Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Vierfontein's warmest period falls in January and December, when the average high-temperatures ascend to 29.5°C (85.1°F).Heat index
In December, the heat index is computed to be a hot 30°C (86°F). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.Metrics for the heat index primarily focus on shaded spots and light wind conditions. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Humidity
In Vierfontein, South Africa, the average relative humidity in December is 48%.Rainfall
The month with the most rainfall is December, when the rain falls for 16.7 days and typically aggregates up to 73mm (2.87") of precipitation.Daylight
With an average of 13h and 48min of daylight, December has the longest days of the year in Vierfontein.On the first day of December in Vierfontein, sunrise is at 05:10 and sunset at 18:53. On the last day of the month, sunrise is at 05:21 and sunset at 19:10 SAST.
Sunshine
The average sunshine in December in Vierfontein, South Africa, is 11.6h.UV index
January through March, October through December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 6 suggests this advice:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Frequently asked questions
What are the warmest months in Vierfontein?
How hot is it in Vierfontein in December?
What is the average humidity in December in Vierfontein?
What is the wettest month in Vierfontein?
How many days does it rain in December in Vierfontein?
When are the longest days in Vierfontein?
How many hours of daylight does Vierfontein have in December?
When is the sunrise / sunset in December in Vierfontein?
How many hours of sunshine does Vierfontein have in December?
When is the highest UV index in Vierfontein?
What is the UV index reading in December in Vierfontein?
Average temperature in December
Vierfontein, South Africa
- Average high temperature in December: 29.5°C
The warmest months (with the highest average high temperature) are January and December (29.5°C).
The months with the lowest average high temperature are June and July (18.3°C).
- Average low temperature in December: 18°C
The month with the highest average low temperature is December (18°C).
The coldest month (with the lowest average low temperature) is July (5.6°C).
Average pressure in December
Vierfontein, South Africa
- Average pressure in December: 1012.3mbar
The month with the highest atmospheric pressure is July (1024.6mbar).
The month with the lowest atmospheric pressure is January (1012.1mbar).
Average wind speed in December
Vierfontein, South Africa
- Average wind speed in December: 12.2km/h
The windiest month (with the highest average wind speed) is November (13.8km/h).
The calmest month (with the lowest average wind speed) is May (8.9km/h).
Average humidity in December
Vierfontein, South Africa
- Average humidity in December: 48%
The month with the highest relative humidity is February (58%).
The month with the lowest relative humidity is September (29%).
Average rainfall in December
Vierfontein, South Africa
- Average rainfall in December: 73mm
The wettest month (with the highest rainfall) is December (73mm).
The driest months (with the least rainfall) are July and August (1mm).
Average rainfall days in December
Vierfontein, South Africa
- Average rainfall days in December: 16.7 days
The month with the highest number of rainy days is December (16.7 days).
The months with the least rainy days are July and August (1 days).
Average daylight in December /
Average sunshine in December
Vierfontein, South Africa
- Average daylight in December: 13h and 5min
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 December: 11h and 4min
The months with the most sunshine are October and November (Average sunshine: 11h and 48min).
The month with the least sunshine is August (Average sunshine: 7h and 30min).
Average sunshine days in December
Vierfontein, South Africa
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is August (29.5 days).
The month with the least sunshine days is December (10.5 days).
Average UV index in December
Vierfontein, South Africa
- Average UV index in December: 6
The months with the highest UV index are January, February, March, 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 in December
Vierfontein, South Africa
- Average cloud cover in December: 20
The month with the most cloud cover is January (Cloud cover 21).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in December
Vierfontein, South Africa
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Vierfontein, South Africa
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