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
Temperature records mark December as the warmest month, with highs averaging 29.3°C (84.7°F) and lows at 18.3°C (64.9°F).Heat index
In December, the average heat index is appraised at a hot 30°C (86°F). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.In reference to the heat index, it's for places in shade and with a slight wind. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', embodies the combination of air temperature and moisture content to illustrate perceived heat. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
Humidity
In December, the average relative humidity in Delareyville is 46%.Rainfall
December is the month with the most rainfall in Delareyville. Rain falls for 15.7 days and accumulates 74mm (2.91") of precipitation.Daylight
The month with the longest days is December, with an average of 13h and 48min of daylight.On the first day of the month, sunrise is at 05:16 and sunset at 18:58. On the last day of December, in Delareyville, sunrise is at 05:27 and sunset at 19:14 SAST.
Sunshine
In Delareyville, the average sunshine in December is 11.6h.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 value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high daily UV index of 6 during December translates into the following directions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Frequently asked questions
What part of the year is the hottest in Delareyville?
How hot is December in Delareyville?
What is the average humidity in December in Delareyville?
What is the wettest month in Delareyville?
How many days does it rain in December in Delareyville?
When are the longest days in Delareyville?
How many hours of daylight does Delareyville have in December?
When are sunrise and sunset in December in Delareyville?
How long on average sun shines in December in Delareyville?
What are the months with the highest UV index in Delareyville?
How high is the UV index in December in Delareyville?
Average temperature in December
Delareyville, South Africa
- Average high temperature in December: 29.3°C
The warmest month (with the highest average high temperature) is December (29.3°C).
The month with the lowest average high temperature is June (17.8°C).
- Average low temperature in December: 18.3°C
The month with the highest average low temperature is December (18.3°C).
The coldest month (with the lowest average low temperature) is July (5.6°C).
Average pressure in December
Delareyville, South Africa
- Average pressure in December: 1011.9mbar
The month with the highest atmospheric pressure is July (1024.5mbar).
The month with the lowest atmospheric pressure is January (1011.7mbar).
Average wind speed in December
Delareyville, South Africa
- Average wind speed in December: 13.2km/h
The windiest months (with the highest average wind speed) are September and November (15km/h).
The calmest month (with the lowest average wind speed) is March (10.3km/h).
Average humidity in December
Delareyville, South Africa
- Average humidity in December: 46%
The month with the highest relative humidity is February (58%).
The month with the lowest relative humidity is September (29%).
Average rainfall in December
Delareyville, South Africa
- Average rainfall in December: 74mm
The wettest month (with the highest rainfall) is December (74mm).
The driest months (with the least rainfall) are July and August (1mm).
Average rainfall days in December
Delareyville, South Africa
- Average rainfall days in December: 15.7 days
The month with the highest number of rainy days is January (16.4 days).
The months with the least rainy days are July and August (1.2 days).
Average daylight in December /
Average sunshine in December
Delareyville, South Africa
- Average daylight in December: 13h and 5min
The month with the longest days is December (Average daylight: 13h and 48min).
The month with the shortest days is June (Average daylight: 10h and 30min).
- Average sunshine in December: 11h and 4min
The months with the most sunshine are October and November (Average sunshine: 11h and 48min).
The months with the least sunshine are May and June (Average sunshine: 7h and 36min).
Average sunshine days in December
Delareyville, South Africa
- Average sunshine days in December: 12 days
The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is January (11.3 days).
Average UV index in December
Delareyville, 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
Delareyville, South Africa
- Average cloud cover in December: 19
The month with the most cloud cover is January (Cloud cover 21).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in December
Delareyville, 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).
Delareyville, South Africa
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