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 sea temperature 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 onset of December marks an average high-temperature of a still pleasant 22.8°C (73°F), hardly differing from November's 21°C (69.8°F). Nighttime temperature lowers to an average of 16.5°C (61.7°F) in December.Humidity
In Wilderness, the average relative humidity in December is 74%.Rainfall
The month with the least rainfall is December, when the rain falls for 12.6 days and typically collects 16mm (0.63") of precipitation.Sea temperature
In Wilderness, the average seawater temperature in December is 20°C (68°F).Note: In 20°C (68°F), swimming is not an enjoyable activity for most. The challenge of managing one's breathing increases as the temperature goes under 21°C (69.8°F).
Daylight
December has the longest days of the year, with an average of 14h and 24min of daylight.On the first day of December in Wilderness, South Africa, sunrise is at 05:11 and sunset at 19:26. On the last day of the month, sunrise is at 05:21 and sunset at 19:44 SAST.
Sunshine
In Wilderness, the average sunshine in December is 9.4h.UV index
The month with the highest UV index in Wilderness is December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 6 in December, converts into the following recommendations:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Frequently asked questions
What are the temperatures in Wilderness in December?
What is the average humidity in December in Wilderness?
What is the driest month in Wilderness?
How much does it rain in Wilderness in December?
How cold is the water in December in Wilderness?
When are the longest days in Wilderness?
How many hours of daylight does Wilderness have in December?
When are sunrise and sunset in December in Wilderness?
How many hours of sunshine does Wilderness have in December?
When is the highest UV index in Wilderness?
What is the UV index reading in December in Wilderness?
Average temperature in December
Wilderness, South Africa
- Average high temperature in December: 22.8°C
The warmest month (with the highest average high temperature) is February (24.8°C).
The month with the lowest average high temperature is July (17.8°C).
- Average low temperature in December: 16.5°C
The month with the highest average low temperature is January (17.8°C).
The coldest month (with the lowest average low temperature) is August (10.8°C).
Average pressure in December
Wilderness, South Africa
- Average pressure in December: 1014.3mbar
The month with the highest atmospheric pressure is July (1022mbar).
The months with the lowest atmospheric pressure are January and February (1013.7mbar).
Average wind speed in December
Wilderness, South Africa
- Average wind speed in December: 13.3km/h
The windiest month (with the highest average wind speed) is June (13.7km/h).
The calmest month (with the lowest average wind speed) is May (11km/h).
Average humidity in December
Wilderness, South Africa
- Average humidity in December: 74%
The months with the highest relative humidity are February and March (75%).
The month with the lowest relative humidity is June (64%).
Average rainfall in December
Wilderness, South Africa
- Average rainfall in December: 16mm
The wettest month (with the highest rainfall) is August (31mm).
The driest month (with the least rainfall) is December (16mm).
Average rainfall days in December
Wilderness, South Africa
- Average rainfall days in December: 12.6 days
The month with the highest number of rainy days is March (12.9 days).
The month with the least rainy days is May (7.3 days).
Average sea temperature in December
Wilderness, South Africa
- Average sea temperature in December: 20°C
The best month for swimming (with the highest average sea temperature) is January (20.6°C).
The coldest month (with the lowest average sea temperature) is August (16.3°C).
Average daylight in December /
Average sunshine in December
Wilderness, 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: 9h and 2min
The month with the most sunshine is January (Average sunshine: 9h and 30min).
The month with the least sunshine is July (Average sunshine: 6h and 24min).
Average sunshine days in December
Wilderness, South Africa
- Average sunshine days in December: 14.6 days
The month with the most sunshine days is May (21.7 days).
The month with the least sunshine days is December (14.6 days).
Average UV index in December
Wilderness, South Africa
- Average UV index in December: 6
The month with the highest UV index is December (UV index 6).
The months with the lowest UV index are May, June, July and September (UV index 4).
Average cloud cover in December
Wilderness, South Africa
- Average cloud cover in December: 37
The month with the most cloud cover is October (Cloud cover 38).
The months with the least cloud cover are June and July (Cloud cover 26).
Average visibility in December
Wilderness, 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).
Wilderness, South Africa
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