January weather forecast
Hill City, SD

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Weather in January

In Hill City, South Dakota, January brings with it the chill of winter, a season marked by snow-covered landscapes and frigid temperatures. Characterized by frosty mornings and chilly afternoons, January observes the coldest monthly temperatures of the year, with the thermometer reading dropping to as low as 17.1°F (-8.3°C), and at most reaching 31.1°F (-0.5°C). Going hand in hand with the freezing conditions is an average of 3.54" (90mm) of snowfall spread across 12.3 days. The heavy cloud cover would mean limited sunlight exposure with relative humidity levels reaching to a monthly average of 77%.

Temperature

The high-temperature average in January for Hill City is a still freezing cold 31.1°F (-0.5°C), staying closely aligned with December's conditions. Hill City's temperature tends to fall to an average low of 17.1°F (-8.3°C) during the nights of January.

Humidity

The months with the highest humidity in Hill City are January and February, with an average relative humidity of 77%.

Rainfall

January is the month with the least rainfall. Rain falls for 6.2 days and accumulates 0.47" (12mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. In Hill City, in January, during 12.3 snowfall days, 3.54" (90mm) of snow is typically accumulated. Throughout the year, there are 75.1 snowfall days, and 40.24" (1022mm) of snow is accumulated.

Daylight

In Hill City, the average length of the day in January is 9h and 21min.
On the first day of the month, sunrise is at 7:28 am and sunset at 4:26 pm. On the last day of January, sunrise is at 7:12 am and sunset at 5:02 pm MST.

Sunshine

The average sunshine in January is 6.3h.

UV index

The months with the lowest UV index in Hill City are January through March, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: A daily maximum UV index of 2 in January translates into the following instructions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Boost your sun resistance with garments that are densely woven yet spacious. 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 it in Hill City in January?

During January, Hill City experiences an average high-temperature of 31.1°F (-0.5°C) and a low-temperature of 17.1°F (-8.3°C).

What are the most humid months in Hill City?

January and February, with an average relative humidity of 77%, are most humid months in Hill City.

What is the average humidity in January in Hill City?

In January, the average relative humidity in Hill City, South Dakota, is 77%.

What is the driest month in Hill City?

January is the month with the least rainfall in Hill City. Rain falls for 6.2 days and accumulates 0.47" (12mm) of precipitation.

How many days does it rain in January in Hill City?

In January, the rain falls for 6.2 days. Throughout January, 0.47" (12mm) of precipitation is accumulated.

How many days does it snow in January in Hill City?

In Hill City, South Dakota, in January, during 12.3 snowfall days, 3.54" (90mm) of snow is typically accumulated.

How many hours of daylight does Hill City have in January?

The average day length in January is 9h and 21min.

When is the sunrise / sunset in January in Hill City?

On the first day of January in Hill City, South Dakota, sunrise is at 7:28 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:02 pm MST.

How many hours of sunshine does Hill City have in January?

In Hill City, the average sunshine duration in January is 6.3h.

What are the months with the lowest UV index in Hill City?

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index.

How high is the UV index in January in Hill City?

The average daily maximum UV index in January in Hill City, South Dakota, is 2. A UV Index of 2, and less, symbolizes a low health risk 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 January
Hill City, SD

Average temperature in January - Hill City, SD
  • Average high temperature in January: 31.1°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (29.8°F).

  • Average low temperature in January: 17.1°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is February (16.2°F).

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Average pressure in January
Hill City, SD

Average pressure in January - Hill City, SD
  • Average pressure in January: 30.13"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

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Average wind speed in January
Hill City, SD

Average wind speed in January - Hill City, SD
  • Average wind speed in January: 9.2mph

The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest month (with the lowest average wind speed) is August (7mph).

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Average humidity in January
Hill City, SD

Average humidity in January - Hill City, SD
  • Average humidity in January: 77%

The months with the highest relative humidity are January and February (77%).
The months with the lowest relative humidity are August and September (52%).

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Average rainfall in January
Hill City, SD

Average rainfall in January - Hill City, SD
  • Average rainfall in January: 0.47"

The wettest month (with the highest rainfall) is June (3.19").
The driest month (with the least rainfall) is January (0.47").

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Average rainfall days in January
Hill City, SD

Average rainfall days in January - Hill City, SD
  • Average rainfall days in January: 6.2 days

The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is November (4.5 days).

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Average snowfall in January
Hill City, SD

Average snowfall in January - Hill City, SD
  • Average snowfall in January: 3.54"

The month with the highest snowfall is April (7.24").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in January
Hill City, SD

Average snowfall days in January - Hill City, SD
  • Average snowfall days in January: 12.3 days

The month with the highest number of snowfall days is February (12.9 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
Hill City, SD

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

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 January: 6h and 2min

The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 0min).

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Average sunshine days in January
Hill City, SD

Average sunshine days in January - Hill City, SD
  • Average sunshine days in January: 17.4 days

The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is May (7.8 days).

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Average UV index in January
Hill City, SD

Average UV index in January - Hill City, SD
  • Average UV index in January: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average cloud cover in January
Hill City, SD

Average cloud cover in January - Hill City, SD
  • Average cloud cover in January: 35

The month with the most cloud cover is April (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 17).

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Average visibility in January
Hill City, SD

Average visibility in January - Hill City, SD
  • Average visibility in January: 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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Hill City, South Dakota, USA

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