Vaalwater Weather in December

NASA POWER reanalysis for the half-degree grid cell around Vaalwater, 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 31°C on December 31, and lows from 16°C to 17°C. Normal precipitation for the month is 90 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: 17°C
Precipitation: 90 mm
Reanalysis high: 38°CDec 4, 2018
Reanalysis low: 8°CDec 4, 1998
Daylight: 13 h 31 min to 13 h 37 min
Cloud cover: 68%
Humidity: 57%
Dew point: 13°C
Wind: 11.5 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	16°C	37°C 2016	8°C 1995	53%
Dec 2	30°C	16°C	37°C 2018	10°C 1995	54%
Dec 3	30°C	16°C	36°C 2019	11°C 1998	55%
Dec 4	30°C	16°C	38°C 2018	8°C 1998	57%
Dec 5	30°C	16°C	37°C 2018	10°C 1998	56%
Dec 6	30°C	16°C	36°C 2015	10°C 1998	56%
Dec 7	30°C	16°C	38°C 2015	13°C 1998	56%
Dec 8	30°C	16°C	35°C 2003	13°C 2017	56%
Dec 9	30°C	17°C	36°C 2003	13°C 2017	58%
Dec 10	30°C	17°C	37°C 2003	12°C 1995	59%
Dec 11	30°C	17°C	35°C 2003	12°C 1994	59%
Dec 12	30°C	17°C	36°C 2003	11°C 1994	59%
Dec 13	30°C	17°C	36°C 2018	9°C 1994	58%
Dec 14	30°C	17°C	36°C 2003	13°C 1993	60%
Dec 15	30°C	17°C	37°C 2006	13°C 2009	60%
Dec 16	30°C	17°C	35°C 2018	14°C 2019	60%
Dec 17	30°C	17°C	35°C 2003	13°C 2008	58%
Dec 18	30°C	17°C	36°C 2009	14°C 2007	58%
Dec 19	31°C	17°C	36°C 2015	12°C 2007	57%
Dec 20	31°C	17°C	37°C 2018	12°C 2007	58%
Dec 21	31°C	17°C	37°C 2015	13°C 1996	59%
Dec 22	31°C	17°C	37°C 2015	14°C 1991	58%
Dec 23	31°C	17°C	34°C 2015	14°C 2007	59%
Dec 24	31°C	17°C	38°C 2015	13°C 2007	59%
Dec 25	31°C	17°C	36°C 2018	13°C 1992	60%
Dec 26	31°C	17°C	37°C 2018	12°C 1992	59%
Dec 27	31°C	17°C	36°C 2018	13°C 1992	59%
Dec 28	31°C	17°C	35°C 2017	14°C 2003	58%
Dec 29	31°C	17°C	35°C 2015	14°C 2001	57%
Dec 30	31°C	17°C	35°C 2020	12°C 2007	56%
Dec 31	31°C	17°C	35°C 2017	12°C 2007	54%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

December 1: sunrise 5:11 AM, sunset 6:42 PM
December 31: sunrise 5:22 AM, sunset 6:59 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.