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
A clear reduction in the average high-temperature marks the arrival of December, falling from a cold 41.7°F (5.4°C) in November to a subzero cold 25°F (-3.9°C). Mansfield observes an average nighttime temperature of 12.7°F (-10.7°C) during December.Humidity
In Mansfield, the average relative humidity in December is 85%.Rainfall
In Mansfield, in December, during 3.1 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. Throughout the year, in Mansfield, there are 97.2 rainfall days, and 18.35" (466mm) of precipitation is accumulated.Snowfall
Months with snowfall in Mansfield are January through May, October through December. In Mansfield, in December, during 11.4 snowfall days, 3.43" (87mm) of snow is typically accumulated. In Mansfield, South Dakota, during the entire year, snow falls for 54.8 days and aggregates up to 19.13" (486mm) of snow.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year in Mansfield.On the first day of the month, sunrise is at 7:53 am and sunset at 4:53 pm. On the last day of December, sunrise is at 8:13 am and sunset at 5:01 pm CST.
Sunshine
The average sunshine in December is 4.3h.UV index
In Mansfield, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 2 suggests this advice:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
How cold is it in Mansfield in December?
What is the average humidity in December in Mansfield?
How much does it rain in Mansfield in December?
How many days does it snow in December in Mansfield?
What is the month with the shortest days in Mansfield?
How many hours of daylight does Mansfield have in December?
When are sunrise and sunset in December in Mansfield?
How long on average sun shines in December in Mansfield?
What is the UV index reading in December in Mansfield?
Average temperature in December
Mansfield, SD
- Average high temperature in December: 25°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (20.7°F).
- Average low temperature in December: 12.7°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (6.3°F).
Average pressure in December
Mansfield, 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
Mansfield, SD
- Average wind speed in December: 9.5mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity in December
Mansfield, SD
- Average humidity in December: 85%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are August and September (60%).
Average rainfall in December
Mansfield, SD
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in December
Mansfield, SD
- Average rainfall days in December: 3.1 days
The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is February (2 days).
Average snowfall in December
Mansfield, SD
- Average snowfall in December: 3.43"
The month with the highest snowfall is January (3.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Mansfield, SD
- Average snowfall days in December: 11.4 days
The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mansfield, 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 2min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Mansfield, SD
- Average sunshine days in December: 18.9 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is June (12.7 days).
Average UV index in December
Mansfield, 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 and November (UV index 1).
Average cloud cover in December
Mansfield, SD
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 23).
Average visibility in December
Mansfield, 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).
Mansfield, South Dakota, USA
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