December weather forecast
Sturgis, SD

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Weather in December

Wrapping up the year, December in Sturgis, South Dakota, establishes itself firmly in the heart of winter. The weather conditions prominently deviate from November, serving genuinely cold weather. The significant increase in snowfall to 4.06" (103mm) underlines December as the month with the highest snowfall. With a high percentage of clouds seen frequently in the sky, this period appeals for heat in the fireplaces. As December concludes, it passes on colder temperatures to January, reiterating the seasonal circle.

Temperature

December, characterized by an average high temperature of 32.2°F (0.1°C) and a low temperature of 18.9°F (-7.3°C), is generally the coldest month in Sturgis.

Humidity

In Sturgis, the average relative humidity in December is 75%.

Rainfall

In Sturgis, during December, the rain falls for 5.8 days and regularly aggregates up to 0.75" (19mm) of precipitation. In Sturgis, during the entire year, the rain falls for 126.3 days and collects up to 16.77" (426mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. In Sturgis, in December, during 9.9 snowfall days, 4.06" (103mm) of snow is typically accumulated. In Sturgis, during the entire year, snow falls for 62.1 days and aggregates up to 36.26" (921mm) of snow.

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 7:10 am and sunset at 4:15 pm. On the last day of December, sunrise is at 7:30 am and sunset at 4:24 pm MST.

Sunshine

In Sturgis, the average sunshine in December is 6h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.
Note: In December, the maximum UV index of 2 suggests this advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Updated: Jul 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

December is the month that records the lowest temperatures, with averages ranging from a high of 32.2°F (0.1°C) to a low of 18.9°F (-7.3°C).

How cold is it in Sturgis in December?

In Sturgis, in December, the average high-temperature is 32.2°F (0.1°C), and the average low-temperature is 18.9°F (-7.3°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 82.4°F (28°C).

What is the average humidity in December?

In December, the average relative humidity is 75%.

How much does it rain in December?

In Sturgis, in December, during 5.8 rainfall days, 0.75" (19mm) of precipitation is typically accumulated.

How many days does it snow in December?

In Sturgis, South Dakota, in December, during 9.9 snowfall days, 4.06" (103mm) of snow is typically accumulated.

What is the month with the shortest days?

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

How many hours of daylight does Sturgis have in December?

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

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:10 am and sunset at 4:15 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:24 pm MST.

How long on average sun shines in December?

The average sunshine duration in December is 6h.

What is the month with the lowest UV index in Sturgis?

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

What is the UV index reading in December?

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health threat from unprotected exposure to 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
Sturgis, SD

Average temperature in December - Sturgis, SD
  • Average high temperature in December: 32.2°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 (32.2°F).

  • Average low temperature in December: 18.9°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is February (18°F).

Average pressure in December
Sturgis, SD

Average pressure in December - Sturgis, 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
Sturgis, SD

Average wind speed in December - Sturgis, SD
  • Average wind speed in December: 9.8mph

The windiest month (with the highest average wind speed) is October (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (8.3mph).

Average humidity in December
Sturgis, SD

Average humidity in December - Sturgis, SD
  • Average humidity in December: 75%

The month with the highest relative humidity is January (77%).
The months with the lowest relative humidity are August and September (49%).

Average rainfall in December
Sturgis, SD

Average rainfall in December - Sturgis, SD
  • Average rainfall in December: 0.75"

The wettest month (with the highest rainfall) is May (2.52").
The driest month (with the least rainfall) is January (0.59").

Average rainfall days in December
Sturgis, SD

Average rainfall days in December - Sturgis, SD
  • Average rainfall days in December: 5.8 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is December (5.8 days).

Average snowfall in December
Sturgis, SD

Average snowfall in December - Sturgis, SD
  • Average snowfall in December: 4.06"

The month with the highest snowfall is April (8.23").
The months with the least snowfall are June, July and August (0").

Average snowfall days in December
Sturgis, SD

Average snowfall days in December - Sturgis, SD
  • Average snowfall days in December: 9.9 days

The month with the highest number of snowfall days is February (12.8 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in December /
Average sunshine in December
Sturgis, SD

Average daylight in December / Average sunshine in December - Sturgis, 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 42min).
The month with the least sunshine is February (Average sunshine: 5h and 54min).

Average sunshine days in December
Sturgis, SD

Average sunshine days in December - Sturgis, SD
  • Average sunshine days in December: 17.8 days

The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (9.4 days).

Average UV index in December
Sturgis, SD

Average UV index in December - Sturgis, 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
Sturgis, SD

Average cloud cover in December - Sturgis, SD
  • Average cloud cover in December: 36

The months with the most cloud cover are February and April (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 16).

Average visibility in December
Sturgis, SD

Average visibility in December - Sturgis, 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).

Sturgis, South Dakota, USA

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