Randfontein monthly weather averages

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Randfontein

Randfontein average temperature chart (Celsius) Randfontein average temperature chart (Fahrenheit)
Average monthly temperatures in Randfontein (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 26.5 26 24.7 21.7 19.5 16.6 17.3 19.9 23.4 24.6 25.1 26.2
°F 79.7 78.7 76.5 71.1 67.1 62 63.1 67.9 74.1 76.2 77.3 79.1

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Randfontein monthly rainfall chart (mm) Randfontein monthly rainfall chart (inches)
Average monthly rainfall in Randfontein (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 120 85 82 59 15 7 4 7 23 70 99 108
inches 4.7 3.3 3.2 2.3 0.6 0.3 0.1 0.3 0.9 2.8 3.9 4.2
Rainy days 15 11 11 8 3 2 1 2 4 9 13 14

Average annual rainfall in Randfontein: 677.8mm (266.9 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Randfontein

Randfontein average daily sunshine chart
Average daily sunshine Randfontein
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 9 8.9 8.6 8.6 9.6 9.5 10.1 10.7 10.5 9.6 9.1 9.5

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Randfontein average minimum / maximum temperatures (Celsius) Randfontein average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Randfontein (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 14.8 14.2 12.4 8.4 3.7 -0.1 -0.1 2.9 7.7 10.7 12.8 14
Max °C 26.8 26.3 25.1 22.1 19.9 17.1 17.7 20.4 23.8 24.9 25.5 26.5
Min °F 58.6 57.5 54.2 47 38.7 31.9 31.8 37.1 45.8 51.3 55 57.1
Max °F 69.4 68.4 65.7 59.4 53.2 47.3 47.8 52.9 60.3 64 66.4 68.4

Sea temperature

The graph below shows the average sea temperature.

Randfontein average sea temperature chart (Celsius) Randfontein average sea temperature chart (Fahrenheit)
Average sea temperature around Randfontein in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 24.2 24.5 24.2 23.4 22.2 21 20.2 19.9 20.1 20.8 21.9 23.2
°F 75.5 76.2 75.6 74.1 71.9 69.8 68.4 67.9 68.2 69.4 71.4 73.8

Wind speed

The graph below shows the average wind speed.

Randfontein average winspeed by month (km/h) Randfontein average winspeed by month (mph)
Average wind speed in Randfontein (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 9 8 8 7 7 8 8 10 12 12 12 10
mph 6 5 5 5 5 5 5 6 7 8 7 6

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Randfontein relative humidity averages
Average relative humidity in Randfontein
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
64% 65% 65% 64% 56% 54% 50% 45% 46% 53% 59% 61%

Other monthly averages

UV index Best time to go?

Randfontein weather stats

Randfontein weather statistics
Hottest month: January 26.5°C 79.7°F
Driest month: July 4mm 0.2ins
Sunniest month: August 10.7hrs
Coldest month: June 16.6°C 61.9°F
Wettest month: January 120mm 4.7ins
Warmest sea: February 24.5°C 76.1°F
Map showing location of Randfontein (-26.1844, 27.70203) Randfontein map pin © Google

Locations nearby

Top South Africa locations