Sumbe Weather in December

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

Average highs run from 29°C on December 1 to 30°C on December 31, and lows from 24°C to 24°C. Normal precipitation for the month is 34 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: 29°C
Average low: 24°C
Precipitation: 34 mm
Reanalysis high: 33°CDec 27, 1997
Reanalysis low: 20°CDec 25, 1991
Daylight: 12 h 44 min to 12 h 47 min
Cloud cover: 81%
Humidity: 77%
Dew point: 22°C
Wind: 11.9 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	29°C	24°C	32°C 2016	21°C 1996	36%
Dec 2	29°C	24°C	31°C 2016	21°C 1996	36%
Dec 3	29°C	24°C	31°C 2005	21°C 1996	35%
Dec 4	29°C	24°C	31°C 1997	21°C 1996	34%
Dec 5	29°C	24°C	31°C 2019	22°C 1996	32%
Dec 6	29°C	24°C	31°C 2003	22°C 1996	31%
Dec 7	29°C	24°C	32°C 2015	22°C 1996	31%
Dec 8	29°C	24°C	32°C 2015	22°C 1996	30%
Dec 9	29°C	24°C	31°C 2006	23°C 1996	29%
Dec 10	29°C	24°C	31°C 2001	23°C 2018	28%
Dec 11	29°C	24°C	31°C 2006	23°C 2011	27%
Dec 12	29°C	24°C	31°C 2016	23°C 2007	25%
Dec 13	29°C	24°C	31°C 2019	23°C 1992	23%
Dec 14	29°C	24°C	31°C 2005	22°C 2007	22%
Dec 15	29°C	24°C	32°C 2019	22°C 1992	22%
Dec 16	29°C	24°C	31°C 2006	22°C 2013	21%
Dec 17	29°C	24°C	33°C 2019	22°C 1991	21%
Dec 18	29°C	24°C	32°C 2010	22°C 1992	21%
Dec 19	29°C	24°C	32°C 2005	23°C 1992	21%
Dec 20	29°C	24°C	31°C 2016	22°C 1992	20%
Dec 21	29°C	24°C	32°C 2019	22°C 1991	20%
Dec 22	29°C	24°C	33°C 2016	21°C 1991	21%
Dec 23	30°C	24°C	32°C 2016	21°C 1991	21%
Dec 24	30°C	24°C	31°C 2016	21°C 1991	21%
Dec 25	30°C	24°C	32°C 2019	20°C 1991	21%
Dec 26	30°C	24°C	32°C 2016	21°C 1991	21%
Dec 27	30°C	24°C	33°C 1997	22°C 1991	22%
Dec 28	30°C	24°C	31°C 1997	22°C 1991	23%
Dec 29	30°C	24°C	32°C 2020	22°C 1991	24%
Dec 30	30°C	24°C	32°C 2003	22°C 2001	23%
Dec 31	30°C	24°C	32°C 1997	22°C 2007	24%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

December 1: sunrise 5:32 AM, sunset 6:16 PM
December 31: sunrise 5:44 AM, sunset 6:31 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.