December weather forecast
Elm Springs, SD

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Weather in December

The first month of the winter, December, is also an icy month in Elm Springs, South Dakota, with temperature in the range of an average low of 18.7°F (-7.4°C) and an average high of 32.5°F (0.3°C).

Temperature

With an average high-temperature of 32.5°F (0.3°C) and an average low-temperature of 18.7°F (-7.4°C), December is the coldest month.

Humidity

The average relative humidity in December is 74%.

Rainfall

In Elm Springs, in December, it is raining for 4.8 days, with typically 0.63" (16mm) of accumulated precipitation. Throughout the year, there are 118.8 rainfall days, and 15.39" (391mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. In Elm Springs, during December, snow falls for 8.1 days and regularly aggregates up to 2.64" (67mm) of snow. Throughout the year, there are 50.4 snowfall days, and 24.41" (620mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 8h and 54min of daylight.
On the first day of the month, sunrise is at 7:06 am and sunset at 4:12 pm. On the last day of December, sunrise is at 7:25 am and sunset at 4:21 pm MST.

Sunshine

In Elm Springs, the average sunshine in December is 6h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The average daily UV index of 2 in December transforms into the following instructions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

In Elm Springs, the average lowest temperatures are observed in December, with a high of 32.5°F (0.3°C) and a low of 18.7°F (-7.4°C).

How cold is it in December?

Elm Springs in December has an average high-temperature of 32.5°F (0.3°C) and an average low-temperature of 18.7°F (-7.4°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in August is estimated at 84.2°F (29°C).

What is the average humidity in December?

In December, the average relative humidity is 74%.

How many days does it rain in December?

In Elm Springs, during December, the rain falls for 4.8 days and regularly aggregates up to 0.63" (16mm) of precipitation.

How many days does it snow in December in Elm Springs?

In Elm Springs, in December, snow falls for 8.1 days, with typically accumulated 2.64" (67mm) of snow.

What is the month with the shortest days in Elm Springs?

December has the shortest days of the year, with an average of 8h and 54min of daylight.

How many hours of daylight does Elm Springs have in December?

In Elm Springs, the average day length in December is 8h and 55min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:06 am and sunset at 4:12 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:21 pm MST.

How long on average sun shines in December?

In Elm Springs, South Dakota, the average sunshine duration in December is 6h.

What are the months with the lowest UV index?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

How high is the UV index in December?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to Sun's UV rays.
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
Elm Springs, SD

Average temperature in December - Elm Springs, SD
  • Average high temperature in December: 32.5°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (32.5°F).

  • Average low temperature in December: 18.7°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is February (17.8°F).

Average pressure in December
Elm Springs, SD

Average pressure in December - Elm Springs, SD
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in December
Elm Springs, SD

Average wind speed in December - Elm Springs, SD
  • Average wind speed in December: 8.9mph

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (8.2mph).

Average humidity in December
Elm Springs, SD

Average humidity in December - Elm Springs, SD
  • Average humidity in December: 74%

The month with the highest relative humidity is January (77%).
The months with the lowest relative humidity are August and September (50%).

Average rainfall in December
Elm Springs, SD

Average rainfall in December - Elm Springs, SD
  • Average rainfall in December: 0.63"

The wettest month (with the highest rainfall) is May (2.28").
The driest month (with the least rainfall) is January (0.43").

Average rainfall days in December
Elm Springs, SD

Average rainfall days in December - Elm Springs, SD
  • Average rainfall days in December: 4.8 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is December (4.8 days).

Average snowfall in December
Elm Springs, SD

Average snowfall in December - Elm Springs, SD
  • Average snowfall in December: 2.64"

The month with the highest snowfall is April (5.43").
The months with the least snowfall are June, July and August (0").

Average snowfall days in December
Elm Springs, SD

Average snowfall days in December - Elm Springs, SD
  • Average snowfall days in December: 8.1 days

The month with the highest number of snowfall days is February (10.5 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in December /
Average sunshine in December
Elm Springs, SD

Average daylight in December / Average sunshine in December - Elm Springs, SD
  • Average daylight in December: 8h and 5min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in December: 6h and 0min

The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 54min).

Average sunshine days in December
Elm Springs, SD

Average sunshine days in December - Elm Springs, SD
  • Average sunshine days in December: 19.6 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (11 days).

Average UV index in December
Elm Springs, SD

Average UV index in December - Elm Springs, 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, February, November and December (UV index 2).

Average cloud cover in December
Elm Springs, SD

Average cloud cover in December - Elm Springs, SD
  • Average cloud cover in December: 36

The months with the most cloud cover are February and April (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 16).

Average visibility in December
Elm Springs, SD

Average visibility in December - Elm Springs, 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).

Elm Springs, South Dakota, USA

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