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 drop of average high-temperatures is noticeable in December, with a decrease from a cold 39.2°F (4°C) in November to a subzero cold 22.6°F (-5.2°C). Britton, in December, observes a steady average low-temperature of 12.2°F (-11°C).Humidity
The average relative humidity in December is 87%.Rainfall
In Britton, during December, the rain falls for 3.9 days and regularly aggregates up to 1.02" (26mm) of precipitation. In Britton, during the entire year, the rain falls for 109.5 days and collects up to 20.39" (518mm) of precipitation.Snowfall
Months with snowfall in Britton, South Dakota, are January through May, October through December. The month with the most snowfall is December, when snow falls for 15.2 days and typically aggregates up to 4.61" (117mm) of snow.Daylight
December has the shortest days of the year in Britton, South Dakota, with an average of 8h and 42min of daylight.On the first day of December, sunrise is at 7:52 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 8:12 am and sunset at 4:56 pm CST.
Sunshine
The average sunshine in December in Britton is 3.9h.UV index
The average daily maximum UV index in December in Britton is 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 2 during December leads to these advisories:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Frequently asked questions
How cold is it in Britton in December?
What is the average humidity in December in Britton?
How many days does it rain in December in Britton?
When does it snow the most in Britton?
How many days does it snow in December in Britton?
What is the month with the shortest days in Britton?
How many hours of daylight does Britton have in December?
What time are sunrise and sunset in December in Britton?
How many hours of sunshine does Britton have in December?
What is the UV index intensity in December in Britton?
Average temperature in December
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
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
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
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
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
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
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
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
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
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
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
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
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).
Britton, South Dakota, USA
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