Karoi Weather in December

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

Average highs run from 32°C on December 1 to 29°C on December 31, and lows from 19°C to 19°C. Normal precipitation for the month is 164 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: 30°C
Average low: 19°C
Precipitation: 164 mm
Reanalysis high: 39°CDec 10, 2015
Reanalysis low: 14°CDec 13, 1994
Daylight: 13 h 03 min to 13 h 07 min
Cloud cover: 74%
Humidity: 68%
Dew point: 17°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	32°C	19°C	37°C 2019	16°C 1992	58%
Dec 2	32°C	19°C	37°C 2002	17°C 1992	58%
Dec 3	32°C	19°C	38°C 2019	15°C 2003	59%
Dec 4	31°C	19°C	38°C 2019	15°C 2003	60%
Dec 5	31°C	19°C	38°C 2014	15°C 1998	62%
Dec 6	31°C	19°C	38°C 2014	16°C 2000	64%
Dec 7	31°C	19°C	38°C 2015	17°C 1998	66%
Dec 8	31°C	19°C	38°C 2015	17°C 2010	68%
Dec 9	31°C	19°C	38°C 2015	17°C 2010	70%
Dec 10	31°C	19°C	39°C 2015	18°C 2010	71%
Dec 11	30°C	19°C	36°C 1997	17°C 2002	72%
Dec 12	30°C	19°C	36°C 2015	16°C 1994	74%
Dec 13	30°C	19°C	37°C 1997	14°C 1994	75%
Dec 14	30°C	19°C	37°C 1997	16°C 1994	76%
Dec 15	30°C	19°C	36°C 1997	16°C 1993	77%
Dec 16	30°C	19°C	36°C 1994	15°C 2000	77%
Dec 17	30°C	19°C	36°C 1997	15°C 2004	78%
Dec 18	30°C	19°C	38°C 1994	16°C 1999	77%
Dec 19	30°C	19°C	37°C 1994	17°C 2001	77%
Dec 20	30°C	19°C	37°C 2019	16°C 2011	77%
Dec 21	30°C	19°C	35°C 2019	17°C 2004	77%
Dec 22	29°C	19°C	36°C 2019	16°C 2011	77%
Dec 23	29°C	19°C	37°C 1997	18°C 2011	77%
Dec 24	29°C	19°C	37°C 2019	17°C 2000	78%
Dec 25	29°C	19°C	34°C 1997	17°C 2000	78%
Dec 26	29°C	19°C	35°C 2019	16°C 1992	78%
Dec 27	29°C	19°C	36°C 2019	17°C 2010	77%
Dec 28	29°C	19°C	36°C 1997	17°C 2002	77%
Dec 29	29°C	19°C	36°C 1997	17°C 1991	78%
Dec 30	29°C	19°C	36°C 2019	16°C 1991	78%
Dec 31	29°C	19°C	38°C 2019	16°C 1991	78%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

December 1: sunrise 5:19 AM, sunset 6:22 PM
December 31: sunrise 5:31 AM, sunset 6:38 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.