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 snowfall in December
- Average snowfall 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
Vredendal observes an average high-temperature of a still moderately hot 27.8°C (82°F) in December, barely different from 25.5°C (77.9°F) in November. Vredendal's temperature in December declines substantially from daytime highs, settling at a consistent average of 15.5°C (59.9°F) during the nights.Heat index
The average heat index in December is computed to be 27°C (80.6°F). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.It is emphasized that the heat index's values are meant for shaded zones with mild winds. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', evaluates the perceived heat by adding the effect of moisture in the air. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values remain especially vital for babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Humidity
In Vredendal, the average relative humidity in December is 40%.Rainfall
In Vredendal, during December, the rain falls for 4.4 days and regularly aggregates up to 13mm (0.51") of precipitation. Throughout the year, there are 54.8 rainfall days, and 114mm (4.49") of precipitation is accumulated.Snowfall
In Vredendal, snow does not fall in January through May, September through December.Daylight
With an average of 14h and 12min of daylight, December has the longest days of the year in Vredendal.On the first day of the month, sunrise is at 05:33 and sunset at 19:36. On the last day of December, in Vredendal, South Africa, sunrise is at 05:43 and sunset at 19:54 SAST.
Sunshine
With an average of 11.9h of sunshine, December has the most sunshine of the year.UV index
December is the month with the highest UV index in Vredendal, with an average maximum UV index of 7. A UV Index estimate 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 high UV index of 7 in December translates into the following recommendations:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Vredendal in December?
What is the average humidity in December in Vredendal?
How many days does it rain in December in Vredendal?
When it does not snow in Vredendal?
When are the longest days in Vredendal?
How many hours of daylight does Vredendal have in December?
What time are sunrise and sunset in December in Vredendal?
What month has the most sunshine in Vredendal?
How many hours of sunshine does Vredendal have in December?
What is the month with the highest UV index in Vredendal?
What is the UV index intensity in December in Vredendal?
Average temperature in December
Vredendal, South Africa
- Average high temperature in December: 27.8°C
The warmest month (with the highest average high temperature) is January (29.7°C).
The months with the lowest average high temperature are June and July (15.1°C).
- Average low temperature in December: 15.5°C
The month with the highest average low temperature is February (17.7°C).
The coldest month (with the lowest average low temperature) is July (5.7°C).
Average pressure in December
Vredendal, South Africa
- Average pressure in December: 1012.2mbar
The month with the highest atmospheric pressure is July (1023mbar).
The month with the lowest atmospheric pressure is January (1011.6mbar).
Average wind speed in December
Vredendal, South Africa
- Average wind speed in December: 13.8km/h
The windiest month (with the highest average wind speed) is November (14.3km/h).
The calmest month (with the lowest average wind speed) is May (11.5km/h).
Average humidity in December
Vredendal, South Africa
- Average humidity in December: 40%
The month with the highest relative humidity is June (59%).
The month with the lowest relative humidity is November (38%).
Average rainfall in December
Vredendal, South Africa
- Average rainfall in December: 13mm
The wettest month (with the highest rainfall) is June (15mm).
The driest month (with the least rainfall) is September (4mm).
Average rainfall days in December
Vredendal, South Africa
- Average rainfall days in December: 4.4 days
The month with the highest number of rainy days is June (6.4 days).
The month with the least rainy days is November (2.8 days).
Average snowfall in December
Vredendal, South Africa
- Average snowfall in December: 0mm
The month with the highest snowfall is August (3mm).
The months with the least snowfall are January, February, March, April, May, September, October, November and December (0mm).
Average snowfall days in December
Vredendal, South Africa
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is August (0.5 days).
The months with the least snowfall days are January, February, March, April, May, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Vredendal, South Africa
- Average daylight in December: 14h and 1min
The month with the longest days is December (Average daylight: 14h and 12min).
The month with the shortest days is June (Average daylight: 10h and 6min).
- Average sunshine in December: 11h and 5min
The month with the most sunshine is December (Average sunshine: 11h and 54min).
The month with the least sunshine is June (Average sunshine: 6h and 36min).
Average sunshine days in December
Vredendal, South Africa
- Average sunshine days in December: 25.9 days
The month with the most sunshine days is March (26.2 days).
The month with the least sunshine days is February (22.9 days).
Average UV index in December
Vredendal, South Africa
- Average UV index in December: 7
The month with the highest UV index is December (UV index 7).
The months with the lowest UV index are May, June, July, August and September (UV index 4).
Average cloud cover in December
Vredendal, South Africa
- Average cloud cover in December: 10
The month with the most cloud cover is June (Cloud cover 26).
The months with the least cloud cover are January and February (Cloud cover 8).
Average visibility in December
Vredendal, 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).
