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
Upon the onset of December, Hennenman witnesses an average high-temperature of a tropical 30.1°C (86.2°F), showing a close resemblance to the prior month. During the nights in December, Hennenman records a pronounced shift from the daytime warmth, with a consistent average temperature of 17.5°C (63.5°F).Heat index
The heat index value during December is calculated to be a hot 30°C (86°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.Understanding the heat index involves considering values for shaded locales with light wind. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
Humidity
In December, the average relative humidity is 44%.Rainfall
In Hennenman, South Africa, during December, the rain falls for 11.7 days and regularly aggregates up to 29mm (1.14") of precipitation. In Hennenman, during the entire year, the rain falls for 73.3 days and collects up to 192mm (7.56") of precipitation.Daylight
The month with the longest days in Hennenman is December, with an average of 13h and 54min of daylight.On the first day of the month, sunrise is at 05:07 and sunset at 18:54. On the last day of December, in Hennenman, sunrise is at 05:18 and sunset at 19:11 SAST.
Sunshine
In Hennenman, South Africa, the average sunshine in December is 11.7h.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 reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the average person.Note: A maximum daily UV index of 6 during December morphs into the following directions:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. 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. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is December in Hennenman?
What is the average humidity in December in Hennenman?
How many days does it rain in December in Hennenman?
When are the longest days in Hennenman?
What is the average length of the day in December in Hennenman?
What time are sunrise and sunset in December in Hennenman?
How long on average sun shines in December in Hennenman?
What is the month with the highest UV index in Hennenman?
What is the UV index intensity in December in Hennenman?
Average temperature in December
Hennenman, South Africa
- Average high temperature in December: 30.1°C
The warmest month (with the highest average high temperature) is January (30.2°C).
The month with the lowest average high temperature is June (17.3°C).
- Average low temperature in December: 17.5°C
The month with the highest average low temperature is January (18.6°C).
The coldest month (with the lowest average low temperature) is July (5.5°C).
Average pressure in December
Hennenman, South Africa
- Average pressure in December: 1012.5mbar
The month with the highest atmospheric pressure is July (1025mbar).
The month with the lowest atmospheric pressure is January (1012.4mbar).
Average wind speed in December
Hennenman, South Africa
- Average wind speed in December: 13.2km/h
The windiest month (with the highest average wind speed) is November (14.4km/h).
The calmest month (with the lowest average wind speed) is May (9km/h).
Average humidity in December
Hennenman, South Africa
- Average humidity in December: 44%
The month with the highest relative humidity is February (53%).
The month with the lowest relative humidity is September (30%).
Average rainfall in December
Hennenman, South Africa
- Average rainfall in December: 29mm
The wettest month (with the highest rainfall) is January (33mm).
The driest months (with the least rainfall) are July and August (2mm).
Average rainfall days in December
Hennenman, South Africa
- Average rainfall days in December: 11.7 days
The month with the highest number of rainy days is January (11.9 days).
The month with the least rainy days is July (1.4 days).
Average daylight in December /
Average sunshine in December
Hennenman, South Africa
- Average daylight in December: 13h and 5min
The month with the longest days is December (Average daylight: 13h and 54min).
The month with the shortest days is June (Average daylight: 10h and 24min).
- Average sunshine in December: 11h and 4min
The month with the most sunshine is November (Average sunshine: 11h and 54min).
The month with the least sunshine is August (Average sunshine: 7h and 24min).
Average sunshine days in December
Hennenman, South Africa
- Average sunshine days in December: 16.6 days
The month with the most sunshine days is July (29.3 days).
The month with the least sunshine days is February (15.3 days).
Average UV index in December
Hennenman, 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
Hennenman, South Africa
- Average cloud cover in December: 18
The months with the most cloud cover are January and February (Cloud cover 19).
The months with the least cloud cover are July and August (Cloud cover 6).
Average visibility in December
Hennenman, 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).
Hennenman, South Africa
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