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
With the advent of December, Heideveld experiences an average high-temperature of a warm 24.3°C (75.7°F), mirroring a close resemblance to the previous month. Throughout December nights, Heideveld experiences a consistent temperature average of 16.3°C (61.3°F).Humidity
February, April and December, with an average relative humidity of 68%, are the least humid months in Heideveld.Rainfall
In December, the rain falls for 6.4 days. Throughout December, 16mm (0.63") of precipitation is accumulated. In Heideveld, South Africa, during the entire year, the rain falls for 111 days and collects up to 435mm (17.13") of precipitation.Daylight
The month with the longest days is December, with an average of 14h and 24min of daylight.On the first day of December, sunrise is at 05:27 and sunset at 19:42. On the last day of the month, sunrise is at 05:37 and sunset at 20:00 SAST.
Sunshine
With an average of 11.1h of sunshine, December has the most sunshine of the year.UV index
January, February and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.Note: A maximum high daily UV index of 6 during December translates into the following directions:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Frequently asked questions
What are the temperatures in Heideveld in December?
What are the least humid months in Heideveld?
What is the average humidity in December in Heideveld?
How much does it rain in Heideveld in December?
When are the longest days in Heideveld?
What is the average length of the day in December in Heideveld?
What time are sunrise and sunset in December in Heideveld?
What month has the most sunshine in Heideveld?
How long on average sun shines in December in Heideveld?
What is the month with the highest UV index in Heideveld?
How high is the UV index in December in Heideveld?
Average temperature in December
Heideveld, South Africa
- Average high temperature in December: 24.3°C
The warmest month (with the highest average high temperature) is February (26.1°C).
The month with the lowest average high temperature is August (16.6°C).
- Average low temperature in December: 16.3°C
The month with the highest average low temperature is January (17.7°C).
The coldest months (with the lowest average low temperature) are July and August (10.2°C).
Average pressure in December
Heideveld, South Africa
- Average pressure in December: 1014.3mbar
The month with the highest atmospheric pressure is July (1022mbar).
The month with the lowest atmospheric pressure is February (1013.4mbar).
Average wind speed in December
Heideveld, South Africa
- Average wind speed in December: 17.3km/h
The windiest month (with the highest average wind speed) is January (17.6km/h).
The calmest month (with the lowest average wind speed) is May (13.4km/h).
Average humidity in December
Heideveld, South Africa
- Average humidity in December: 68%
The months with the highest relative humidity are June, August and September (74%).
The months with the lowest relative humidity are February, April and December (68%).
Average rainfall in December
Heideveld, South Africa
- Average rainfall in December: 16mm
The wettest month (with the highest rainfall) is June (98mm).
The driest month (with the least rainfall) is February (7mm).
Average rainfall days in December
Heideveld, South Africa
- Average rainfall days in December: 6.4 days
The month with the highest number of rainy days is June (13.8 days).
The month with the least rainy days is February (4.9 days).
Average daylight in December /
Average sunshine in December
Heideveld, South Africa
- Average daylight in December: 14h and 2min
The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).
- Average sunshine in December: 11h and 1min
The month with the most sunshine is December (Average sunshine: 11h and 6min).
The month with the least sunshine is June (Average sunshine: 6h and 0min).
Average sunshine days in December
Heideveld, South Africa
- Average sunshine days in December: 22.6 days
The month with the most sunshine days is January (23.1 days).
The month with the least sunshine days is June (14.6 days).
Average UV index in December
Heideveld, South Africa
- Average UV index in December: 6
The months with the highest UV index are January, February and December (UV index 6).
The months with the lowest UV index are May, June, July, August and September (UV index 4).
Average cloud cover in December
Heideveld, South Africa
- Average cloud cover in December: 19
The month with the most cloud cover is June (Cloud cover 34).
The month with the least cloud cover is February (Cloud cover 15).
Average visibility in December
Heideveld, 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).
Heideveld, South Africa
Weather forecast for your location
2. Allow the app to use your location
