Soyo Weather in December

NASA POWER reanalysis for the half-degree grid cell around Soyo, 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 112 mm over about 22 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: 112 mm
Reanalysis high: 35°CDec 27, 1997
Reanalysis low: 21°CDec 4, 1996
Daylight: 12 h 27 min to 12 h 29 min
Cloud cover: 77%
Humidity: 83%
Dew point: 23°C
Wind: 9.7 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 2004	21°C 1996	83%
Dec 2	29°C	24°C	33°C 2004	21°C 1996	83%
Dec 3	29°C	24°C	33°C 2017	21°C 1996	83%
Dec 4	29°C	24°C	32°C 2006	21°C 1996	82%
Dec 5	29°C	24°C	32°C 2017	22°C 1996	80%
Dec 6	29°C	24°C	34°C 2015	22°C 1996	78%
Dec 7	29°C	24°C	32°C 2015	22°C 1996	77%
Dec 8	29°C	24°C	32°C 1997	22°C 1998	74%
Dec 9	29°C	24°C	32°C 2015	23°C 1992	73%
Dec 10	29°C	24°C	33°C 2015	23°C 2012	72%
Dec 11	29°C	24°C	33°C 2016	23°C 2007	73%
Dec 12	29°C	24°C	32°C 2004	23°C 2011	72%
Dec 13	29°C	24°C	32°C 1997	23°C 1992	71%
Dec 14	29°C	24°C	33°C 1997	23°C 2010	70%
Dec 15	29°C	24°C	33°C 2017	23°C 2011	68%
Dec 16	29°C	24°C	33°C 2008	22°C 2011	67%
Dec 17	29°C	24°C	33°C 1997	23°C 1992	66%
Dec 18	29°C	24°C	34°C 1997	23°C 1991	64%
Dec 19	29°C	24°C	33°C 1997	23°C 2011	62%
Dec 20	30°C	24°C	33°C 2008	23°C 1992	63%
Dec 21	30°C	24°C	32°C 1997	22°C 1991	62%
Dec 22	30°C	24°C	35°C 2016	22°C 1991	63%
Dec 23	29°C	24°C	32°C 2016	22°C 1991	63%
Dec 24	29°C	24°C	33°C 1997	22°C 1991	63%
Dec 25	30°C	24°C	32°C 2017	21°C 1991	63%
Dec 26	30°C	24°C	33°C 1997	22°C 1991	62%
Dec 27	30°C	24°C	35°C 1997	21°C 1991	62%
Dec 28	30°C	24°C	33°C 2008	21°C 1991	62%
Dec 29	30°C	24°C	33°C 2016	22°C 1991	62%
Dec 30	30°C	24°C	31°C 2002	22°C 1991	63%
Dec 31	30°C	24°C	33°C 2008	22°C 1991	63%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

December 1: sunrise 5:46 AM, sunset 6:13 PM
December 31: sunrise 5:59 AM, sunset 6:28 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.