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 is witnessed with the onset of December, reducing from an icy 41.7°F (5.4°C) in November to a freezing cold 25°F (-3.9°C). December in Aberdeen is noted for a mean low-temperature of 12.7°F (-10.7°C).Humidity
In Aberdeen, the average relative humidity in December is 85%.Rainfall
In Aberdeen, in December, during 3.1 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. Throughout the year, there are 97.2 rainfall days, and 18.35" (466mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Aberdeen, in December, snow falls for 11.4 days, with typically accumulated 3.43" (87mm) of snow. In Aberdeen, South Dakota, during the entire year, snow falls for 54.8 days and aggregates up to 19.13" (486mm) of snow.Daylight
The month with the shortest days in Aberdeen is December, with an average of 8h and 48min of daylight.On the first day of the month, sunrise is at 7:54 am and sunset at 4:52 pm. On the last day of December, sunrise is at 8:13 am and sunset at 5:00 pm CST.
Sunshine
The average sunshine in December is 4.3h.UV index
The average daily maximum UV index in December in Aberdeen, South Dakota, is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Aberdeen have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What is the UV index intensity in December?
Average temperature in December
Aberdeen, 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
Aberdeen, 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
Aberdeen, 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
Aberdeen, 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
Aberdeen, 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
Aberdeen, 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
Aberdeen, 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
Aberdeen, 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
Aberdeen, 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
Aberdeen, 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
Aberdeen, 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
Aberdeen, 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
Aberdeen, 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).
Aberdeen, South Dakota, USA
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