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
Greenview's average high-temperature in December is a still moderately hot 28.1°C (82.6°F), marking an insignificant difference from the 27.8°C (82°F) of November. The low-temperature average for Greenview during December stands at a refreshing 17.1°C (62.8°F).Heat index
December's heat index is evaluated at a hot 30°C (86°F). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.Take into consideration that the heat index values are calculated for shade and light wind conditions. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', melds the effects of warmth and moisture to generate a feeling of heat. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.
Humidity
In Greenview, the average relative humidity in December is 61%.Rainfall
In Greenview, South Africa, in December, during 20.5 rainfall days, 81mm (3.19") of precipitation is typically accumulated. Throughout the year, in Greenview, there are 123.3 rainfall days, and 430mm (16.93") of precipitation is accumulated.Daylight
With an average of 13h and 42min of daylight, December has the longest days of the year in Greenview.On the first day of December in Greenview, South Africa, sunrise is at 05:06 and sunset at 18:44. On the last day of the month, sunrise is at 05:18 and sunset at 19:01 SAST.
Sunshine
In December, the average sunshine is 11.3h.UV index
January through March, 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 unprotected exposure to Sun's UV rays for the average person.Note: In December, the maximum UV index of 6 transforms into these recommendations:
Deter overexposure. Protecting against the sun's effects is essential. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Greenview in December?
What is the average humidity in December in Greenview?
How much does it rain in Greenview in December?
When are the longest days in Greenview?
What is the average length of the day in December in Greenview?
When are sunrise and sunset in December in Greenview?
How long on average sun shines in December in Greenview?
What are the months with the highest UV index in Greenview?
What is the UV index reading in December in Greenview?
Average temperature in December
Greenview, South Africa
- Average high temperature in December: 28.1°C
The warmest month (with the highest average high temperature) is January (28.3°C).
The months with the lowest average high temperature are June and July (18.8°C).
- Average low temperature in December: 17.1°C
The months with the highest average low temperature are January and December (17.1°C).
The coldest month (with the lowest average low temperature) is July (6.7°C).
Average pressure in December
Greenview, South Africa
- Average pressure in December: 1013.5mbar
The month with the highest atmospheric pressure is July (1024.6mbar).
The month with the lowest atmospheric pressure is January (1013.2mbar).
Average wind speed in December
Greenview, South Africa
- Average wind speed in December: 9.9km/h
The windiest months (with the highest average wind speed) are October and November (11.5km/h).
The calmest month (with the lowest average wind speed) is May (7.7km/h).
Average humidity in December
Greenview, South Africa
- Average humidity in December: 61%
The months with the highest relative humidity are January and February (64%).
The month with the lowest relative humidity is September (36%).
Average rainfall in December
Greenview, South Africa
- Average rainfall in December: 81mm
The wettest month (with the highest rainfall) is January (92mm).
The driest month (with the least rainfall) is July (0mm).
Average rainfall days in December
Greenview, South Africa
- Average rainfall days in December: 20.5 days
The month with the highest number of rainy days is January (21.8 days).
The month with the least rainy days is July (0.8 days).
Average daylight in December /
Average sunshine in December
Greenview, 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 36min).
- Average sunshine in December: 11h and 2min
The month with the most sunshine is October (Average sunshine: 11h and 48min).
The months with the least sunshine are April and August (Average sunshine: 7h and 30min).
Average sunshine days in December
Greenview, South Africa
- Average sunshine days in December: 6.5 days
The month with the most sunshine days is July (29.8 days).
The months with the least sunshine days are January and December (6.5 days).
Average UV index in December
Greenview, South Africa
- Average UV index in December: 6
The months with the highest UV index are January, February, March, 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
Greenview, South Africa
- Average cloud cover in December: 25
The month with the most cloud cover is January (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in December
Greenview, South Africa
- Average visibility in December: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
Greenview, South Africa
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