January weather forecast
Harrold, SD

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Weather in January

January, like December, is a freezing cold winter month in Harrold, South Dakota, with temperature in the range of an average low of 12.6°F (-10.8°C) and an average high of 26.2°F (-3.2°C).

Temperature

January, with its average high-temperature of 26.2°F (-3.2°C) and an average low-temperature of 12.6°F (-10.8°C), holds the record as the coldest month.

Humidity

The most humid month in Harrold is January, with an average relative humidity of 85%.

Rainfall

The month with the least rainfall in Harrold 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 Harrold. In Harrold, in January, snow falls for 9.8 days, with typically accumulated 1.97" (50mm) of snow. Throughout the year, in Harrold, South Dakota, there are 41.4 snowfall days, and 13.07" (332mm) of snow is accumulated.

Daylight

In Harrold, South Dakota, the average length of the day in January is 9h and 17min.
On the first day of the month, sunrise is at 8:15 am and sunset at 5:09 pm. On the last day of January, in Harrold, sunrise is at 7:58 am and sunset at 5:45 pm CST.

Sunshine

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

UV index

The average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: During January, 2 as the daily maximum UV index converts into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month in Harrold?

In Harrold, January registers the lowest temperatures, averaging 26.2°F (-3.2°C) at the peak and 12.6°F (-10.8°C) at the lowest.

How cold is it in Harrold in January?

In January, in Harrold, 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 Harrold?

January is the most humid month in Harrold, South Dakota, with an average relative humidity of 85%.

What is the average humidity in January in Harrold?

In Harrold, South Dakota, the average relative humidity in January is 85%.

What is the driest month in Harrold?

January is the month with the least rainfall in Harrold, South Dakota. Rain falls for 2.7 days and accumulates 0.35" (9mm) of precipitation.

How much does it rain in Harrold in January?

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

How many days does it snow in January in Harrold?

In Harrold, South Dakota, in January, snow falls for 9.8 days, with typically accumulated 1.97" (50mm) of snow.

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

In Harrold, South Dakota, the average day length in January is 9h and 17min.

When are sunrise and sunset in January in Harrold?

In January, on the first day of the month, sunrise is at 8:15 am and sunset at 5:09 pm. On the last day of the month, in Harrold, South Dakota, sunrise is at 7:58 am and sunset at 5:45 pm CST.

What is the month with the least sunshine in Harrold?

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

How long on average sun shines in January in Harrold?

The average sunshine duration in January in Harrold is 4.6h.

What is the UV index intensity in January in Harrold?

In Harrold, 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 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
Harrold, SD

Average temperature in January - Harrold, 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).

Average pressure in January
Harrold, SD

Average pressure in January - Harrold, 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).

Average wind speed in January
Harrold, SD

Average wind speed in January - Harrold, 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).

Average humidity in January
Harrold, SD

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

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

Average rainfall in January
Harrold, SD

Average rainfall in January - Harrold, 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").

Average rainfall days in January
Harrold, SD

Average rainfall days in January - Harrold, 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).

Average snowfall in January
Harrold, SD

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

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

Average snowfall days in January
Harrold, SD

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

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

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

Average daylight in January / Average sunshine in January - Harrold, 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: 4h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in January
Harrold, SD

Average sunshine days in January - Harrold, 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).

Average UV index in January
Harrold, SD

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

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

Average cloud cover in January
Harrold, SD

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

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

Average visibility in January
Harrold, SD

Average visibility in January - Harrold, 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).

Harrold, South Dakota, USA

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