December weather forecast
Ardmore, SD

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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.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest in Ardmore?

The coldest month is December, with an average high-temperature of 32°F (0°C) and an average low-temperature of 18.9°F (-7.3°C).

How cold is it in Ardmore in December?

An average high-temperature, in December, in Ardmore, is 32°F (0°C) and the average low-temperature is 18.9°F (-7.3°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 84.2°F (29°C).

What is the average humidity in December in Ardmore?

In Ardmore, South Dakota, the average relative humidity in December is 72%.

How many days does it rain in December in Ardmore?

In December, in Ardmore, the rain falls for 2.7 days. Throughout December, 0.39" (10mm) of precipitation is accumulated.

How much does it snow in Ardmore in December?

In Ardmore, in December, snow falls for 6.6 days, with typically accumulated 1.77" (45mm) of snow.

What is the month with the shortest days in Ardmore?

The month with the shortest days in Ardmore is December, with an average of 9h and 6min of daylight.

How many hours of daylight does Ardmore have in December?

In December, the average day length in Ardmore, South Dakota, is 9h and 4min.

When are sunrise and sunset in December 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.

What are the months with the least sunshine in Ardmore?

The months with the least sunshine in Ardmore are February and December, with an average of 6.2h of sunshine.

How long on average sun shines in December in Ardmore?

The average sunshine duration in December in Ardmore is 6.2h.

When is the lowest UV index in Ardmore?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Ardmore, South Dakota.

What is the UV index intensity in December in Ardmore?

The average daily maximum UV index in December in Ardmore is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Ardmore, SD

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in December - Ardmore, SD
  • Average daylight in December: 9h and 1min

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 1min

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 - 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 - 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 - 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 - 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).

Ardmore, South Dakota, USA

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