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
December, with an average high of 31.6°C (88.9°F) and a low of 20.1°C (68.2°F), signifies the warmest month of the year.Heat index
The heat index value for December is computed to be a very hot 39°C (102.2°F). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.Be informed that the heat index values are oriented around shady conditions and gentle breezes. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a metric representing the sensation of warmth when air temperature and moisture come together. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
Perspiration, followed by sweat evaporation, is the human body's chief method to maintain a balanced temperature. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.
Humidity
In Ronaldsey, the average relative humidity in December is 70%.Rainfall
The month with the most rainfall in Ronaldsey is December, when the rain falls for 17.4 days and typically aggregates up to 79mm (3.11") of precipitation.Daylight
The month with the longest days in Ronaldsey, South Africa, is December, with an average of 13h and 42min of daylight.On the first day of the month, sunrise is at 04:56 and sunset at 18:31. On the last day of December, sunrise is at 05:08 and sunset at 18:47 SAST.
Sunshine
The average sunshine in December in Ronaldsey is 8.9h.UV index
The average daily maximum UV index in December is 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In December, the maximum UV index of 6 translates into these guidelines:
Guard oneself from overexposure. Defence against sun injury is vital. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Frequently asked questions
What is the hottest time of year in Ronaldsey?
How hot is December in Ronaldsey?
What is the average humidity in December in Ronaldsey?
What is the rainiest month in Ronaldsey?
How many days does it rain in December in Ronaldsey?
When are the longest days in Ronaldsey?
What is the average length of the day in December in Ronaldsey?
What time are sunrise and sunset in December in Ronaldsey?
How many hours of sunshine does Ronaldsey have in December?
What is the UV index intensity in December in Ronaldsey?
Average temperature in December
Ronaldsey, South Africa
- Average high temperature in December: 31.6°C
The warmest month (with the highest average high temperature) is December (31.6°C).
The month with the lowest average high temperature is July (24.9°C).
- Average low temperature in December: 20.1°C
The month with the highest average low temperature is January (20.3°C).
The coldest month (with the lowest average low temperature) is June (12°C).
Average pressure in December
Ronaldsey, South Africa
- Average pressure in December: 1013.8mbar
The month with the highest atmospheric pressure is July (1023.9mbar).
The month with the lowest atmospheric pressure is January (1013.2mbar).
Average wind speed in December
Ronaldsey, South Africa
- Average wind speed in December: 10.4km/h
The windiest month (with the highest average wind speed) is September (11.9km/h).
The calmest month (with the lowest average wind speed) is May (7.8km/h).
Average humidity in December
Ronaldsey, South Africa
- Average humidity in December: 70%
The months with the highest relative humidity are January, February and March (74%).
The month with the lowest relative humidity is September (53%).
Average rainfall in December
Ronaldsey, South Africa
- Average rainfall in December: 79mm
The wettest month (with the highest rainfall) is December (79mm).
The driest months (with the least rainfall) are June and July (4mm).
Average rainfall days in December
Ronaldsey, South Africa
- Average rainfall days in December: 17.4 days
The month with the highest number of rainy days is January (18.2 days).
The month with the least rainy days is June (2.6 days).
Average daylight in December /
Average sunshine in December
Ronaldsey, 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: 8h and 5min
The month with the most sunshine is February (Average sunshine: 9h and 12min).
The month with the least sunshine is April (Average sunshine: 6h and 18min).
Average sunshine days in December
Ronaldsey, South Africa
- Average sunshine days in December: 10.7 days
The month with the most sunshine days is June (26 days).
The month with the least sunshine days is January (9.7 days).
Average UV index in December
Ronaldsey, South Africa
- Average UV index in December: 6
The months with the highest UV index are January and November (UV index 7).
The months with the lowest UV index are June and July (UV index 5).
Average cloud cover in December
Ronaldsey, South Africa
- Average cloud cover in December: 47
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 14).
Average visibility in December
Ronaldsey, South Africa
- Average visibility in December: 9km
The months with the highest visibility are June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, May, November and December (9km).
Ronaldsey, South Africa
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