December weather forecastArdmore, SD
December
Weather in December
The first month of the winter, December, is also a wintry month in Ardmore, South Dakota, with an average temperature ranging between max 32°F (0°C) and min 18.9°F (-7.3°C).Temperature
December, with an average high of 32°F (0°C) and a low of 18.9°F (-7.3°C), signifies the coldest month of the year.Humidity
In December, the average relative humidity is 72%.Rainfall
In Ardmore, in December, during 2.7 rainfall days, 0.39" (10mm) of precipitation is typically accumulated. Throughout the year, there are 94.9 rainfall days, and 10.39" (264mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. In Ardmore, in December, snow falls for 6.6 days, with typically accumulated 1.77" (45mm) of snow. In Ardmore, South Dakota, during the entire year, snow falls for 43.5 days and aggregates up to 15.63" (397mm) of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year in Ardmore.On the first day of December, sunrise is at 7:06 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:30 pm MST.
Sunshine
The months with the least sunshine are February and December, with an average of 6.2h of sunshine.UV index
The months with the lowest UV index in Ardmore, South Dakota, are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ardmore, SD
- Average high temperature in December: 32°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is December (32°F).
- Average low temperature in December: 18.9°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is December (18.9°F).
Average pressure in December
Ardmore, SD
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in December
Ardmore, SD
- Average wind speed in December: 11.2mph
The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (9.3mph).
Average humidity in December
Ardmore, SD
- Average humidity in December: 72%
The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is August (44%).
Average rainfall in December
Ardmore, SD
- Average rainfall in December: 0.39"
The wettest months (with the highest rainfall) are May and June (1.57").
The driest month (with the least rainfall) is January (0.28").
Average rainfall days in December
Ardmore, SD
- Average rainfall days in December: 2.7 days
The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is December (2.7 days).
Average snowfall in December
Ardmore, SD
- Average snowfall in December: 1.77"
The month with the highest snowfall is March (2.56").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Ardmore, SD
- Average snowfall days in December: 6.6 days
The month with the highest number of snowfall days is February (8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Ardmore, SD
- Average daylight in December: 9h and 6min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 6h and 12min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The months with the least sunshine are February and December (Average sunshine: 6h and 12min).
Average sunshine days in December
Ardmore, SD
- Average sunshine days in December: 22.9 days
The month with the most sunshine days is December (22.9 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in December
Ardmore, 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, November and December (UV index 2).
Average cloud cover in December
Ardmore, SD
- Average cloud cover in December: 33
The month with the most cloud cover is February (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in December
Ardmore, 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).
