January weather forecast
Wagner, SD

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Weather in January

January ushers in the new year with icy temperatures for residents of Wagner, South Dakota. The cold weather is marked by frosty mornings as temperatures plummet. A significant level of humidity during this time, often results in mists or fog. The city witnesses a cloud cover of 49%, creating a dramatic wintery landscape. It is the coldest month of the year with lows plummeting to 13.6°F (-10.2°C) and highs reaching only up to 27.3°F (-2.6°C).

Temperature

January, having an average high-temperature of 27.3°F (-2.6°C) and an average low-temperature of 13.6°F (-10.2°C), is the coldest month in Wagner.

Humidity

The most humid month is January, with an average relative humidity of 84%.

Rainfall

In Wagner, in January, it is raining for 2.9 days, with typically 0.39" (10mm) of accumulated precipitation. Throughout the year, in Wagner, there are 104.1 rainfall days, and 14.29" (363mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in Wagner. The months with the most snowfall are January and March, with an average 1.93" (49mm) of accumulated snow.

Daylight

In January, the average length of the day is 9h and 26min.
On the first day of the month, sunrise is at 8:04 am and sunset at 5:08 pm. On the last day of January, in Wagner, sunrise is at 7:49 am and sunset at 5:43 pm CST.

Sunshine

With an average of 4.7h of sunshine, January has the least sunshine of the year.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: An average maximum UV index of 2 in January leads to these recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
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 Wagner?

The month of January sees the average lowest temperatures in Wagner, reaching 27.3°F (-2.6°C) at the peak and 13.6°F (-10.2°C) at the low.

How cold is it in Wagner in January?

The average high-temperature and low-temperature in Wagner during January are 27.3°F (-2.6°C) and 13.6°F (-10.2°C) respectively.

What is the most humid month in Wagner?

The most humid month in Wagner, South Dakota, is January, with an average relative humidity of 84%.

What is the average humidity in January in Wagner?

The average relative humidity in January in Wagner, South Dakota, is 84%.

How much does it rain in Wagner in January?

In Wagner, in January, during 2.9 rainfall days, 0.39" (10mm) of precipitation is typically accumulated.

When does it snow the most in Wagner?

The months with the most snowfall in Wagner, South Dakota, are January and March, with an average 1.93" (49mm) of accumulated snow.

How many days does it snow in January in Wagner?

In Wagner, in January, during 8.2 snowfall days, 1.93" (49mm) of snow is typically accumulated.

How many hours of daylight does Wagner have in January?

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

What time are sunrise and sunset in January in Wagner?

On the first day of January, sunrise is at 8:04 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 5:43 pm CST.

What is the month with the least sunshine in Wagner?

The month with the least sunshine in Wagner is January, with an average of 4.7h of sunshine.

How many hours of sunshine does Wagner have in January?

The average sunshine duration in January in Wagner, South Dakota, is 4.7h.

What are the months with the lowest UV index in Wagner?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

What is the UV index intensity in January in Wagner?

In Wagner, the average daily maximum UV index in January is 2. A UV Index reading 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
Wagner, SD

Average temperature in January - Wagner, SD
  • Average high temperature in January: 27.3°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (27.3°F).

  • Average low temperature in January: 13.6°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).

Average pressure in January
Wagner, SD

Average pressure in January - Wagner, 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 (29.85"Hg).

Average wind speed in January
Wagner, SD

Average wind speed in January - Wagner, SD
  • Average wind speed in January: 10.4mph

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).

Average humidity in January
Wagner, SD

Average humidity in January - Wagner, SD
  • Average humidity in January: 84%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (62%).

Average rainfall in January
Wagner, SD

Average rainfall in January - Wagner, SD
  • Average rainfall in January: 0.39"

The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is February (0.31").

Average rainfall days in January
Wagner, SD

Average rainfall days in January - Wagner, SD
  • Average rainfall days in January: 2.9 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (2.9 days).

Average snowfall in January
Wagner, SD

Average snowfall in January - Wagner, SD
  • Average snowfall in January: 1.93"

The months with the highest snowfall are January and March (1.93").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Wagner, SD

Average snowfall days in January - Wagner, SD
  • Average snowfall days in January: 8.2 days

The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Wagner, 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 4min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in January
Wagner, SD

Average sunshine days in January - Wagner, SD
  • Average sunshine days in January: 20.9 days

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is June (12.3 days).

Average UV index in January
Wagner, SD

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

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in January
Wagner, SD

Average cloud cover in January - Wagner, SD
  • Average cloud cover in January: 49

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 23).

Average visibility in January
Wagner, SD

Average visibility in January - Wagner, 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).

Wagner, South Dakota, USA

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