Randfontein climate

Randfontein Weather in January

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 30°C on January 1 to 29°C on January 31, and lows from 16°C to 16°C. Normal precipitation for the month is 121 mm over about 22 wet days.

January 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.01020304050151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

January at a glance

Average high
29°C
Average low
16°C
Precipitation
121 mm
Reanalysis high
40°CJan 7, 2016
Reanalysis low
8°CJan 19, 2000
Daylight
13 h 45 min to 13 h 19 min
Cloud cover
60%
Humidity
62%
Dew point
13°C
Wind
10.4 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
Jan 130°C16°C35°C 199110°C 200161%
Jan 230°C16°C33°C 200810°C 200162%
Jan 329°C16°C35°C 20088°C 200162%
Jan 429°C16°C34°C 201611°C 200162%
Jan 529°C16°C37°C 201612°C 200161%
Jan 629°C16°C39°C 201613°C 199461%
Jan 729°C16°C40°C 201613°C 201162%
Jan 830°C16°C37°C 201613°C 201162%
Jan 930°C16°C35°C 201311°C 199162%
Jan 1029°C16°C35°C 200110°C 199862%
Jan 1129°C16°C37°C 20018°C 199863%
Jan 1229°C16°C34°C 200111°C 199363%
Jan 1329°C16°C34°C 201813°C 201165%
Jan 1429°C16°C36°C 200311°C 200066%
Jan 1529°C16°C36°C 201813°C 200167%
Jan 1629°C16°C35°C 200313°C 199468%
Jan 1729°C16°C35°C 199312°C 201768%
Jan 1829°C16°C34°C 19939°C 201769%
Jan 1929°C16°C35°C 19938°C 200069%
Jan 2029°C16°C34°C 19939°C 200069%
Jan 2129°C16°C34°C 199310°C 200070%
Jan 2229°C16°C34°C 201914°C 200769%
Jan 2329°C16°C35°C 201914°C 200069%
Jan 2429°C16°C36°C 200114°C 199469%
Jan 2529°C16°C36°C 201313°C 199469%
Jan 2629°C16°C36°C 199512°C 199469%
Jan 2729°C16°C36°C 199513°C 202069%
Jan 2829°C16°C36°C 199510°C 199667%
Jan 2929°C16°C36°C 19959°C 199667%
Jan 3029°C16°C35°C 199211°C 199667%
Jan 3129°C16°C33°C 201213°C 200066%

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).

January 1
sunrise 5:20 AM, sunset 7:05 PM
January 31
sunrise 5:43 AM, sunset 7:02 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.