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
The shift into December is marked by a considerable temperature decrease, with the average high-temperature dropping from a cold 40.3°F (4.6°C) in November to a freezing cold 24.4°F (-4.2°C). During December, Big Stone City records a consistent average nighttime temperature of 13.3°F (-10.4°C).Humidity
In Big Stone City, the average relative humidity in December is 85%.Rainfall
In December, in Big Stone City, the rain falls for 4.5 days. Throughout December, 1.1" (28mm) of precipitation is accumulated. In Big Stone City, during the entire year, the rain falls for 106.9 days and collects up to 19.84" (504mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. December is the month with the most snowfall in Big Stone City. Snow falls for 11.7 days and accumulates 4.76" (121mm) of snow.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year in Big Stone City.On the first day of December in Big Stone City, South Dakota, sunrise is at 7:45 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 8:05 am and sunset at 4:53 pm CST.
Sunshine
The average sunshine in December is 4.1h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Big Stone City. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: An average UV index of 1 in December transforms into this advice:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
How cold is it in Big Stone City in December?
What is the average humidity in December in Big Stone City?
How many days does it rain in December in Big Stone City?
What is the snowiest month in Big Stone City?
How many days does it snow in December in Big Stone City?
What is the month with the shortest days in Big Stone City?
How many hours of daylight does Big Stone City have in December?
What time are sunrise and sunset in December in Big Stone City?
How many hours of sunshine does Big Stone City have in December?
When is the lowest UV index in Big Stone City?
What is the UV index intensity in December in Big Stone City?
Average temperature in December
Big Stone City, SD
- Average high temperature in December: 24.4°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (19.6°F).
- Average low temperature in December: 13.3°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (5.5°F).
Average pressure in December
Big Stone City, SD
- Average pressure in December: 30.12"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in December
Big Stone City, SD
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in December
Big Stone City, SD
- Average humidity in December: 85%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (66%).
Average rainfall in December
Big Stone City, SD
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is June (3.07").
The driest month (with the least rainfall) is February (0.55").
Average rainfall days in December
Big Stone City, SD
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is June (16.1 days).
The month with the least rainy days is February (1.8 days).
Average snowfall in December
Big Stone City, SD
- Average snowfall in December: 4.76"
The month with the highest snowfall is December (4.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Big Stone City, SD
- Average snowfall days in December: 11.7 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Big Stone City, SD
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Big Stone City, SD
- Average sunshine days in December: 16.9 days
The months with the most sunshine days are October and November (18.7 days).
The month with the least sunshine days is June (11.4 days).
Average UV index in December
Big Stone City, SD
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Big Stone City, SD
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 25).
Average visibility in December
Big Stone City, 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).
Big Stone City, South Dakota, USA
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