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
December
Weather in December
Temperature
December is the month when Carletonville's temperatures reach their peak, with averages of 27.9°C (82.2°F) and lows of 16.7°C (62.1°F).Heat index
The heat index for December is evaluated at 29°C (84.2°F). Prolonged exposure and physical activity might induce exhaustion, potentially causing heat cramps.When referencing the heat index, its values are suitable for shady environments and light breezes. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
Humidity
The average relative humidity in December is 57%.Rainfall
In Carletonville, in December, during 18.6 rainfall days, 87mm (3.43") of precipitation is typically accumulated. Throughout the year, in Carletonville, there are 101.7 rainfall days, and 388mm (15.28") of precipitation is accumulated.Daylight
December has the longest days of the year in Carletonville, with an average of 13h and 48min of daylight.On the first day of December, sunrise is at 05:09 and sunset at 18:49. On the last day of the month, sunrise is at 05:20 and sunset at 19:06 SAST.
Sunshine
In Carletonville, the average sunshine in December is 11.4h.UV index
January, February, October through December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: The UV index of 6 during December leads to these advisories:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the warmest months in Carletonville?
What are the temperatures in Carletonville in December?
What is the average humidity in December in Carletonville?
How many days does it rain in December in Carletonville?
When are the longest days in Carletonville?
What is the average length of the day in December in Carletonville?
When is the sunrise / sunset in December in Carletonville?
How long on average sun shines in December in Carletonville?
When is the highest UV index in Carletonville?
What is the UV index intensity in December in Carletonville?
Average temperature in December
Carletonville, South Africa
- Average high temperature in December: 27.9°C
The warmest month (with the highest average high temperature) is December (27.9°C).
The month with the lowest average high temperature is July (17.6°C).
- Average low temperature in December: 16.7°C
The months with the highest average low temperature are January and December (16.7°C).
The coldest month (with the lowest average low temperature) is July (5.3°C).
Average pressure in December
Carletonville, South Africa
- Average pressure in December: 1012.8mbar
The month with the highest atmospheric pressure is July (1024.6mbar).
The month with the lowest atmospheric pressure is January (1012.6mbar).
Average wind speed in December
Carletonville, South Africa
- Average wind speed in December: 11.6km/h
The windiest month (with the highest average wind speed) is November (13.3km/h).
The calmest month (with the lowest average wind speed) is May (8.5km/h).
Average humidity in December
Carletonville, South Africa
- Average humidity in December: 57%
The month with the highest relative humidity is February (63%).
The month with the lowest relative humidity is September (32%).
Average rainfall in December
Carletonville, South Africa
- Average rainfall in December: 87mm
The wettest month (with the highest rainfall) is January (88mm).
The driest months (with the least rainfall) are July and August (1mm).
Average rainfall days in December
Carletonville, South Africa
- Average rainfall days in December: 18.6 days
The month with the highest number of rainy days is January (19.8 days).
The month with the least rainy days is August (0.8 days).
Average daylight in December /
Average sunshine in December
Carletonville, 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 2min
The month with the most sunshine is October (Average sunshine: 11h and 54min).
The month with the least sunshine is August (Average sunshine: 7h and 30min).
Average sunshine days in December
Carletonville, South Africa
- Average sunshine days in December: 8.9 days
The month with the most sunshine days is August (30.2 days).
The month with the least sunshine days is January (7.5 days).
Average UV index in December
Carletonville, South Africa
- Average UV index in December: 6
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 in December
Carletonville, South Africa
- Average cloud cover in December: 23
The month with the most cloud cover is January (Cloud cover 24).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in December
Carletonville, South Africa
- Average visibility in December: 10km
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).
