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Monthly climate in Randburg, Gauteng, South Africa

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Randburg features a subtropical climate (Cwb).Temperatures typically range between 11 °C (52 °F) and 21 °C (71 °F) through the year, but rarely can drop to -2 °C (28 °F) or can rise to as high as 35 °C (95 °F).The average annual precipitation amounts to about 648 mm (25.5 inches) and receives 82 rainy days on the 1 mm (0.04 inches) threshold annually.Randburg enjoys an average of 4000 hours of sunshine throughout the year, and daylight varies from 10 hours 30 minutes to 13 hours 43 minutes per day.

Monthly average temperatures in Randburg, Gauteng, South Africa §

The warmest months in Randburg are January, February and December, with daily mean temperatures ranging from 21 to 21 °C (70 - 71 °F) throughout the day. The coldest temperatures usually occur in May, June and July, when daily mean temperatures range from 11 to 14 °C (52 - 58 °F) throughout the day. On average each year, Randburg experiences 146 days above 25 °C (77.0 °F) and 2 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Randburg, Gauteng, South Africa.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 35°C
(95°F)		 32°C
(89°F)		 32°C
(89°F)		 31°C
(87°F)		 27°C
(80°F)		 25°C
(77°F)		 26°C
(78°F)		 28°C
(82°F)		 33°C
(92°F)		 34°C
(94°F)		 35°C
(94°F)		 35°C
(95°F)
Mean maximum 31°C
(89°F)		 30°C
(87°F)		 29°C
(85°F)		 28°C
(83°F)		 25°C
(77°F)		 23°C
(74°F)		 24°C
(76°F)		 26°C
(80°F)		 31°C
(89°F)		 32°C
(90°F)		 33°C
(92°F)		 32°C
(90°F)
Average high 27°C
(81°F)		 26°C
(79°F)		 26°C
(79°F)		 23°C
(74°F)		 22°C
(71°F)		 20°C
(67°F)		 19°C
(67°F)		 22°C
(72°F)		 26°C
(79°F)		 26°C
(80°F)		 27°C
(81°F)		 27°C
(80°F)
Daily mean 21°C
(71°F)		 21°C
(70°F)		 20°C
(68°F)		 17°C
(63°F)		 14°C
(58°F)		 11°C
(53°F)		 11°C
(52°F)		 14°C
(58°F)		 18°C
(65°F)		 19°C
(67°F)		 21°C
(70°F)		 21°C
(70°F)
Average low 16°C
(62°F)		 16°C
(61°F)		 14°C
(58°F)		 12°C
(53°F)		 7°C
(46°F)		 4°C
(40°F)		 4°C
(40°F)		 7°C
(46°F)		 10°C
(51°F)		 13°C
(55°F)		 15°C
(58°F)		 16°C
(61°F)
Mean minimum 13°C
(55°F)		 13°C
(56°F)		 11°C
(52°F)		 7°C
(44°F)		 4°C
(39°F)		 1°C
(34°F)		 -0°C
(32°F)		 2°C
(36°F)		 4°C
(40°F)		 8°C
(46°F)		 9°C
(49°F)		 12°C
(53°F)
Minimum 10°C
(51°F)		 11°C
(53°F)		 8°C
(48°F)		 5°C
(41°F)		 -1°C
(31°F)		 -2°C
(28°F)		 -1°C
(30°F)		 0°C
(33°F)		 2°C
(35°F)		 5°C
(41°F)		 6°C
(42°F)		 11°C
(52°F)

Compare climate in Randburg with other places

Compare temperature, precipitation, sunshine, UV index in Randburg, Gauteng, South Africa with other places around the world.

Monthly average precipitation in Randburg, Gauteng, South Africa §

Randburg usually has the most precipitation in January, February and December, with an average of 14 rainy days and 124 mm (4.9 inches) of precipitation per month.The driest months in Randburg are June, July and August. On average, 3 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Randburg, Gauteng, South Africa.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 118 (4.7) 122 (4.8) 71 (2.8) 50 (2.0) 10 (0.4) 6 (0.2) 2 (0.1) 2 (0.1) 6 (0.2) 52 (2.0) 77 (3.0) 131 (5.2)
Average precipitation days (≥ 1 mm) 12 15 9 8 1 0 0 0 2 7 12 16

Monthly sunshine hours in Randburg, Gauteng, South Africa §

The sunniest months in Randburg are October, November and December, when the sun shines an average of 12 hours 1 minutes a day.Least sunny months in Randburg: January, June and July receive an average of 10 hours 1 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Randburg, Gauteng, South Africa.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 308 315 354 317 319 298 314 329 336 363 371 370
Mean daily daylight hours 13h 32m 12h 57m 12h 12m 11h 26m 10h 49m 10h 30m 10h 40m 11h 13m 11h 56m 12h 42m 13h 23m 13h 43m

Solar UV radiation in Randburg, Gauteng, South Africa §

Randburg experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 15 - 16, which corresponds to the Extreme category of sun exposure.May, June and July are in the High exposure category. In these months, the maximum values of the UV index do not exceed 7. For more detailed information, check out our hourly Randburg UV Index data.

Average daily maximum UV levels by month for Randburg, Gauteng, South Africa.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 15 15 13 10 7 6 6 9 11 13 14 16