January weather forecast
Union Center, SD

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Weather in January

January, the same as December, is a wintry winter month in Union Center, South Dakota, with an average temperature ranging between min 18.7°F (-7.4°C) and max 32.4°F (0.2°C).

Temperature

The arrival of January denotes a barely perceptible change in the average high-temperatures to a still wintry 32.4°F (0.2°C) from December's 32.2°F (0.1°C). Union Center, during the nights of January, experiences an average temperature drop to a subzero cold 18.7°F (-7.4°C).

Humidity

With an average relative humidity of 77%, January is the most humid month in Union Center.

Rainfall

The month with the least rainfall is January, when the rain falls for 6.5 days and typically collects 0.59" (15mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall in Union Center. In Union Center, during January, snow falls for 11.4 days and regularly aggregates up to 3.19" (81mm) of snow. Throughout the year, in Union Center, there are 62.1 snowfall days, and 36.26" (921mm) of snow is accumulated.

Daylight

In Union Center, the average length of the day in January is 9h and 17min.
On the first day of the month, sunrise is at 7:27 am and sunset at 4:21 pm. On the last day of January, sunrise is at 7:10 am and sunset at 4:57 pm MST.

Sunshine

In Union Center, the average sunshine in January is 6h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 2 in January converts into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
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Frequently asked questions

How cold is January in Union Center?

January temperatures in Union Center vary between a high-temperature of 32.4°F (0.2°C) and a low-temperature of 18.7°F (-7.4°C).

What is the most humid month in Union Center?

January is the most humid month in Union Center, South Dakota, with an average relative humidity of 77%.

What is the average humidity in January in Union Center?

In January, the average relative humidity in Union Center is 77%.

What is the driest month in Union Center?

January is the month with the least rainfall in Union Center. Rain falls for 6.5 days and accumulates 0.59" (15mm) of precipitation.

How many days does it rain in January in Union Center?

In Union Center, in January, during 6.5 rainfall days, 0.59" (15mm) of precipitation is typically accumulated.

How many days does it snow in January in Union Center?

In Union Center, South Dakota, in January, during 11.4 snowfall days, 3.19" (81mm) of snow is typically accumulated.

How many hours of daylight does Union Center have in January?

The average day length in January in Union Center is 9h and 17min.

When is the sunrise / sunset in January in Union Center?

In January, on the first day of the month, sunrise is at 7:27 am and sunset at 4:21 pm. On the last day of the month, in Union Center, sunrise is at 7:10 am and sunset at 4:57 pm MST.

How long on average sun shines in January in Union Center?

In January, the average sunshine duration is 6h.

What are the months with the lowest UV index in Union Center?

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

What is the UV index reading in January in Union Center?

The average daily maximum UV index in January in Union Center is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unsafe 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 January
Union Center, SD

Average temperature in January - Union Center, SD
  • Average high temperature in January: 32.4°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 January: 18.7°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 January
Union Center, SD

Average pressure in January - Union Center, SD
  • Average pressure in January: 30.14"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 January
Union Center, SD

Average wind speed in January - Union Center, SD
  • Average wind speed in January: 10.2mph

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 January
Union Center, SD

Average humidity in January - Union Center, SD
  • Average humidity in January: 77%

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 January
Union Center, SD

Average rainfall in January - Union Center, SD
  • Average rainfall in January: 0.59"

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 January
Union Center, SD

Average rainfall days in January - Union Center, SD
  • Average rainfall days in January: 6.5 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 January
Union Center, SD

Average snowfall in January - Union Center, SD
  • Average snowfall in January: 3.19"

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 January
Union Center, SD

Average snowfall days in January - Union Center, SD
  • Average snowfall days in January: 11.4 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 January /
Average sunshine in January
Union Center, SD

Average daylight in January / Average sunshine in January - Union Center, SD
  • Average daylight in January: 9h and 2min

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 January: 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 January
Union Center, SD

Average sunshine days in January - Union Center, SD
  • Average sunshine days in January: 17.1 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 January
Union Center, SD

Average UV index in January - Union Center, SD
  • Average UV index in January: 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 January
Union Center, SD

Average cloud cover in January - Union Center, SD
  • Average cloud cover in January: 37

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 January
Union Center, SD

Average visibility in January - Union Center, SD
  • Average visibility in January: 5mi

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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Union Center, South Dakota, USA

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