Climate and monthly weather forecastRandfontein, South Africa
Climate and monthly weather forecast
Weather in January
January, the same as December, is a moderately hot summer month in Randfontein, South Africa, with an average temperature varying between 16.5°C (61.7°F) and 27.3°C (81.1°F). The height of temperatures is seen during January and December, averaging a high-temperature of 27.3°C (81.1°F). January's mean heat index is evaluated at 29°C (84.2°F). Weather in January »Weather in February
February, the last month of the summer in Randfontein, is also a moderately hot month, with an average temperature fluctuating between 15.8°C (60.4°F) and 27.2°C (81°F). As Randfontein transitions from January to February, the average high-temperatures adjust to a still moderately hot 27.2°C (81°F), nearly the same as the previous 27.3°C (81.1°F). Weather in February »Weather in March
The first month of the autumn, March, is still a warm month in Randfontein, South Africa, with an average temperature varying between 25.9°C (78.6°F) and 14.7°C (58.5°F). During March, Randfontein observes a subtle ascent to a still moderately hot 25.9°C (78.6°F) from February's 27.2°C (81°F) in the average high-temperature. Weather in March »Weather in April
April, like March, is another pleasant autumn month in Randfontein, South Africa, with an average temperature fluctuating between 11.8°C (53.2°F) and 22.7°C (72.9°F). April is characterized by a mild reduction in the average high-temperature, from a warm 25.9°C (78.6°F) in March to a pleasant 22.7°C (72.9°F). Weather in April »Weather in May
The last month of the autumn, May, is another pleasant month in Randfontein, South Africa, with an average temperature fluctuating between 9.6°C (49.3°F) and 21°C (69.8°F). The transition into May marks the average high-temperature at a still agreeable 21°C (69.8°F), differing minimally from April's 22.7°C (72.9°F). Weather in May »Weather in June
The first month of the winter, June, is still a comfortable month in Randfontein, South Africa, with an average temperature varying between 6.3°C (43.3°F) and 17.8°C (64°F). June and July, with an average high-temperature of 17.8°C (64°F), are the coldest months. Weather in June »Weather in July
July, the same as June, is another comfortable winter month in Randfontein, South Africa, with an average temperature fluctuating between 6.1°C (43°F) and 17.8°C (64°F). The yearly lowest temperatures occur in June and July, averaging a high-temperature of 17.8°C (64°F). Weather in July »Weather in August
August, the last month of the winter in Randfontein, is a pleasant month, with an average temperature ranging between min 8.6°C (47.5°F) and max 21.3°C (70.3°F). As August begins, there's a slight increase in the average high-temperature, moving from an enjoyable 17.8°C (64°F) in July to a pleasant 21.3°C (70.3°F). Weather in August »Weather in September
September, the first month of the spring in Randfontein, is a warm month, with an average temperature fluctuating between 25.6°C (78.1°F) and 11.5°C (52.7°F). The beginning of September marks a minor shift in the average high-temperature, moving from August's pleasant 21.3°C (70.3°F) to a moderately hot 25.6°C (78.1°F). Weather in September »Weather in October
October, like September, in Randfontein, South Africa, is a moderately hot spring month, with an average temperature ranging between min 14.6°C (58.3°F) and max 27°C (80.6°F). October's weather displays an average high-temperature of a still moderately hot 27°C (80.6°F), slightly varied from September's 25.6°C (78.1°F). Weather in October »Weather in November
The last month of the spring, November, is another warm month in Randfontein, South Africa, with temperature in the range of an average low of 15.5°C (59.9°F) and an average high of 26.8°C (80.2°F). Upon the beginning of November, Randfontein's high-temperatures register at a still moderately hot 26.8°C (80.2°F), closely mirroring the preceding month. Weather in November »Weather in December
The first month of the summer, December, is still a warm month in Randfontein, South Africa, with an average temperature fluctuating between 16.6°C (61.9°F) and 27.3°C (81.1°F). The warmest period is usually observed in January and December, with the average high-temperature peaking at 27.3°C (81.1°F). December's mean heat index is evaluated at 28°C (82.4°F). Weather in December »Updated: Jan 25, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
During January and December, Randfontein experiences its peak temperatures, averaging a high-temperature of 27.3°C (81.1°F).
January and February, with an average relative humidity of 64%, are most humid months.
The month with the most rainfall in Randfontein is January, when the rain falls for 19.8 days and typically aggregates up to 90mm (3.54") of precipitation.
In Randfontein, South Africa, during the entire year, the rain falls for 117.1 days and collects up to 441mm (17.36") of precipitation.
January, February, October through December, with an average maximum UV index of 6, are months with the highest UV index.
May through July, with an average maximum UV index of 4, are months with the lowest UV index in Randfontein.
Randfontein's average lowest temperatures are recorded in June and July, reaching a high of 17.8°C (64°F).
With an average of 10h and 30min of daylight, June has the shortest days of the year in Randfontein, South Africa.
The month with the least rainfall in Randfontein is July, when the rain falls for 1.2 days and typically collects 1mm (0.04") of precipitation.
August has the least sunshine of the year, with an average of 7.4h of sunshine.
The least humid month in Randfontein, South Africa, is September, with an average relative humidity of 34%.
October has the most sunshine of the year in Randfontein, South Africa, with an average of 11.8h of sunshine.
The month with the longest days is December, with an average of 13h and 42min of daylight.
Randfontein does not utilize Daylight Saving Time (DST). SAST timezone is used throughout the entire year.
Average temperature
Randfontein, South Africa
The warmest months (with the highest average high temperature) are January and December (27.3°C).
The months with the lowest average high temperature are June and July (17.8°C).
The month with the highest average low temperature is December (16.6°C).
The coldest month (with the lowest average low temperature) is July (6.1°C).
Average pressure
Randfontein, South Africa
- Average pressure in January:
1012.9mbar - Average pressure in February:
1013.6mbar - Average pressure in March:
1015.8mbar - Average pressure in April:
1018.8mbar - Average pressure in May:
1021mbar - Average pressure in June:
1023.6mbar
- Average pressure in July:
1024.6mbar - Average pressure in August:
1021.4mbar - Average pressure in September:
1018.3mbar - Average pressure in October:
1015.4mbar - Average pressure in November:
1013.9mbar - Average pressure in December:
1013.2mbar
The month with the highest atmospheric pressure is July (1024.6mbar).
The month with the lowest atmospheric pressure is January (1012.9mbar).
Average wind speed
Randfontein, South Africa
- Average wind speed in January:
8.9km/h - Average wind speed in February:
8.5km/h - Average wind speed in March:
7.9km/h - Average wind speed in April:
8.2km/h - Average wind speed in May:
7.8km/h - Average wind speed in June:
9.1km/h
- Average wind speed in July:
9.1km/h - Average wind speed in August:
11km/h - Average wind speed in September:
11.5km/h - Average wind speed in October:
11.6km/h - Average wind speed in November:
11.7km/h - Average wind speed in December:
10km/h
The windiest month (with the highest average wind speed) is November (11.7km/h).
The calmest month (with the lowest average wind speed) is May (7.8km/h).
Average humidity
Randfontein, South Africa
The months with the highest relative humidity are January and February (64%).
The month with the lowest relative humidity is September (34%).
Average rainfall
Randfontein, South Africa
The wettest month (with the highest rainfall) is January (90mm).
The driest month (with the least rainfall) is July (1mm).
Average rainfall days
Randfontein, South Africa
- Average rainfall days in January:
19.8 days - Average rainfall days in February:
16.1 days - Average rainfall days in March:
15.7 days - Average rainfall days in April:
10.3 days - Average rainfall days in May:
3.4 days - Average rainfall days in June:
1.7 days
- Average rainfall days in July:
1.2 days - Average rainfall days in August:
1.8 days - Average rainfall days in September:
3.4 days - Average rainfall days in October:
9.5 days - Average rainfall days in November:
15 days - Average rainfall days in December:
19.2 days
The month with the highest number of rainy days is January (19.8 days).
The month with the least rainy days is July (1.2 days).
Average daylight / Average sunshine
Randfontein, South Africa
- Average daylight in January:
13h and 36min - Average daylight in February:
13h and 0min - Average daylight in March:
12h and 12min - Average daylight in April:
11h and 30min - Average daylight in May:
10h and 48min - Average daylight in June:
10h and 30min
- Average daylight in July:
10h and 42min - Average daylight in August:
11h and 12min - Average daylight in September:
11h and 54min - Average daylight in October:
12h and 42min - Average daylight in November:
13h and 24min - Average daylight in December:
13h and 42min
The month with the longest days is December (Average daylight: 13h and 42min).
The month with the shortest days is June (Average daylight: 10h and 30min).
- Average sunshine in January:
11h and 24min - Average sunshine in February:
11h and 18min - Average sunshine in March:
9h and 30min - Average sunshine in April:
7h and 36min - Average sunshine in May:
7h and 36min - Average sunshine in June:
7h and 36min
- Average sunshine in July:
7h and 42min - Average sunshine in August:
7h and 24min - Average sunshine in September:
9h and 42min - Average sunshine in October:
11h and 48min - Average sunshine in November:
11h and 36min - Average sunshine in December:
11h and 12min
The month with the most sunshine is October (Average sunshine: 11h and 48min).
The month with the least sunshine is August (Average sunshine: 7h and 24min).
Average sunshine days
Randfontein, South Africa
- Average sunshine days in January:
8.7 days - Average sunshine days in February:
9.8 days - Average sunshine days in March:
13.1 days - Average sunshine days in April:
18.2 days - Average sunshine days in May:
27 days - Average sunshine days in June:
27.8 days
- Average sunshine days in July:
29.3 days - Average sunshine days in August:
28.8 days - Average sunshine days in September:
25.7 days - Average sunshine days in October:
19.1 days - Average sunshine days in November:
12.4 days - Average sunshine days in December:
8.5 days
The month with the most sunshine days is July (29.3 days).
The month with the least sunshine days is December (8.5 days).
Average UV index
Randfontein, South Africa
The months with the highest UV index are January, February, October, November and December (UV index 6).
The months with the lowest UV index are May, June and July (UV index 4).
Average cloud cover
Randfontein, South Africa
The month with the most cloud cover is January (Cloud cover 26).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility
Randfontein, South Africa
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
