December weather forecast
Hot Springs, SD

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Weather in December

December brings back the city's wintery feel with the average high temperature dropping further to 32.4°F (0.2°C). As the year concludes, snowfall increases to 3.58" (91mm), marking the return of the city's snowy landscape. The reduction in daily sunlight hours and higher cloud coverage characterize the classic winter atmosphere in Hot Springs. Despite the chill, the illuminated, snow-clad cityscape imparts a unique charm. It's indeed a magical time to be in the city, replete with holiday decorations and winter festivities despite the cold weather.

Temperature

December, marked by an average high-temperature of 32.4°F (0.2°C) and a low-temperature of 18.5°F (-7.5°C), is the coldest month in Hot Springs.

Humidity

In December, the average relative humidity is 72%.

Rainfall

In Hot Springs, South Dakota, in December, it is raining for 3.5 days, with typically 0.55" (14mm) of accumulated precipitation. In Hot Springs, South Dakota, during the entire year, the rain falls for 115.8 days and collects up to 16.61" (422mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall in Hot Springs. In Hot Springs, in December, during 8.1 snowfall days, 3.58" (91mm) of snow is typically accumulated. Throughout the year, there are 49.2 snowfall days, and 23.19" (589mm) of snow is accumulated.

Daylight

With an average of 9h and 0min of daylight, December has the shortest days of the year in Hot Springs.
On the first day of December, sunrise is at 7:07 am and sunset at 4:18 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:27 pm MST.

Sunshine

In Hot Springs, the average sunshine in December is 6.1h.

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 of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The average daily UV index of 2 in December transforms into the following instructions:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
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 Hot Springs?

Hot Springs's December weather reaches an average high of 32.4°F (0.2°C) and an average low of 18.5°F (-7.5°C), making it the coldest month.

How cold is December in Hot Springs?

The high-temperature, in December, in Hot Springs, is 32.4°F (0.2°C), while the low-temperature averages to 18.5°F (-7.5°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 84.2°F (29°C).

What is the average humidity in December in Hot Springs?

In Hot Springs, the average relative humidity in December is 72%.

How many days does it rain in December in Hot Springs?

In Hot Springs, South Dakota, during December, the rain falls for 3.5 days and regularly aggregates up to 0.55" (14mm) of precipitation.

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

In Hot Springs, during December, snow falls for 8.1 days and regularly aggregates up to 3.58" (91mm) of snow.

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

With an average of 9h and 0min of daylight, December has the shortest days of the year.

What is the average length of the day in December in Hot Springs?

In Hot Springs, South Dakota, the average day length in December is 9h and 1min.

When is the sunrise / sunset in December in Hot Springs?

On the first day of December in Hot Springs, South Dakota, sunrise is at 7:07 am and sunset at 4:18 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:27 pm MST.

How long on average sun shines in December in Hot Springs?

In December, the average sunshine duration is 6.1h.

What is the month with the lowest UV index in Hot Springs?

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

How high is the UV index in December in Hot Springs?

In December, the average daily maximum UV index in Hot Springs is 2. A UV Index value of 2, and less, symbolizes a low health threat 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
Hot Springs, SD

Average temperature in December - Hot Springs, SD
  • Average high temperature in December: 32.4°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is December (32.4°F).

  • Average low temperature in December: 18.5°F

The month with the highest average low temperature is July (63.9°F).
The coldest months (with the lowest average low temperature) are February and December (18.5°F).

Average pressure in December
Hot Springs, SD

Average pressure in December - Hot Springs, 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
Hot Springs, SD

Average wind speed in December - Hot Springs, SD
  • Average wind speed in December: 9.3mph

The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).

Average humidity in December
Hot Springs, SD

Average humidity in December - Hot Springs, SD
  • Average humidity in December: 72%

The month with the highest relative humidity is January (75%).
The month with the lowest relative humidity is August (47%).

Average rainfall in December
Hot Springs, SD

Average rainfall in December - Hot Springs, SD
  • Average rainfall in December: 0.55"

The wettest month (with the highest rainfall) is June (2.87").
The driest month (with the least rainfall) is January (0.39").

Average rainfall days in December
Hot Springs, SD

Average rainfall days in December - Hot Springs, SD
  • Average rainfall days in December: 3.5 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is December (3.5 days).

Average snowfall in December
Hot Springs, SD

Average snowfall in December - Hot Springs, SD
  • Average snowfall in December: 3.58"

The month with the highest snowfall is February (3.66").
The months with the least snowfall are June, July and August (0").

Average snowfall days in December
Hot Springs, SD

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

The month with the highest number of snowfall days is February (10.4 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in December / Average sunshine in December - Hot Springs, SD
  • Average daylight in December: 9h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in December: 6h and 1min

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 48min).

Average sunshine days in December
Hot Springs, SD

Average sunshine days in December - Hot Springs, SD
  • Average sunshine days in December: 21.4 days

The month with the most sunshine days is December (21.4 days).
The month with the least sunshine days is May (11.2 days).

Average UV index in December
Hot Springs, SD

Average UV index in December - Hot Springs, 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
Hot Springs, SD

Average cloud cover in December - Hot Springs, SD
  • Average cloud cover in December: 34

The month with the most cloud cover is February (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 17).

Average visibility in December
Hot Springs, SD

Average visibility in December - Hot 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).

Hot Springs, South Dakota, USA

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