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
Winner's weather undergoes a significant change with the arrival of December, as the average high-temperature drops from a chilly 46.6°F (8.1°C) in November to a subzero cold 31.1°F (-0.5°C). Winner's average low-temperature during December nights is observed to be a still freezing cold 18.3°F (-7.6°C).Humidity
In December, the average relative humidity in Winner is 79%.Rainfall
In Winner, in December, it is raining for 3.5 days, with typically 0.79" (20mm) of accumulated precipitation. Throughout the year, there are 103.9 rainfall days, and 16.85" (428mm) of precipitation is accumulated.Snowfall
Months with snowfall in Winner are January through May, October through December. December is the month with the most snowfall. Snow falls for 8 days and accumulates 3.19" (81mm) of snow.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year in Winner.On the first day of December in Winner, South Dakota, sunrise is at 7:52 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 8:11 am and sunset at 5:13 pm CST.
Sunshine
The average sunshine in December in Winner is 5.2h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: The average daily UV index of 1 in December transforms into the following instructions:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Frequently asked questions
How cold is it in Winner in December?
What is the average humidity in December in Winner?
How much does it rain in Winner in December?
When does it snow the most in Winner?
How many days does it snow in December in Winner?
What is the month with the shortest days in Winner?
How many hours of daylight does Winner have in December?
What time are sunrise and sunset in December in Winner?
How many hours of sunshine does Winner have in December?
What is the month with the lowest UV index in Winner?
What is the UV index intensity in December in Winner?
Average temperature in December
Winner, SD
- Average high temperature in December: 31.1°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in December: 18.3°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).
Average pressure in December
Winner, SD
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in December
Winner, SD
- Average wind speed in December: 10.9mph
The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (9.8mph).
Average humidity in December
Winner, SD
- Average humidity in December: 79%
The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are August and September (57%).
Average rainfall in December
Winner, 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 (0.47").
Average rainfall days in December
Winner, SD
- Average rainfall days in December: 3.5 days
The month with the highest number of rainy days is June (15.3 days).
The months with the least rainy days are January and February (2.7 days).
Average snowfall in December
Winner, SD
- Average snowfall in December: 3.19"
The month with the highest snowfall is December (3.19").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Winner, SD
- Average snowfall days in December: 8 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Winner, SD
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in December
Winner, SD
- Average sunshine days in December: 20.2 days
The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is June (11.2 days).
Average UV index in December
Winner, SD
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Winner, SD
- Average cloud cover in December: 44
The month with the most cloud cover is January (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 20).
Average visibility in December
Winner, SD
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Winner, South Dakota, USA
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