December weather forecast
Owanka, SD

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Weather in December

December, the first month of the winter in Owanka, is also a wintry month, with an average temperature ranging between max 32.5°F (0.3°C) and min 18.7°F (-7.4°C).

Temperature

The month of December, characterized by an average high of 32.5°F (0.3°C) and a low of 18.7°F (-7.4°C), is recognized as the coldest.

Humidity

In Owanka, the average relative humidity in December is 74%.

Rainfall

In Owanka, in December, it is raining for 4.8 days, with typically 0.63" (16mm) of accumulated precipitation. In Owanka, during the entire year, the rain falls for 118.8 days and collects up to 15.39" (391mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. In Owanka, South Dakota, in December, during 8.1 snowfall days, 2.64" (67mm) of snow is typically accumulated. In Owanka, during the entire year, snow falls for 50.4 days and aggregates up to 24.41" (620mm) of snow.

Daylight

The month with the shortest days in Owanka is December, with an average of 9h and 0min of daylight.
On the first day of December in Owanka, South Dakota, sunrise is at 7:05 am and sunset at 4:13 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:22 pm MST.

Sunshine

The average sunshine in December in Owanka is 6h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Owanka. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In December, the maximum UV index of 2 transforms into these recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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Frequently asked questions

What part of the year is the coldest in Owanka?

Temperature records in Owanka mark December as the coldest month, with highs averaging 32.5°F (0.3°C) and lows at 18.7°F (-7.4°C).

How cold is December in Owanka?

The high-temperature during December is 32.5°F (0.3°C) and the low-temperature is 18.7°F (-7.4°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in August is calculated to be 84.2°F (29°C).

What is the average humidity in December in Owanka?

In Owanka, South Dakota, the average relative humidity in December is 74%.

How many days does it rain in December in Owanka?

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

How much does it snow in Owanka in December?

In Owanka, South Dakota, during December, snow falls for 8.1 days and regularly aggregates up to 2.64" (67mm) of snow.

What is the month with the shortest days in Owanka?

The month with the shortest days is December, with an average of 9h and 0min of daylight.

What is the average length of the day in December in Owanka?

In December, the average day length in Owanka is 8h and 57min.

When is the sunrise / sunset in December in Owanka?

In December, on the first day of the month, sunrise is at 7:05 am and sunset at 4:13 pm. On the last day of the month, in Owanka, sunrise is at 7:25 am and sunset at 4:22 pm MST.

How many hours of sunshine does Owanka have in December?

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

When is the lowest UV index in Owanka?

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

How high is the UV index in December in Owanka?

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

Average temperature in December - Owanka, 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).

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Average pressure in December
Owanka, SD

Average pressure in December - Owanka, 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
Owanka, SD

Average wind speed in December - Owanka, 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).

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Average humidity in December
Owanka, SD

Average humidity in December - Owanka, 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%).

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Average rainfall in December
Owanka, SD

Average rainfall in December - Owanka, 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").

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Average rainfall days in December
Owanka, SD

Average rainfall days in December - Owanka, 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).

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Average snowfall in December
Owanka, SD

Average snowfall in December - Owanka, 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").

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Average snowfall days in December
Owanka, SD

Average snowfall days in December - Owanka, 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).

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

Average daylight in December / Average sunshine in December - Owanka, 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 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).

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Average sunshine days in December
Owanka, SD

Average sunshine days in December - Owanka, 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).

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Average UV index in December
Owanka, SD

Average UV index in December - Owanka, 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).

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Average cloud cover in December
Owanka, SD

Average cloud cover in December - Owanka, 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).

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Average visibility in December
Owanka, SD

Average visibility in December - Owanka, 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).

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Owanka, South Dakota, USA

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