Mombaça Weather in December

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

Average highs run from 37°C on December 1 to 36°C on December 31, and lows from 24°C to 23°C. Normal precipitation for the month is 28 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: 37°C
Average low: 24°C
Precipitation: 28 mm
Reanalysis high: 40°CDec 24, 2019
Reanalysis low: 21°CDec 21, 2000
Daylight: 12 h 26 min to 12 h 27 min
Cloud cover: 55%
Humidity: 55%
Dew point: 18°C
Wind: 20.2 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	37°C	24°C	39°C 2015	22°C 2004	5%
Dec 2	37°C	24°C	39°C 2019	22°C 1994	5%
Dec 3	37°C	24°C	40°C 2019	22°C 1994	6%
Dec 4	37°C	24°C	39°C 2019	22°C 1994	6%
Dec 5	37°C	24°C	39°C 1997	22°C 1992	6%
Dec 6	37°C	24°C	39°C 1997	23°C 1995	6%
Dec 7	37°C	24°C	39°C 1997	21°C 2006	7%
Dec 8	37°C	24°C	39°C 2003	22°C 1994	7%
Dec 9	37°C	24°C	39°C 2015	21°C 1993	8%
Dec 10	37°C	24°C	38°C 2015	22°C 2005	9%
Dec 11	37°C	24°C	39°C 2016	22°C 2018	10%
Dec 12	37°C	24°C	39°C 2016	22°C 2018	10%
Dec 13	37°C	24°C	39°C 1998	21°C 2005	10%
Dec 14	37°C	24°C	39°C 2015	21°C 2005	11%
Dec 15	37°C	24°C	39°C 2019	22°C 2005	12%
Dec 16	36°C	24°C	39°C 2002	21°C 2000	12%
Dec 17	36°C	24°C	38°C 2002	21°C 2005	12%
Dec 18	36°C	24°C	38°C 2008	21°C 2000	12%
Dec 19	36°C	24°C	39°C 1997	21°C 2010	13%
Dec 20	36°C	24°C	39°C 2019	22°C 2010	14%
Dec 21	36°C	24°C	38°C 1996	21°C 2000	15%
Dec 22	36°C	24°C	39°C 2019	22°C 1991	15%
Dec 23	36°C	24°C	39°C 2019	21°C 2010	16%
Dec 24	36°C	24°C	40°C 2019	22°C 1999	17%
Dec 25	36°C	24°C	39°C 2019	22°C 2000	18%
Dec 26	36°C	24°C	38°C 2001	21°C 2000	20%
Dec 27	36°C	24°C	38°C 2004	22°C 2018	21%
Dec 28	36°C	24°C	38°C 2008	21°C 2010	23%
Dec 29	36°C	24°C	38°C 2019	22°C 2013	24%
Dec 30	36°C	24°C	38°C 1996	22°C 1991	25%
Dec 31	36°C	23°C	39°C 2003	21°C 2010	27%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT-3).

December 1: sunrise 5:15 AM, sunset 5:41 PM
December 31: sunrise 5:28 AM, sunset 5:55 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.