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, with its high-temperature average of 32.2°F (0.1°C) and a low-temperature average of 18.9°F (-7.3°C), is the coldest month.

Humidity

In December, the average relative humidity is 75%.

Rainfall

In Sturgis, in December, during 5.8 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. In Sturgis, South Dakota, 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, snow falls for 9.9 days, with typically accumulated 4.06" (103mm) of snow. Throughout the year, in Sturgis, there are 62.1 snowfall days, and 36.26" (921mm) 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 7:10 am and sunset at 4:15 pm. On the last day of December, in Sturgis, 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 ordinary individuals.
Note: An average maximum UV index of 2 in December leads to these recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.

Frequently asked questions

What are the coldest months?

In Sturgis, the average lowest temperatures are observed in December, with a high of 32.2°F (0.1°C) and a low of 18.9°F (-7.3°C).

How cold is December?

The high-temperature, in December, in Sturgis, records 32.2°F (0.1°C), while the low-temperature is 18.9°F (-7.3°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is calculated to be 82.4°F (28°C).

What is the average humidity in December?

The average relative humidity in December is 75%.

How much does it rain in December?

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

How much does it snow in December?

In December, it is snowing for 9.9 days. Throughout December, 4.06" (103mm) of snow is 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.

When is the sunrise / sunset in December?

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.

How long on average sun shines in December?

In Sturgis, 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.

What is the UV index reading in December?

In Sturgis, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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
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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