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
As Kempton Park welcomes December, the average high-temperature records at a still moderately hot 27°C (80.6°F), marking an insignificant deviation from the prior month. Throughout the nights in December, an average low-temperature of 16°C (60.8°F) is noted.Heat index
December's mean heat index is computed to be 28°C (82.4°F). Persistent activity under exposure might lead to a feeling of weariness, with subsequent heat cramps.Be advised, the heat index considers values for conditions in shade and with a light breeze. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'felt air temperature' or 'feels like', unifies temperature and humidity readings to offer a comprehensive feel of warmth. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Humidity
In Kempton Park, the average relative humidity in December is 61%.Rainfall
In Kempton Park, during December, the rain falls for 19.5 days and regularly aggregates up to 82mm (3.23") of precipitation. Throughout the year, in Kempton Park, there are 115.7 rainfall days, and 418mm (16.46") of precipitation is accumulated.Daylight
With an average of 13h and 42min of daylight, December has the longest days of the year.On the first day of the month, sunrise is at 05:06 and sunset at 18:45. On the last day of December, sunrise is at 05:17 and sunset at 19:02 SAST.
Sunshine
The average sunshine in December in Kempton Park, South Africa, is 11.2h.UV index
The average daily maximum UV index in December is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 5 during December leads to these instructions:
Undertake protective steps - Preventing sun damage is advised. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Kempton Park?
What is the average humidity in December in Kempton Park?
How much does it rain in Kempton Park in December?
When are the longest days in Kempton Park?
What is the average length of the day in December in Kempton Park?
When is the sunrise / sunset in December in Kempton Park?
How many hours of sunshine does Kempton Park have in December?
What is the UV index reading in December in Kempton Park?
Average temperature in December
Kempton Park, South Africa
- Average high temperature in December: 27°C
The warmest month (with the highest average high temperature) is January (27.1°C).
The month with the lowest average high temperature is July (17.6°C).
- Average low temperature in December: 16°C
The months with the highest average low temperature are January and December (16°C).
The coldest month (with the lowest average low temperature) is July (5.9°C).
Average pressure in December
Kempton Park, South Africa
- Average pressure in December: 1013.5mbar
The month with the highest atmospheric pressure is July (1024.7mbar).
The month with the lowest atmospheric pressure is January (1013.3mbar).
Average wind speed in December
Kempton Park, South Africa
- Average wind speed in December: 9.9km/h
The windiest months (with the highest average wind speed) are October and November (11.6km/h).
The calmest month (with the lowest average wind speed) is May (8km/h).
Average humidity in December
Kempton Park, South Africa
- Average humidity in December: 61%
The months with the highest relative humidity are January and February (65%).
The month with the lowest relative humidity is September (35%).
Average rainfall in December
Kempton Park, South Africa
- Average rainfall in December: 82mm
The wettest month (with the highest rainfall) is January (86mm).
The driest month (with the least rainfall) is July (0mm).
Average rainfall days in December
Kempton Park, South Africa
- Average rainfall days in December: 19.5 days
The month with the highest number of rainy days is January (20.3 days).
The month with the least rainy days is July (0.9 days).
Average daylight in December /
Average sunshine in December
Kempton Park, South Africa
- Average daylight in December: 13h and 4min
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 December: 11h and 1min
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 in December
Kempton Park, South Africa
- Average sunshine days in December: 8.3 days
The month with the most sunshine days is July (29.7 days).
The month with the least sunshine days is January (8 days).
Average UV index in December
Kempton Park, South Africa
- Average UV index in December: 5
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 in December
Kempton Park, South Africa
- Average cloud cover in December: 26
The month with the most cloud cover is January (Cloud cover 28).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in December
Kempton Park, South Africa
- Average visibility in December: 10km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January and February (9km).
Kempton Park, South Africa
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