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
With average temperatures fluctuating between a high of 32.2°F (0.1°C) and a low of 18.9°F (-7.3°C), December stands out as the coldest month.Humidity
In December, the average relative humidity is 75%.Rainfall
In Whitewood, in December, during 5.8 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. Throughout the year, in Whitewood, there are 126.3 rainfall days, and 16.77" (426mm) of precipitation is accumulated.Snowfall
Months with snowfall in Whitewood are January through May, September through December. In Whitewood, during December, snow falls for 9.9 days and regularly aggregates up to 4.06" (103mm) of snow. Throughout the year, there are 62.1 snowfall days, and 36.26" (921mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 7:11 am and sunset at 4:16 pm. On the last day of December, in Whitewood, South Dakota, sunrise is at 7:30 am and sunset at 4:25 pm MST.
Sunshine
In Whitewood, the average sunshine in December is 6h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.Note: In December, a regular UV index of 2 translates into these guidelines:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Frequently asked questions
What month is the coldest in Whitewood?
How cold is December in Whitewood?
What is the average humidity in December in Whitewood?
How many days does it rain in December in Whitewood?
How many days does it snow in December in Whitewood?
What is the month with the shortest days in Whitewood?
What is the average length of the day in December in Whitewood?
When is the sunrise / sunset in December in Whitewood?
How many hours of sunshine does Whitewood have in December?
What are the months with the lowest UV index in Whitewood?
What is the UV index intensity in December in Whitewood?
Average temperature in December
Whitewood, SD
- Average high temperature in December: 32.2°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (32.2°F).
- Average low temperature in December: 18.9°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is February (18°F).
Average pressure in December
Whitewood, SD
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in December
Whitewood, SD
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is October (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (8.3mph).
Average humidity in December
Whitewood, SD
- Average humidity in December: 75%
The month with the highest relative humidity is January (77%).
The months with the lowest relative humidity are August and September (49%).
Average rainfall in December
Whitewood, SD
- Average rainfall in December: 0.75"
The wettest month (with the highest rainfall) is May (2.52").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in December
Whitewood, SD
- Average rainfall days in December: 5.8 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is December (5.8 days).
Average snowfall in December
Whitewood, SD
- Average snowfall in December: 4.06"
The month with the highest snowfall is April (8.23").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Whitewood, SD
- Average snowfall days in December: 9.9 days
The month with the highest number of snowfall days is February (12.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Whitewood, 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: 6h and 0min
The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 54min).
Average sunshine days in December
Whitewood, SD
- Average sunshine days in December: 17.8 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (9.4 days).
Average UV index in December
Whitewood, 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, February, November and December (UV index 2).
Average cloud cover in December
Whitewood, SD
- Average cloud cover in December: 36
The months with the most cloud cover are February and April (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in December
Whitewood, 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).
Whitewood, South Dakota, USA
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