Randfontein climate

Randfontein Weather in December

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

Average highs run from 29°C on December 1 to 30°C on December 31, and lows from 15°C to 16°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 daily high and low temperature at Randfontein, in °C, with the record for each date.010203040151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

December at a glance

Average high
29°C
Average low
16°C
Precipitation
121 mm
Reanalysis high
38°CDec 7, 2015
Reanalysis low
5°CDec 4, 1998
Daylight
13 h 39 min to 13 h 46 min
Cloud cover
64%
Humidity
60%
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.

DateNormal highNormal lowReanalysis highReanalysis lowChance wet
Dec 129°C15°C35°C 20165°C 199560%
Dec 229°C15°C37°C 20188°C 199561%
Dec 329°C15°C36°C 20199°C 199863%
Dec 429°C15°C37°C 20185°C 199865%
Dec 529°C15°C37°C 20188°C 199865%
Dec 629°C15°C38°C 20159°C 199866%
Dec 729°C15°C38°C 201512°C 201765%
Dec 829°C15°C35°C 201513°C 201765%
Dec 929°C15°C35°C 200313°C 199566%
Dec 1029°C15°C37°C 201512°C 200466%
Dec 1129°C15°C35°C 200311°C 200666%
Dec 1229°C15°C35°C 20038°C 199467%
Dec 1329°C15°C36°C 201811°C 199467%
Dec 1429°C15°C36°C 200311°C 201766%
Dec 1529°C16°C36°C 200312°C 201766%
Dec 1629°C16°C34°C 200610°C 201965%
Dec 1729°C16°C35°C 200313°C 201064%
Dec 1829°C16°C35°C 200911°C 199763%
Dec 1929°C16°C36°C 20158°C 200762%
Dec 2029°C16°C35°C 201511°C 200763%
Dec 2129°C16°C37°C 200312°C 200164%
Dec 2229°C16°C38°C 201513°C 200164%
Dec 2329°C16°C35°C 201513°C 199165%
Dec 2429°C16°C37°C 201514°C 200765%
Dec 2529°C16°C36°C 201810°C 199466%
Dec 2629°C16°C38°C 201811°C 199266%
Dec 2729°C16°C37°C 201811°C 200365%
Dec 2829°C16°C34°C 199214°C 200164%
Dec 2929°C16°C36°C 201512°C 199563%
Dec 3029°C16°C35°C 200813°C 200762%
Dec 3130°C16°C34°C 200312°C 200761%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Randfontein, in percent.0204060801102030
  • Chance of a wet day

Sunrise and sunset

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

December 1
sunrise 5:09 AM, sunset 6:48 PM
December 31
sunrise 5:19 AM, sunset 7:05 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.