January weather forecast
Rosholt, SD

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Weather in January

January, the same as December, in Rosholt, South Dakota, is another subzero cold winter month, with an average temperature fluctuating between 4.8°F (-15.1°C) and 18.7°F (-7.4°C).

Temperature

January, recording an average high temperature of 18.7°F (-7.4°C) and a low temperature of 4.8°F (-15.1°C), is Rosholt's coldest month.

Humidity

The most humid month in Rosholt is January, with an average relative humidity of 89%.

Rainfall

In Rosholt, in January, during 2.7 rainfall days, 0.59" (15mm) of precipitation is typically accumulated. In Rosholt, during the entire year, the rain falls for 102 days and collects up to 19.17" (487mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Rosholt, South Dakota, in January, snow falls for 12.3 days, with typically accumulated 3.62" (92mm) of snow. Throughout the year, there are 54.3 snowfall days, and 19.17" (487mm) of snow is accumulated.

Daylight

In January, the average length of the day in Rosholt, South Dakota, is 9h and 9min.
On the first day of January, sunrise is at 8:08 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 5:30 pm CST.

Sunshine

With an average of 3.4h of sunshine, January has the least sunshine of the year in Rosholt.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Rosholt. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.
Note: In January, a regular UV index of 1 translates into these guidelines:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The solar radiation around mid-day is intense; avoid the Sun and stay safe. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest in Rosholt?

With its average high temperature of 18.7°F (-7.4°C) and a low of 4.8°F (-15.1°C), January is regarded as the coldest month.

How cold is January in Rosholt?

In Rosholt, in January, the average high-temperature is 18.7°F (-7.4°C), and the average low-temperature is 4.8°F (-15.1°C).

What is the most humid month in Rosholt?

With an average relative humidity of 89%, January is the most humid month in Rosholt.

What is the average humidity in January in Rosholt?

The average relative humidity in January in Rosholt is 89%.

How many days does it rain in January in Rosholt?

In January, in Rosholt, South Dakota, the rain falls for 2.7 days. Throughout January, 0.59" (15mm) of precipitation is accumulated.

How many days does it snow in January in Rosholt?

In Rosholt, during January, snow falls for 12.3 days and regularly aggregates up to 3.62" (92mm) of snow.

How many hours of daylight does Rosholt have in January?

In January, the average day length is 9h and 9min.

When is the sunrise / sunset in January in Rosholt?

On the first day of January in Rosholt, sunrise is at 8:08 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 5:30 pm CST.

What is the month with the least sunshine in Rosholt?

With an average of 3.4h of sunshine, January has the least sunshine of the year in Rosholt.

How many hours of sunshine does Rosholt have in January?

In Rosholt, South Dakota, the average sunshine duration in January is 3.4h.

What is the month with the lowest UV index in Rosholt?

January and December, with an average maximum UV index of 1, are months with the lowest UV index.

How high is the UV index in January in Rosholt?

The average daily maximum UV index in January in Rosholt, South Dakota, is 1. A UV Index of 2, and less, symbolizes a low health risk 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
Rosholt, SD

Average temperature in January - Rosholt, SD
  • Average high temperature in January: 18.7°F

The warmest months (with the highest average high temperature) are July and August (81.3°F).
The month with the lowest average high temperature is January (18.7°F).

  • Average low temperature in January: 4.8°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (4.8°F).

Average pressure in January
Rosholt, SD

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

The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed in January
Rosholt, SD

Average wind speed in January - Rosholt, SD
  • Average wind speed in January: 9.9mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is July (8mph).

Average humidity in January
Rosholt, SD

Average humidity in January - Rosholt, SD
  • Average humidity in January: 89%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is September (65%).

Average rainfall in January
Rosholt, SD

Average rainfall in January - Rosholt, SD
  • Average rainfall in January: 0.59"

The wettest months (with the highest rainfall) are June and July (3.03").
The driest month (with the least rainfall) is February (0.55").

Average rainfall days in January
Rosholt, SD

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

The month with the highest number of rainy days is June (15.4 days).
The month with the least rainy days is February (2 days).

Average snowfall in January
Rosholt, SD

Average snowfall in January - Rosholt, SD
  • Average snowfall in January: 3.62"

The month with the highest snowfall is December (4.45").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Rosholt, SD

Average snowfall days in January - Rosholt, SD
  • Average snowfall days in January: 12.3 days

The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Rosholt, SD
  • Average daylight in January: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in January: 3h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

Average sunshine days in January
Rosholt, SD

Average sunshine days in January - Rosholt, SD
  • Average sunshine days in January: 16.7 days

The month with the most sunshine days is September (19.5 days).
The month with the least sunshine days is June (12.4 days).

Average UV index in January
Rosholt, SD

Average UV index in January - Rosholt, SD
  • Average UV index in January: 1

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in January
Rosholt, SD

Average cloud cover in January - Rosholt, SD
  • Average cloud cover in January: 63

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 25).

Average visibility in January
Rosholt, SD

Average visibility in January - Rosholt, SD
  • Average visibility in January: 5mi

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).

Rosholt, South Dakota, USA

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