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
Weather in December
Temperature
As Cavour welcomes December, the average high-temperature witnesses a distinct drop, moving from a chilly 43.7°F (6.5°C) in November to a subzero cold 27.3°F (-2.6°C). In December, in Cavour, the average low-temperature is a still freezing cold 14.7°F (-9.6°C).Humidity
In Cavour, South Dakota, the average relative humidity in December is 84%.Rainfall
In December, the rain falls for 3 days. Throughout December, 0.79" (20mm) of precipitation is accumulated. In Cavour, during the entire year, the rain falls for 101.8 days and collects up to 18.19" (462mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Cavour, South Dakota, in December, snow falls for 9.5 days, with typically accumulated 2.95" (75mm) of snow. Throughout the year, there are 42.3 snowfall days, and 16.54" (420mm) of snow is accumulated.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year in Cavour.On the first day of the month, sunrise is at 7:48 am and sunset at 4:54 pm. On the last day of December, sunrise is at 8:08 am and sunset at 5:02 pm CST.
Sunshine
In December, the average sunshine is 4.5h.UV index
The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
How cold is it in Cavour in December?
What is the average humidity in December in Cavour?
How many days does it rain in December in Cavour?
How much does it snow in Cavour in December?
What is the month with the shortest days in Cavour?
How many hours of daylight does Cavour have in December?
What time are sunrise and sunset in December in Cavour?
How many hours of sunshine does Cavour have in December?
What is the UV index reading in December in Cavour?
Average temperature in December
Cavour, SD
- Average high temperature in December: 27.3°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (23.2°F).
- Average low temperature in December: 14.7°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (8.2°F).
Average pressure in December
Cavour, SD
- Average pressure in December: 30.13"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in December
Cavour, SD
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (8.6mph).
Average humidity in December
Cavour, SD
- Average humidity in December: 84%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is September (62%).
Average rainfall in December
Cavour, SD
- Average rainfall in December: 0.79"
The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in December
Cavour, SD
- Average rainfall days in December: 3 days
The month with the highest number of rainy days is June (15.2 days).
The month with the least rainy days is February (1.8 days).
Average snowfall in December
Cavour, SD
- Average snowfall in December: 2.95"
The month with the highest snowfall is February (3.54").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Cavour, SD
- Average snowfall days in December: 9.5 days
The month with the highest number of snowfall days is December (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Cavour, SD
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 4h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Cavour, SD
- Average sunshine days in December: 20.9 days
The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in December
Cavour, SD
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and November (UV index 1).
Average cloud cover in December
Cavour, SD
- Average cloud cover in December: 50
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 22).
Average visibility in December
Cavour, SD
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Cavour, South Dakota, USA
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