December weather forecast
Parkston, SD

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Weather in December

The first month of the winter, December, is also a subzero cold month in Parkston, South Dakota, with an average temperature ranging between max 29.5°F (-1.4°C) and min 17.1°F (-8.3°C).

Temperature

December's arrival is marked by a significant decrease in the average high-temperature, moving from a chilly 45.7°F (7.6°C) in November to a subzero cold 29.5°F (-1.4°C). During December, the average low-temperature is recorded at 17.1°F (-8.3°C).

Humidity

The average relative humidity in December in Parkston is 82%.

Rainfall

In Parkston, in December, it is raining for 2.9 days, with typically 0.98" (25mm) of accumulated precipitation. In Parkston, during the entire year, the rain falls for 106.8 days and collects up to 19.29" (490mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. The month with the most snowfall in Parkston is December, when snow falls for 7.5 days and typically aggregates up to 2.56" (65mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 0min of daylight.
On the first day of the month, sunrise is at 7:45 am and sunset at 4:57 pm. On the last day of December, in Parkston, sunrise is at 8:04 am and sunset at 5:06 pm CST.

Sunshine

The average sunshine in December is 4.7h.

UV index

The months with the lowest UV index in Parkston, South Dakota, are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: The daily high UV index of 2 during December translates into the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
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Frequently asked questions

How cold is December in Parkston?

The high-temperature in Parkston during December is 29.5°F (-1.4°C) and the low-temperature is 17.1°F (-8.3°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 89.6°F (32°C).

What is the average humidity in December in Parkston?

In Parkston, the average relative humidity in December is 82%.

How much does it rain in Parkston in December?

In Parkston, in December, during 2.9 rainfall days, 0.98" (25mm) of precipitation is typically accumulated.

What is the snowiest month in Parkston?

December is the month with the most snowfall in Parkston, South Dakota. Snow falls for 7.5 days and accumulates 2.56" (65mm) of snow.

How much does it snow in Parkston in December?

In Parkston, South Dakota, in December, snow falls for 7.5 days, with typically accumulated 2.56" (65mm) of snow.

What is the month with the shortest days in Parkston?

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 Parkston?

The average day length in December in Parkston is 9h and 2min.

What time are sunrise and sunset in December in Parkston?

On the first day of December in Parkston, South Dakota, sunrise is at 7:45 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 8:04 am and sunset at 5:06 pm CST.

How long on average sun shines in December in Parkston?

The average sunshine duration in December in Parkston is 4.7h.

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

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

How high is the UV index in December in Parkston?

In Parkston, South Dakota, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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
Parkston, SD

Average temperature in December - Parkston, SD
  • Average high temperature in December: 29.5°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (26.2°F).

  • Average low temperature in December: 17.1°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).

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Average pressure in December
Parkston, SD

Average pressure in December - Parkston, SD
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in December
Parkston, SD

Average wind speed in December - Parkston, SD
  • Average wind speed in December: 10.4mph

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).

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Average humidity in December
Parkston, SD

Average humidity in December - Parkston, SD
  • Average humidity in December: 82%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (63%).

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Average rainfall in December
Parkston, SD

Average rainfall in December - Parkston, SD
  • Average rainfall in December: 0.98"

The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is February (0.51").

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Average rainfall days in December
Parkston, SD

Average rainfall days in December - Parkston, SD
  • Average rainfall days in December: 2.9 days

The month with the highest number of rainy days is June (15.8 days).
The month with the least rainy days is January (2.5 days).

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Average snowfall in December
Parkston, SD

Average snowfall in December - Parkston, SD
  • Average snowfall in December: 2.56"

The month with the highest snowfall is December (2.56").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Parkston, SD

Average snowfall days in December - Parkston, SD
  • Average snowfall days in December: 7.5 days

The month with the highest number of snowfall days is December (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Parkston, 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: 4h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

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Average sunshine days in December
Parkston, SD

Average sunshine days in December - Parkston, SD
  • Average sunshine days in December: 21.5 days

The month with the most sunshine days is November (22.8 days).
The month with the least sunshine days is June (11.8 days).

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Average UV index in December
Parkston, SD

Average UV index in December - Parkston, 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
Parkston, SD

Average cloud cover in December - Parkston, SD
  • Average cloud cover in December: 48

The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 23).

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Average visibility in December
Parkston, SD

Average visibility in December - Parkston, 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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Parkston, South Dakota, USA

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