Duiwelskloof Weather in December

NASA POWER reanalysis for the half-degree grid cell around Duiwelskloof, 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 17°C to 18°C. Normal precipitation for the month is 121 mm over about 19 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: 18°C
Precipitation: 121 mm
Reanalysis high: 39°CDec 26, 2019
Reanalysis low: 8°CDec 12, 1994
Daylight: 13 h 29 min to 13 h 35 min
Cloud cover: 68%
Humidity: 65%
Dew point: 15°C
Wind: 10.4 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	17°C	39°C 2016	11°C 1997	57%
Dec 2	30°C	17°C	39°C 2018	12°C 1995	58%
Dec 3	30°C	17°C	38°C 1997	11°C 2014	59%
Dec 4	30°C	17°C	38°C 1992	11°C 1998	60%
Dec 5	30°C	17°C	38°C 2018	11°C 2019	60%
Dec 6	30°C	17°C	35°C 2015	11°C 1998	60%
Dec 7	30°C	17°C	37°C 2015	14°C 1991	59%
Dec 8	30°C	17°C	38°C 2003	13°C 2017	59%
Dec 9	30°C	17°C	39°C 2003	13°C 2017	61%
Dec 10	30°C	17°C	35°C 2006	14°C 1994	63%
Dec 11	30°C	17°C	35°C 2020	11°C 1994	64%
Dec 12	30°C	17°C	38°C 2015	8°C 1994	64%
Dec 13	30°C	17°C	35°C 2015	9°C 1994	64%
Dec 14	30°C	18°C	38°C 2003	13°C 1993	65%
Dec 15	30°C	18°C	37°C 2002	13°C 2009	64%
Dec 16	30°C	18°C	35°C 2012	13°C 2019	64%
Dec 17	30°C	18°C	38°C 1997	14°C 2019	62%
Dec 18	30°C	18°C	36°C 1993	13°C 2007	61%
Dec 19	30°C	18°C	35°C 2015	11°C 2007	61%
Dec 20	30°C	18°C	37°C 1999	12°C 2007	61%
Dec 21	31°C	18°C	37°C 2015	13°C 1997	62%
Dec 22	30°C	18°C	37°C 1994	15°C 1991	62%
Dec 23	30°C	18°C	36°C 1994	15°C 2013	63%
Dec 24	30°C	18°C	38°C 2015	15°C 2007	62%
Dec 25	30°C	18°C	38°C 2019	14°C 1992	62%
Dec 26	30°C	18°C	39°C 2019	11°C 1992	62%
Dec 27	30°C	18°C	39°C 2018	14°C 2017	63%
Dec 28	30°C	18°C	35°C 2017	14°C 2003	63%
Dec 29	30°C	18°C	35°C 2009	15°C 2001	62%
Dec 30	30°C	18°C	35°C 1991	14°C 2007	62%
Dec 31	30°C	18°C	37°C 2003	14°C 2007	60%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

December 1: sunrise 5:04 AM, sunset 6:33 PM
December 31: sunrise 5:15 AM, sunset 6:50 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.