January weather forecast
De Smet, SD

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Weather in January

January, the same as December, in De Smet, South Dakota, is a freezing cold winter month, with an average temperature fluctuating between 23.2°F (-4.9°C) and 8.2°F (-13.2°C).

Temperature

De Smet's January weather, marked by an average high temperature of 23.2°F (-4.9°C) and an average low temperature of 8.2°F (-13.2°C), is the coldest in the year.

Humidity

January is the most humid month, with an average relative humidity of 88%.

Rainfall

January is the month with the least rainfall in De Smet, South Dakota. Rain falls for 2.7 days and accumulates 0.55" (14mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In De Smet, in January, snow falls for 9.2 days, with typically accumulated 3.11" (79mm) of snow. In De Smet, South Dakota, during the entire year, snow falls for 42.3 days and aggregates up to 16.54" (420mm) of snow.

Daylight

The average length of the day in January in De Smet is 9h and 18min.
On the first day of the month, sunrise is at 8:06 am and sunset at 5:01 pm. On the last day of January, sunrise is at 7:49 am and sunset at 5:37 pm CST.

Sunshine

The month with the least sunshine in De Smet is January, with an average of 4.2h of sunshine.

UV index

January and November, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In January, the average maximum UV index of 1 translates into the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
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 De Smet?

The month of January, characterized by an average high of 23.2°F (-4.9°C) and a low of 8.2°F (-13.2°C), is recognized as the coldest.

How cold is it in De Smet in January?

The average high-temperature, in January, in De Smet, is 23.2°F (-4.9°C), while the average low-temperature is 8.2°F (-13.2°C).

What is the most humid month in De Smet?

With an average relative humidity of 88%, January is the most humid month in De Smet.

What is the average humidity in January in De Smet?

In De Smet, South Dakota, the average relative humidity in January is 88%.

What is the driest month in De Smet?

The month with the least rainfall is January, when the rain falls for 2.7 days and typically collects 0.55" (14mm) of precipitation.

How much does it rain in De Smet in January?

In De Smet, South Dakota, in January, it is raining for 2.7 days, with typically 0.55" (14mm) of accumulated precipitation.

How many days does it snow in January in De Smet?

In De Smet, in January, snow falls for 9.2 days, with typically accumulated 3.11" (79mm) of snow.

How many hours of daylight does De Smet have in January?

In De Smet, the average day length in January is 9h and 18min.

When is the sunrise / sunset in January in De Smet?

In January, on the first day of the month, sunrise is at 8:06 am and sunset at 5:01 pm. On the last day of the month, in De Smet, South Dakota, sunrise is at 7:49 am and sunset at 5:37 pm CST.

What is the month with the least sunshine in De Smet?

With an average of 4.2h of sunshine, January has the least sunshine of the year in De Smet.

How many hours of sunshine does De Smet have in January?

In January, the average sunshine duration in De Smet, South Dakota, is 4.2h.

What is the month with the lowest UV index in De Smet?

January and November, with an average maximum UV index of 1, are months with the lowest UV index in De Smet.

What is the UV index intensity in January in De Smet?

The average daily maximum UV index in January in De Smet, South Dakota, is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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
De Smet, SD

Average temperature in January - De Smet, SD
  • Average high temperature in January: 23.2°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (23.2°F).

  • Average low temperature in January: 8.2°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (8.2°F).

Average pressure in January
De Smet, SD

Average pressure in January - De Smet, 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 (29.84"Hg).

Average wind speed in January
De Smet, SD

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

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (8.6mph).

Average humidity in January
De Smet, SD

Average humidity in January - De Smet, SD
  • Average humidity in January: 88%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is September (62%).

Average rainfall in January
De Smet, SD

Average rainfall in January - De Smet, SD
  • Average rainfall in January: 0.55"

The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.55").

Average rainfall days in January
De Smet, SD

Average rainfall days in January - De Smet, SD
  • Average rainfall days in January: 2.7 days

The month with the highest number of rainy days is June (15.2 days).
The month with the least rainy days is February (1.8 days).

Average snowfall in January
De Smet, SD

Average snowfall in January - De Smet, SD
  • Average snowfall in January: 3.11"

The month with the highest snowfall is February (3.54").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
De Smet, SD

Average snowfall days in January - De Smet, SD
  • Average snowfall days in January: 9.2 days

The month with the highest number of snowfall days is December (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
De Smet, SD

Average daylight in January / Average sunshine in January - De Smet, 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 1min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in January
De Smet, SD

Average sunshine days in January - De Smet, SD
  • Average sunshine days in January: 19.8 days

The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is June (12.3 days).

Average UV index in January
De Smet, SD

Average UV index in January - De Smet, SD
  • Average UV index in January: 1

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

Average cloud cover in January
De Smet, SD

Average cloud cover in January - De Smet, SD
  • Average cloud cover in January: 54

The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 22).

Average visibility in January
De Smet, SD

Average visibility in January - De Smet, SD
  • Average visibility in January: 5mi

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

De Smet, South Dakota, USA

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