32°C 1992	21°C 2011	18%
Dec 13	30°C	24°C	33°C 1992	21°C 2011	18%
Dec 14	30°C	24°C	33°C 1992	21°C 1994	18%
Dec 15	30°C	24°C	32°C 2018	21°C 2015	17%
Dec 16	30°C	24°C	32°C 2001	19°C 2015	16%
Dec 17	30°C	24°C	32°C 1992	19°C 2015	14%
Dec 18	30°C	24°C	32°C 2000	19°C 2013	13%
Dec 19	30°C	24°C	32°C 2005	20°C 2015	12%
Dec 20	30°C	24°C	32°C 2001	21°C 1998	10%
Dec 21	31°C	24°C	32°C 2016	21°C 2015	10%
Dec 22	31°C	24°C	33°C 2001	21°C 2007	9%
Dec 23	31°C	24°C	32°C 1992	20°C 2015	8%
Dec 24	31°C	24°C	32°C 1994	20°C 2002	8%
Dec 25	31°C	24°C	33°C 1994	20°C 2015	8%
Dec 26	31°C	24°C	33°C 1994	19°C 2002	8%
Dec 27	31°C	24°C	33°C 1994	19°C 2002	9%
Dec 28	31°C	24°C	33°C 1994	20°C 2002	9%
Dec 29	31°C	23°C	33°C 1994	21°C 2015	9%
Dec 30	30°C	23°C	33°C 2000	20°C 2015	9%
Dec 31	30°C	23°C	33°C 1992	20°C 2019	9%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+1).

December 1: sunrise 6:45 AM, sunset 6:32 PM
December 31: sunrise 7:00 AM, sunset 6:45 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.