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
The beginning of December records an average high-temperature of a still moderately hot 26.2°C (79.2°F), almost echoing the conditions of the previous month. The nighttime temperature shows a significant divergence from the daytime highs, averaging at a moderate 13.2°C (55.8°F) in December.Humidity
In December, the average relative humidity is 60%.Rainfall
In Stormsvlei, in December, during 7.5 rainfall days, 14mm (0.55") of precipitation is typically accumulated. In Stormsvlei, during the entire year, the rain falls for 101.2 days and collects up to 310mm (12.2") of precipitation.Daylight
With an average of 14h and 24min of daylight, December has the longest days of the year in Stormsvlei.On the first day of December in Stormsvlei, sunrise is at 05:20 and sunset at 19:36. On the last day of the month, sunrise is at 05:31 and sunset at 19:54 SAST.
Sunshine
The month with the most sunshine in Stormsvlei is December, with an average of 11.5h of sunshine.UV index
January, February and December, with an average maximum UV index of 6, are months with the highest UV index in Stormsvlei. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 6 in December leads to these recommendations:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Frequently asked questions
What are the temperatures in Stormsvlei in December?
What is the average humidity in December in Stormsvlei?
How much does it rain in Stormsvlei in December?
When are the longest days in Stormsvlei?
What is the average length of the day in December in Stormsvlei?
What time are sunrise and sunset in December in Stormsvlei?
What month has the most sunshine in Stormsvlei?
How long on average sun shines in December in Stormsvlei?
When is the highest UV index in Stormsvlei?
What is the UV index intensity in December in Stormsvlei?
Average temperature in December
Stormsvlei, South Africa
- Average high temperature in December: 26.2°C
The warmest month (with the highest average high temperature) is February (28.3°C).
The month with the lowest average high temperature is June (15.1°C).
- Average low temperature in December: 13.2°C
The month with the highest average low temperature is February (14.9°C).
The coldest month (with the lowest average low temperature) is August (5.1°C).
Average pressure in December
Stormsvlei, South Africa
- Average pressure in December: 1013.8mbar
The month with the highest atmospheric pressure is July (1022.2mbar).
The month with the lowest atmospheric pressure is February (1013.1mbar).
Average wind speed in December
Stormsvlei, South Africa
- Average wind speed in December: 10.4km/h
The windiest month (with the highest average wind speed) is November (10.8km/h).
The calmest month (with the lowest average wind speed) is April (9.3km/h).
Average humidity in December
Stormsvlei, South Africa
- Average humidity in December: 60%
The month with the highest relative humidity is August (72%).
The month with the lowest relative humidity is February (59%).
Average rainfall in December
Stormsvlei, South Africa
- Average rainfall in December: 14mm
The wettest month (with the highest rainfall) is June (66mm).
The driest month (with the least rainfall) is February (8mm).
Average rainfall days in December
Stormsvlei, South Africa
- Average rainfall days in December: 7.5 days
The month with the highest number of rainy days is June (11.7 days).
The month with the least rainy days is February (5.5 days).
Average daylight in December /
Average sunshine in December
Stormsvlei, South Africa
- Average daylight in December: 14h and 2min
The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).
- Average sunshine in December: 11h and 3min
The month with the most sunshine is December (Average sunshine: 11h and 30min).
The month with the least sunshine is June (Average sunshine: 6h and 6min).
Average sunshine days in December
Stormsvlei, South Africa
- Average sunshine days in December: 19.4 days
The month with the most sunshine days is March (21.6 days).
The month with the least sunshine days is June (15.7 days).
Average UV index in December
Stormsvlei, South Africa
- Average UV index in December: 6
The months with the highest UV index are January, February and December (UV index 6).
The months with the lowest UV index are June and July (UV index 3).
Average cloud cover in December
Stormsvlei, South Africa
- Average cloud cover in December: 20
The month with the most cloud cover is June (Cloud cover 33).
The month with the least cloud cover is February (Cloud cover 17).
Average visibility in December
Stormsvlei, South Africa
- Average visibility in December: 10km
The months with the highest visibility are January, February, March and December (10km).
The months with the lowest visibility are April, May, June, July, August, September, October and November (9km).
Stormsvlei, South Africa
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