January weather forecast
Herrick, SD

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Weather in January

January, the same as December, in Herrick, South Dakota, is another subzero cold winter month, with an average temperature ranging between min 15.6°F (-9.1°C) and max 28.8°F (-1.8°C).

Temperature

Herrick's temperature records reveal January as the coldest month, marked by average highs of 28.8°F (-1.8°C) and lows of 15.6°F (-9.1°C).

Humidity

With an average relative humidity of 82%, January is the most humid month.

Rainfall

January is the month with the least rainfall. Rain falls for 2.7 days and accumulates 0.47" (12mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Herrick, in January, during 9.6 snowfall days, 2.64" (67mm) of snow is typically accumulated. In Herrick, South Dakota, during the entire year, snow falls for 39.7 days and aggregates up to 14.45" (367mm) of snow.

Daylight

In January, the average length of the day in Herrick is 9h and 26min.
On the first day of January, sunrise is at 8:08 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 5:47 pm CST.

Sunshine

The month with the least sunshine is January, with an average of 4.9h of sunshine.

UV index

In Herrick, South Dakota, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.
Note: A daily maximum UV index of 2 in January translates into the following instructions:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
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Frequently asked questions

What time of the year is the coldest in Herrick?

January, recording an average high temperature of 28.8°F (-1.8°C) and a low temperature of 15.6°F (-9.1°C), is Herrick's coldest month.

How cold is January in Herrick?

The high-temperature, in January, in Herrick, is 28.8°F (-1.8°C), while the low-temperature averages to 15.6°F (-9.1°C).

What is the most humid month in Herrick?

January is the most humid month, with an average relative humidity of 82%.

What is the average humidity in January in Herrick?

In January, the average relative humidity is 82%.

What is the driest month in Herrick?

January is the month with the least rainfall. Rain falls for 2.7 days and accumulates 0.47" (12mm) of precipitation.

How much does it rain in Herrick in January?

In Herrick, during January, the rain falls for 2.7 days and regularly aggregates up to 0.47" (12mm) of precipitation.

How much does it snow in Herrick in January?

In Herrick, during January, snow falls for 9.6 days and regularly aggregates up to 2.64" (67mm) of snow.

What is the average length of the day in January in Herrick?

The average day length in January in Herrick is 9h and 26min.

When are sunrise and sunset in January in Herrick?

On the first day of January, sunrise is at 8:08 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 5:47 pm CST.

What is the month with the least sunshine in Herrick?

The month with the least sunshine in Herrick is January, with an average of 4.9h of sunshine.

How long on average sun shines in January in Herrick?

In Herrick, South Dakota, the average sunshine duration in January is 4.9h.

How high is the UV index in January in Herrick?

In January, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from 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
Herrick, SD

Average temperature in January - Herrick, SD
  • Average high temperature in January: 28.8°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in January: 15.6°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).

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Average pressure in January
Herrick, SD

Average pressure in January - Herrick, SD
  • Average pressure in January: 30.16"Hg

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

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Average wind speed in January
Herrick, SD

Average wind speed in January - Herrick, SD
  • Average wind speed in January: 11.1mph

The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (9.8mph).

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Average humidity in January
Herrick, SD

Average humidity in January - Herrick, SD
  • Average humidity in January: 82%

The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are August and September (57%).

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Average rainfall in January
Herrick, SD

Average rainfall in January - Herrick, SD
  • Average rainfall in January: 0.47"

The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.47").

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Average rainfall days in January
Herrick, SD

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

The month with the highest number of rainy days is June (15.3 days).
The months with the least rainy days are January and February (2.7 days).

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Average snowfall in January
Herrick, SD

Average snowfall in January - Herrick, SD
  • Average snowfall in January: 2.64"

The month with the highest snowfall is December (3.19").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Herrick, SD

Average snowfall days in January - Herrick, SD
  • Average snowfall days in January: 9.6 days

The month with the highest number of snowfall days is January (9.6 days).
The 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
Herrick, SD

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

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in January: 4h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

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Average sunshine days in January
Herrick, SD

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

The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is June (11.2 days).

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Average UV index in January
Herrick, SD

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

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in January
Herrick, SD

Average cloud cover in January - Herrick, SD
  • Average cloud cover in January: 47

The month with the most cloud cover is January (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 20).

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Average visibility in January
Herrick, SD

Average visibility in January - Herrick, 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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Herrick, South Dakota, USA

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