January weather forecast and climate
Pierre, SD

The Capitol Dome building in Pierre, South Dakota, set in a beautiful tree park
The Capitol Dome building in Pierre, South Dakota, set in a beautiful tree park

Weather in January

January, like December, is a freezing cold winter month in Pierre, South Dakota, with average temperature ranging between min 12.6°F (-10.8°C) and max 26.2°F (-3.2°C).

Temperature

With an average high-temperature of 26.2°F (-3.2°C) and an average low-temperature of 12.6°F (-10.8°C), January is the coldest month.

Humidity

With an average relative humidity of 85%, January is the most humid month.

Rainfall

The month with the least rainfall is January when the rain falls for 2.7 days and typically collects 0.35" (9mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Pierre, South Dakota. In Pierre, snow falls for 9.8 days, with typically accumulated 1.97" (50mm) of snow. Throughout the year, in Pierre, South Dakota, there are 41.4 snowfall days, and 13.07" (332mm) of snow is accumulated.

Daylight

In Pierre, the average length of the day is 9.3h.

Sunshine

January has the least sunshine of the year, with an average of 4.6h of sunshine.

UV index

In January, the average daily maximum UV index in Pierre is 2. A UV Index reading of 2, and below, represents a low threat to health from the exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 2 in January transform into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Pierre?

With an average high-temperature of 26.2°F (-3.2°C) and an average low-temperature of 12.6°F (-10.8°C), January is the coldest month.

What is the temperature in January in Pierre?

In January, in Pierre, the average high-temperature is 26.2°F (-3.2°C), and the average low-temperature is 12.6°F (-10.8°C).

What is the most humid month in Pierre?

With an average relative humidity of 85%, January is the most humid month.

What is the average humidity in January in Pierre?

The average relative humidity in January in Pierre, South Dakota, is 85%.

How much does it rain in Pierre in January?

In Pierre, South Dakota, in January, during 2.7 rainfall days, 0.35" (9mm) of precipitation is typically accumulated.

What is the driest month in Pierre?

The month with the least rainfall is January when the rain falls for 2.7 days and typically collects 0.35" (9mm) of precipitation.

How much does it snow in Pierre in January?

In January, it is snowing for 9.8 days. Throughout January, 1.97" (50mm) of snow is accumulated.

How many hours of daylight does Pierre have in January?

The average length of the day in January is 9.3h.

What is the month with the least sunshine in Pierre?

January has the least sunshine of the year in Pierre, with an average of 4.6h of sunshine.

How long on average sun shines in January in Pierre?

The average sunshine in January in Pierre, South Dakota, is 4.6h.

What is the UV index intensity in January in Pierre?

In January, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from the exposure to the Sun's UV rays.

Average temperature in January
Pierre, SD

Average temperature in January - Pierre, SD
  • Average high temperature in January: 26.2°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (26.2°F).

  • Average low temperature in January: 12.6°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).

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Average pressure in January
Pierre, SD

Average pressure in January - Pierre, SD
  • Average pressure in January: 30.16"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.84").

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Average wind speed in January
Pierre, SD

Average wind speed in January - Pierre, SD
  • Average wind speed in January: 10.3mph

The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest months (with the lowest average wind speed) are February and August (9.9mph).

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Average humidity in January
Pierre, SD

Average humidity in January - Pierre, SD
  • Average humidity in January: 85%

The month with the highest relative humidity is January (85%).
Months with the lowest relative humidity are August and September (52%).

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Average rainfall in January
Pierre, SD

Average rainfall in January - Pierre, SD
  • Average rainfall in January: 0.35"

The wettest month (with the highest rainfall) is May (2.24").
The driest month (with the least rainfall) is January (0.35").

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Average rainfall days in January
Pierre, SD

Average rainfall days in January - Pierre, SD
  • Average rainfall days in January: 2.7 days

The month with the highest number of rainy days is June (14.2 days).
The month with the least rainy days is February (2.4 days).

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Average snowfall in January
Pierre, SD

Average snowfall in January - Pierre, SD
  • Average snowfall in January: 1.97"

The month with the highest snowfall is February (3.66").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Pierre, SD

Average snowfall days in January - Pierre, SD
  • Average snowfall days in January: 9.8 days

The month with the highest number of snowfall days is February (10 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Pierre, SD

Average daylight in January / Average sunshine in January - Pierre, SD
  • Average daylight in January: 9.3h

The month with the longest days is June (Average daylight: 15.5h).
The month with the shortest days is December (Average daylight: 8.9h).

  • Average sunshine in January: 4.6h

The month with the most sunshine is July (Average sunshine: 11.5h).
The month with the least sunshine is January (Average sunshine: 4.6h).

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Average sunshine days in January
Pierre, SD

Average sunshine days in January - Pierre, SD
  • Average sunshine days in January: 19.7 days

The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is June (13.7 days).

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Average UV index in January
Pierre, SD

Average UV index in January - Pierre, SD
  • Average UV index in January: 2

The month with the highest UV index is July (UV index 7).
Months with the lowest UV index are February and December (UV index 1).

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Average cloud cover in January
Pierre, SD

Average cloud cover in January - Pierre, SD
  • Average cloud cover in January: 50

The month with the most cloud cover is January (Cloud cover 50).
Months with the least cloud cover are July and August (Cloud cover 19).

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Average visibility in January
Pierre, SD

Average visibility in January - Pierre, SD
  • Average visibility in January: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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