Plettenberg Bay Weather in December

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

Average highs run from 23°C on December 1 to 25°C on December 31, and lows from 15°C to 17°C. Normal precipitation for the month is 43 mm over about 9 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: 24°C
Average low: 16°C
Precipitation: 43 mm
Reanalysis high: 37°CDec 7, 2002
Reanalysis low: 11°CDec 26, 2003
Daylight: 14 h 15 min to 14 h 23 min
Cloud cover: 46%
Humidity: 74%
Dew point: 14°C
Wind: 14.8 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	23°C	15°C	28°C 1999	13°C 2009	27%
Dec 2	23°C	15°C	30°C 2019	13°C 2020	26%
Dec 3	23°C	16°C	30°C 2016	12°C 1996	26%
Dec 4	23°C	16°C	31°C 2004	13°C 2019	25%
Dec 5	23°C	16°C	31°C 2011	13°C 1991	24%
Dec 6	23°C	16°C	32°C 2006	13°C 2014	24%
Dec 7	23°C	16°C	37°C 2002	12°C 2010	24%
Dec 8	23°C	16°C	30°C 2017	14°C 2005	24%
Dec 9	23°C	16°C	27°C 1999	13°C 2011	24%
Dec 10	23°C	16°C	29°C 1996	14°C 2006	24%
Dec 11	23°C	16°C	29°C 2002	12°C 1994	23%
Dec 12	24°C	16°C	31°C 2004	13°C 1994	22%
Dec 13	24°C	16°C	31°C 1999	13°C 2005	22%
Dec 14	24°C	16°C	33°C 1991	13°C 2009	22%
Dec 15	24°C	16°C	31°C 2001	13°C 2017	24%
Dec 16	24°C	16°C	29°C 2003	14°C 1995	25%
Dec 17	24°C	16°C	34°C 2019	13°C 1997	26%
Dec 18	24°C	17°C	34°C 1991	13°C 1997	28%
Dec 19	24°C	17°C	28°C 1998	14°C 2007	29%
Dec 20	24°C	17°C	34°C 1997	13°C 2017	30%
Dec 21	24°C	17°C	31°C 2012	15°C 1991	31%
Dec 22	24°C	17°C	30°C 2012	14°C 1997	30%
Dec 23	24°C	17°C	29°C 2019	14°C 1998	30%
Dec 24	24°C	17°C	29°C 1991	14°C 2008	30%
Dec 25	24°C	17°C	27°C 1992	13°C 2008	31%
Dec 26	24°C	17°C	31°C 1996	11°C 2003	31%
Dec 27	24°C	17°C	29°C 2013	13°C 2003	31%
Dec 28	24°C	17°C	30°C 2001	14°C 2003	31%
Dec 29	24°C	17°C	32°C 2004	15°C 2003	31%
Dec 30	25°C	17°C	34°C 2015	15°C 2005	31%
Dec 31	25°C	17°C	30°C 2018	14°C 2006	32%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+2).

December 1: sunrise 5:08 AM, sunset 7:23 PM
December 31: sunrise 5:18 AM, sunset 7:41 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.