Climate and monthly weather forecastGrootvlei, South Africa
Climate and monthly weather forecast
Weather in January
January, like December, in Grootvlei, South Africa, is another warm summer month, with an average temperature fluctuating between 26.6°C (79.9°F) and 15.1°C (59.2°F). January, recording an average high temperature of 26.6°C (79.9°F) and a low temperature of 15.1°C (59.2°F), is Grootvlei's warmest month. Weather in January »Weather in February
The last month of the summer, February, is another warm month in Grootvlei, South Africa, with an average temperature varying between 26.3°C (79.3°F) and 14.1°C (57.4°F). February's beginning signals an average high-temperature of a still moderately hot 26.3°C (79.3°F), barely different from January's 26.6°C (79.9°F). Weather in February »Weather in March
March, the first month of the autumn in Grootvlei, is still a warm month, with an average temperature fluctuating between 25.3°C (77.5°F) and 13.3°C (55.9°F). Grootvlei marks the arrival of March with an average high-temperature of a still moderately hot 25.3°C (77.5°F), hardly different from February's 26.3°C (79.3°F). Weather in March »Weather in April
April, like March, is another pleasant autumn month in Grootvlei, South Africa, with an average temperature varying between 10.7°C (51.3°F) and 22.5°C (72.5°F). As March transitions into April, the average high-temperature rests at an agreeable 22.5°C (72.5°F), maintaining a close resemblance to the previous month. Weather in April »Weather in May
May, the last month of the autumn in Grootvlei, is also an agreeable month, with temperature in the range of an average high of 20.8°C (69.4°F) and an average low of 8.7°C (47.7°F). As May takes hold, the average high-temperature is a still agreeable 20.8°C (69.4°F), nearly mirroring that of the previous month. Weather in May »Weather in June
The first month of the winter, June, is still a refreshing month in Grootvlei, South Africa, with an average temperature varying between 17.4°C (63.3°F) and 5.5°C (41.9°F). Start of June brings a slight shift in the average high-temperature, dipping a bit from May's agreeable 20.8°C (69.4°F) to an enjoyable 17.4°C (63.3°F). Weather in June »Weather in July
July, like June, in Grootvlei, South Africa, is another comfortable winter month, with an average temperature ranging between max 17.3°C (63.1°F) and min 5.2°C (41.4°F). In Grootvlei, the lowest average temperatures are observed in July, with a high of 17.3°C (63.1°F) and a low of 5.2°C (41.4°F). Weather in July »Weather in August
The last month of the winter, August, is an agreeable month in Grootvlei, South Africa, with temperature in the range of an average high of 20.8°C (69.4°F) and an average low of 7.7°C (45.9°F). In Grootvlei, the average high-temperature in August slightly increases from a refreshing 17.3°C (63.1°F) in July to a pleasant 20.8°C (69.4°F). Weather in August »Weather in September
The first month of the spring, September, is a warm month in Grootvlei, South Africa, with an average temperature varying between 11.2°C (52.2°F) and 25.1°C (77.2°F). The beginning of September signals a minor rise in the average high-temperature, moving from an agreeable 20.8°C (69.4°F) in August to a warm 25.1°C (77.2°F). Weather in September »Weather in October
October, the same as September, is another warm spring month in Grootvlei, South Africa, with an average temperature fluctuating between 13.9°C (57°F) and 26.2°C (79.2°F). The commencement of October records an average high-temperature of a still warm 26.2°C (79.2°F), barely varying from September's 25.1°C (77.2°F). Weather in October »Weather in November
The last month of the spring, November, is another warm month in Grootvlei, South Africa, with an average temperature ranging between min 14.6°C (58.3°F) and max 26.3°C (79.3°F). November denotes a minimal variation in the average high-temperature to a still moderately hot 26.3°C (79.3°F) from October's 26.2°C (79.2°F). Weather in November »Weather in December
December, the first month of the summer in Grootvlei, is also a moderately hot month, with an average temperature varying between 26.5°C (79.7°F) and 15.5°C (59.9°F). The average high-temperature for December is a still warm 26.5°C (79.7°F), closely aligning with the temperature of the preceding month. Weather in December »Updated: Jan 26, 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
The warmest period in Grootvlei, South Africa, tends to be January, when average temperatures fluctuate between a high of 26.6°C (79.9°F) and a low of 15.1°C (59.2°F).
The months with the highest humidity in Grootvlei are January and February, with an average relative humidity of 68%.
In Grootvlei, South Africa, during the entire year, the rain falls for 120.9 days and collects up to 449mm (17.68") of precipitation.
January, October and November, with an average maximum UV index of 6, are months with the highest UV index in Grootvlei.
May through July, with an average maximum UV index of 4, are months with the lowest UV index.
With an average of 10h and 30min of daylight, June has the shortest days of the year in Grootvlei, South Africa.
With its average high temperature of 17.3°C (63.1°F) and a low of 5.2°C (41.4°F), July is regarded as the coldest month in Grootvlei, South Africa.
July is the month with the least rainfall. Rain falls for 1.7 days and accumulates 1mm (0.04") of precipitation.
The month with the least sunshine in Grootvlei is August, with an average of 7.4h of sunshine.
September is the least humid month, with an average relative humidity of 35%.
With an average of 11.8h of sunshine, October has the most sunshine of the year.
December is the month with the most rainfall. Rain falls for 19.5 days and accumulates 93mm (3.66") of precipitation.
The month with the longest days in Grootvlei is December, with an average of 13h and 48min of daylight.
Grootvlei does not utilize Daylight Saving Time (DST). SAST timezone is used throughout the entire year.
Average temperature
Grootvlei, South Africa
The warmest month (with the highest average high temperature) is January (26.6°C).
The month with the lowest average high temperature is July (17.3°C).
The month with the highest average low temperature is December (15.5°C).
The coldest month (with the lowest average low temperature) is July (5.2°C).
Average pressure
Grootvlei, South Africa
- Average pressure in January:
1013.6mbar - Average pressure in February:
1014.3mbar - Average pressure in March:
1016.3mbar - Average pressure in April:
1019.3mbar - Average pressure in May:
1021.3mbar - Average pressure in June:
1023.8mbar
- Average pressure in July:
1024.8mbar - Average pressure in August:
1021.6mbar - Average pressure in September:
1018.7mbar - Average pressure in October:
1015.9mbar - Average pressure in November:
1014.4mbar - Average pressure in December:
1013.8mbar
The month with the highest atmospheric pressure is July (1024.8mbar).
The month with the lowest atmospheric pressure is January (1013.6mbar).
Average wind speed
Grootvlei, South Africa
- Average wind speed in January:
9.2km/h - Average wind speed in February:
8.8km/h - Average wind speed in March:
8.3km/h - Average wind speed in April:
8.7km/h - Average wind speed in May:
8.3km/h - Average wind speed in June:
9.7km/h
- Average wind speed in July:
9.6km/h - Average wind speed in August:
11.4km/h - Average wind speed in September:
12.1km/h - Average wind speed in October:
12.1km/h - Average wind speed in November:
12km/h - Average wind speed in December:
10.2km/h
The windiest months (with the highest average wind speed) are September and October (12.1km/h).
The calmest months (with the lowest average wind speed) are March and May (8.3km/h).
Average humidity
Grootvlei, South Africa
The months with the highest relative humidity are January and February (68%).
The month with the lowest relative humidity is September (35%).
Average rainfall
Grootvlei, South Africa
The wettest month (with the highest rainfall) is December (93mm).
The driest month (with the least rainfall) is July (1mm).
Average rainfall days
Grootvlei, South Africa
- Average rainfall days in January:
20.4 days - Average rainfall days in February:
16.4 days - Average rainfall days in March:
15.3 days - Average rainfall days in April:
11 days - Average rainfall days in May:
3.3 days - Average rainfall days in June:
1.5 days
- Average rainfall days in July:
1.7 days - Average rainfall days in August:
1.8 days - Average rainfall days in September:
4 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
15.5 days - Average rainfall days in December:
19.5 days
The month with the highest number of rainy days is January (20.4 days).
The month with the least rainy days is June (1.5 days).
Average daylight / Average sunshine
Grootvlei, 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 36min - 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 48min
The month with the longest days is December (Average daylight: 13h and 48min).
The month with the shortest days is June (Average daylight: 10h and 30min).
- Average sunshine in January:
11h and 6min - Average sunshine in February:
11h and 24min - Average sunshine in March:
9h and 24min - Average sunshine in April:
7h and 30min - Average sunshine in May:
7h and 36min - Average sunshine in June:
7h and 36min
- Average sunshine in July:
7h and 36min - Average sunshine in August:
7h and 24min - Average sunshine in September:
9h and 18min - Average sunshine in October:
11h and 48min - Average sunshine in November:
11h and 30min - 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
Grootvlei, South Africa
- Average sunshine days in January:
7.8 days - Average sunshine days in February:
8.4 days - Average sunshine days in March:
12.8 days - Average sunshine days in April:
17.5 days - Average sunshine days in May:
26.8 days - Average sunshine days in June:
27.8 days
- Average sunshine days in July:
29.1 days - Average sunshine days in August:
28.9 days - Average sunshine days in September:
25.2 days - Average sunshine days in October:
17.8 days - Average sunshine days in November:
10.9 days - Average sunshine days in December:
8 days
The month with the most sunshine days is July (29.1 days).
The month with the least sunshine days is January (7.8 days).
Average UV index
Grootvlei, South Africa
The months with the highest UV index are January, October and November (UV index 6).
The months with the lowest UV index are May, June and July (UV index 4).
Average cloud cover
Grootvlei, South Africa
The month with the most cloud cover is January (Cloud cover 30).
The months with the least cloud cover are July and August (Cloud cover 6).
Average visibility
Grootvlei, South Africa
The months with the highest visibility are April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February, March and December (9km).
