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 experiences an average high-temperature of a still warm 25°C (77°F), barely different from November's 23.4°C (74.1°F). During December, an average low-temperature of 18.6°C (65.5°F) is observed.Humidity
The most humid month is December, with an average relative humidity of 83%.Rainfall
The month with the most rainfall is December, when the rain falls for 21.7 days and typically aggregates up to 78mm (3.07") of precipitation.Daylight
December has the longest days of the year, with an average of 14h and 0min of daylight.On the first day of the month, sunrise is at 04:48 and sunset at 18:43. On the last day of December, sunrise is at 04:59 and sunset at 19:00 SAST.
Sunshine
The average sunshine in December is 7.3h.UV index
January through March 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 health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A typical high UV index of 6 in December suggests the following recommendations:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Kloof in December?
What is the most humid month?
What is the average humidity in December?
What is the wettest month?
How much does it rain in December?
When are the longest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
When is the highest UV index?
How high is the UV index in December?
Average temperature in December
Kloof, South Africa
- Average high temperature in December: 25°C
The warmest month (with the highest average high temperature) is February (26.6°C).
The month with the lowest average high temperature is July (21.2°C).
- Average low temperature in December: 18.6°C
The month with the highest average low temperature is February (20°C).
The coldest month (with the lowest average low temperature) is July (13.2°C).
Average pressure in December
Kloof, South Africa
- Average pressure in December: 1014.3mbar
The month with the highest atmospheric pressure is July (1023.2mbar).
The month with the lowest atmospheric pressure is January (1014.2mbar).
Average wind speed in December
Kloof, South Africa
- Average wind speed in December: 12.6km/h
The windiest month (with the highest average wind speed) is October (13.9km/h).
The calmest month (with the lowest average wind speed) is May (10.7km/h).
Average humidity in December
Kloof, South Africa
- Average humidity in December: 83%
The month with the highest relative humidity is December (83%).
The months with the lowest relative humidity are June and July (64%).
Average rainfall in December
Kloof, South Africa
- Average rainfall in December: 78mm
The wettest month (with the highest rainfall) is December (78mm).
The driest month (with the least rainfall) is June (10mm).
Average rainfall days in December
Kloof, South Africa
- Average rainfall days in December: 21.7 days
The month with the highest number of rainy days is December (21.7 days).
The month with the least rainy days is June (5.8 days).
Average daylight in December /
Average sunshine in December
Kloof, South Africa
- Average daylight in December: 14h and 0min
The month with the longest days is December (Average daylight: 14h and 0min).
The month with the shortest days is June (Average daylight: 10h and 18min).
- Average sunshine in December: 7h and 2min
The month with the most sunshine is February (Average sunshine: 8h and 36min).
The month with the least sunshine is April (Average sunshine: 6h and 0min).
Average sunshine days in December
Kloof, South Africa
- Average sunshine days in December: 6.5 days
The months with the most sunshine days are June and July (22.1 days).
The month with the least sunshine days is December (6.5 days).
Average UV index in December
Kloof, South Africa
- Average UV index in December: 6
The months with the highest UV index are January, February, March and December (UV index 6).
The months with the lowest UV index are April, May, June, July, August, September, October and November (UV index 5).
Average cloud cover in December
Kloof, South Africa
- Average cloud cover in December: 57
The month with the most cloud cover is December (Cloud cover 57).
The month with the least cloud cover is June (Cloud cover 17).
Average visibility in December
Kloof, South Africa
- Average visibility in December: 9km
The months with the highest visibility are April, May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, October, November and December (9km).
