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

Sturgis reaches its lowest average temperatures in December, measuring 32.2°F (0.1°C) at the peak and 18.9°F (-7.3°C) at the lowest.

Humidity

The average relative humidity in December is 75%.

Rainfall

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

Snowfall

January through May, September through December are months with snowfall. In December, it is snowing for 9.9 days. Throughout December, 4.06" (103mm) of snow is accumulated. Throughout the year, there are 62.1 snowfall days, and 36.26" (921mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Sturgis, with an average of 8h and 54min of daylight.
On the first day of December, 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.

Sunshine

The average sunshine in December in Sturgis 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 reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.
Note: A typical high UV index of 2 in December suggests the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
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Frequently asked questions

What is the coldest time of year in Sturgis?

December is the coldest month of the year in Sturgis, registering average temperatures as high as 32.2°F (0.1°C) and as low as 18.9°F (-7.3°C).

How cold is it in Sturgis in December?

December temperatures in Sturgis vary between a high-temperature of 32.2°F (0.1°C) and a low-temperature of 18.9°F (-7.3°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, in August is calculated to be 82.4°F (28°C).

What is the average humidity in December in Sturgis?

The average relative humidity in December is 75%.

How much does it rain in Sturgis in December?

In December, the rain falls for 5.8 days. Throughout December, 0.75" (19mm) of precipitation is accumulated.

How much does it snow in Sturgis in December?

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

What is the month with the shortest days in Sturgis?

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

How many hours of daylight does Sturgis have in December?

The average day length in December in Sturgis is 8h and 55min.

When is the sunrise / sunset in December in Sturgis?

On the first day of December in Sturgis, South Dakota, 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 in Sturgis?

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

What are the months with the lowest UV index in Sturgis?

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

What is the UV index intensity in December in Sturgis?

In Sturgis, South Dakota, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health threat 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
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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Sturgis, South Dakota, USA

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