December weather forecast
Edenvale, South Africa

December

Weather in December

The first month of the summer, December, is also a moderately hot month in Edenvale, South Africa, with temperature in the range of an average high of 27°C (80.6°F) and an average low of 16°C (60.8°F).

Temperature

December's weather displays an average high-temperature of a still moderately hot 27°C (80.6°F), slightly varied from November's 26.6°C (79.9°F). Nightly temperatures drop to an average low of 16°C (60.8°F) in December.

Heat index

The heat index in December is evaluated at 28°C (82.4°F). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.
When assessing, remember that heat index measurements are for light winds and shaded spots. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In December, the average relative humidity is 61%.

Rainfall

In Edenvale, during December, the rain falls for 19.5 days and regularly aggregates up to 82mm (3.23") of precipitation. Throughout the year, there are 115.7 rainfall days, and 418mm (16.46") of precipitation is accumulated.

Daylight

December has the longest days of the year, with an average of 13h and 42min of daylight.
On the first day of December in Edenvale, sunrise is at 05:06 and sunset at 18:46. On the last day of the month, sunrise is at 05:18 and sunset at 19:02 SAST.

Sunshine

In Edenvale, the average sunshine in December is 11.2h.

UV index

In December, the average daily maximum UV index in Edenvale, South Africa, is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In December, the UV index of 5 transforms into the following advice:
Be vigilant - Preventing sunburn is recommended. It's recommended to limit sun exposure when its radiation is at its peak during midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.

Frequently asked questions

What are the temperatures in Edenvale in December?
In December, the average high-temperature and low-temperature in Edenvale, South Africa, are 27°C (80.6°F) and 16°C (60.8°F) respectively. In December, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, is evaluated at 28°C (82.4°F).
What is the average humidity in December in Edenvale?
The average relative humidity in December in Edenvale is 61%.
How much does it rain in Edenvale in December?
In December, in Edenvale, South Africa, the rain falls for 19.5 days. Throughout December, 82mm (3.23") of precipitation is accumulated.
When are the longest days in Edenvale?
With an average of 13h and 42min of daylight, December has the longest days of the year.
What is the average length of the day in December in Edenvale?
In Edenvale, the average day length in December is 13h and 44min.
When are sunrise and sunset in December in Edenvale?
In December, on the first day of the month, sunrise is at 05:06 and sunset at 18:46. On the last day of the month, in Edenvale, South Africa, sunrise is at 05:18 and sunset at 19:02 SAST.
How long on average sun shines in December in Edenvale?
In December, the average sunshine duration is 11.2h.
What is the UV index reading in December in Edenvale?
In Edenvale, South Africa, the average daily maximum UV index in December is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Edenvale, South Africa
Average temperature in December
Edenvale, 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 - Edenvale, South Africa
Average pressure in December
Edenvale, 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 - Edenvale, South Africa
Average wind speed in December
Edenvale, 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 - Edenvale, South Africa
Average humidity in December
Edenvale, 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 - Edenvale, South Africa
Average rainfall in December
Edenvale, 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 - Edenvale, South Africa
Average rainfall days in December
Edenvale, 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 - Edenvale, South Africa
Average daylight in December /
Average sunshine in December
Edenvale, 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 - Edenvale, South Africa
Average sunshine days in December
Edenvale, 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 - Edenvale, South Africa
Average UV index in December
Edenvale, 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 - Edenvale, South Africa
Average cloud cover in December
Edenvale, 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 - Edenvale, South Africa
Average visibility in December
Edenvale, 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).

englishespañol中文
Share