Postmasburg Weather in January

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

Average highs run from 34°C on January 1 to 33°C on January 31, and lows from 17°C to 18°C. Normal precipitation for the month is 59 mm over about 9 wet days.

January day by day

The normal high and low for each date, in °C.

Normal low
Normal high
Reanalysis extreme high
Reanalysis extreme low

January at a glance

Average high: 33°C
Average low: 18°C
Precipitation: 59 mm
Reanalysis high: 43°CJan 5, 2016
Reanalysis low: 5°CJan 10, 1998
Daylight: 13 h 54 min to 13 h 26 min
Cloud cover: 50%
Humidity: 35%
Dew point: 6°C
Wind: 14.4 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
Jan 1	34°C	17°C	38°C 2020	10°C 2007	25%
Jan 2	34°C	17°C	38°C 2014	7°C 2001	25%
Jan 3	34°C	17°C	39°C 2016	10°C 2001	26%
Jan 4	33°C	17°C	41°C 2016	12°C 2009	27%
Jan 5	33°C	17°C	43°C 2016	14°C 2013	27%
Jan 6	33°C	17°C	42°C 2016	16°C 2011	26%
Jan 7	33°C	17°C	39°C 1993	12°C 2002	26%
Jan 8	33°C	17°C	39°C 2012	8°C 2002	26%
Jan 9	33°C	17°C	38°C 2012	10°C 1991	26%
Jan 10	34°C	18°C	39°C 2016	5°C 1998	26%
Jan 11	33°C	18°C	38°C 2012	8°C 1998	28%
Jan 12	33°C	18°C	39°C 2001	9°C 2002	29%
Jan 13	33°C	17°C	39°C 2018	11°C 2002	30%
Jan 14	33°C	17°C	39°C 2018	9°C 2001	30%
Jan 15	33°C	17°C	39°C 1993	10°C 2001	30%
Jan 16	33°C	18°C	39°C 2020	9°C 2000	30%
Jan 17	33°C	18°C	39°C 1993	10°C 2000	31%
Jan 18	33°C	18°C	37°C 2009	9°C 2002	32%
Jan 19	33°C	18°C	38°C 2009	12°C 2002	33%
Jan 20	33°C	18°C	38°C 2009	13°C 2019	35%
Jan 21	33°C	18°C	37°C 2014	12°C 2003	34%
Jan 22	33°C	18°C	38°C 1993	16°C 2004	34%
Jan 23	33°C	18°C	38°C 2015	14°C 2009	35%
Jan 24	33°C	18°C	39°C 2015	14°C 2004	36%
Jan 25	33°C	18°C	38°C 1999	13°C 2004	36%
Jan 26	33°C	18°C	39°C 1999	10°C 2004	35%
Jan 27	33°C	18°C	39°C 1992	11°C 2020	34%
Jan 28	33°C	18°C	39°C 1992	10°C 2017	33%
Jan 29	33°C	18°C	38°C 1992	12°C 2000	32%
Jan 30	33°C	18°C	39°C 2020	14°C 2000	31%
Jan 31	33°C	18°C	38°C 2016	11°C 2000	32%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

January 1: sunrise 5:34 AM, sunset 7:28 PM
January 31: sunrise 5:58 AM, sunset 7:24 PM

Every day of January: 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.