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 the onset of December, West Britton's weather experiences a distinct temperature drop, moving from an icy 39.2°F (4°C) in November to a subzero cold 22.6°F (-5.2°C). Throughout the month of December, West Britton observes an average nighttime temperature of 12.2°F (-11°C).Humidity
In West Britton, the average relative humidity in December is 87%.Rainfall
In West Britton, during December, the rain falls for 3.9 days and regularly aggregates up to 1.02" (26mm) of precipitation. Throughout the year, there are 109.5 rainfall days, and 20.39" (518mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. December is the month with the most snowfall. Snow falls for 15.2 days and accumulates 4.61" (117mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 7:52 am and sunset at 4:48 pm. On the last day of December, sunrise is at 8:12 am and sunset at 4:57 pm CST.
Sunshine
In West Britton, the average sunshine in December is 3.9h.UV index
In West Britton, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A daily high UV index of 2 in December leads to these guidelines:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. To cut down UV radiation exposure by about half, sport a wide-brim hat. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in West Britton?
What is the average humidity in December?
How many days does it rain in December in West Britton?
When does it snow the most?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How many hours of sunshine does West Britton have in December?
What is the UV index intensity in December?
Average temperature in December
West Britton, SD
- Average high temperature in December: 22.6°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (19°F).
- Average low temperature in December: 12.2°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).
Average pressure in December
West Britton, SD
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in December
West Britton, SD
- Average wind speed in December: 10.3mph
The windiest month (with the highest average wind speed) is October (10.8mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in December
West Britton, SD
- Average humidity in December: 87%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are August and September (62%).
Average rainfall in December
West Britton, SD
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in December
West Britton, SD
- Average rainfall days in December: 3.9 days
The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is February (2.4 days).
Average snowfall in December
West Britton, SD
- Average snowfall in December: 4.61"
The month with the highest snowfall is December (4.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
West Britton, SD
- Average snowfall days in December: 15.2 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
West Britton, SD
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
West Britton, SD
- Average sunshine days in December: 15 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in December
West Britton, SD
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and November (UV index 1).
Average cloud cover in December
West Britton, SD
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in December
West Britton, SD
- Average visibility in December: 6mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).
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