January weather forecast
Salem, SD

Share

Weather in January

January, like December, is another subzero cold winter month in Salem, South Dakota, with an average temperature fluctuating between 9.3°F (-12.6°C) and 22.8°F (-5.1°C).

Temperature

The month of January, characterized by an average high of 22.8°F (-5.1°C) and a low of 9.3°F (-12.6°C), is recognized as the coldest.

Humidity

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

Rainfall

In Salem, in January, it is raining for 2.9 days, with typically 0.67" (17mm) of accumulated precipitation. In Salem, during the entire year, the rain falls for 118.3 days and collects up to 22.76" (578mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In January, it is snowing for 10.8 days. Throughout January, 3.31" (84mm) of snow is accumulated. In Salem, during the entire year, snow falls for 45.4 days and aggregates up to 19.33" (491mm) of snow.

Daylight

The average length of the day in January is 9h and 22min.
On the first day of the month, sunrise is at 8:03 am and sunset at 5:02 pm. On the last day of January, sunrise is at 7:47 am and sunset at 5:38 pm CST.

Sunshine

The month with the least sunshine is January, with an average of 4h of sunshine.

UV index

January and December, 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 health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 1 during January translates into the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

Salem experiences its lowest temperatures in January, with an average peak of 22.8°F (-5.1°C) and a low of 9.3°F (-12.6°C).

How cold is it in Salem in January?

The high-temperature, in January, in Salem, records 22.8°F (-5.1°C), while the low-temperature is 9.3°F (-12.6°C).

What is the most humid month?

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

What is the average humidity in January?

The average relative humidity in January is 88%.

How much does it rain in January?

In Salem, during January, the rain falls for 2.9 days and regularly aggregates up to 0.67" (17mm) of precipitation.

How many days does it snow in January?

In Salem, during January, snow falls for 10.8 days and regularly aggregates up to 3.31" (84mm) of snow.

How many hours of daylight does Salem have in January?

In Salem, the average day length in January is 9h and 22min.

What time are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 8:03 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 5:38 pm CST.

What is the month with the least sunshine in Salem?

January has the least sunshine of the year, with an average of 4h of sunshine.

How long on average sun shines in January?

In January, the average sunshine duration is 4h.

When is the lowest UV index?

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

What is the UV index intensity in January in Salem?

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

Average temperature in January - Salem, SD
  • Average high temperature in January: 22.8°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (22.8°F).

  • Average low temperature in January: 9.3°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (9.3°F).

Average pressure in January
Salem, SD

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

Average wind speed in January
Salem, SD

Average wind speed in January - Salem, SD
  • Average wind speed in January: 10.6mph

The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).

Average humidity in January
Salem, SD

Average humidity in January - Salem, SD
  • Average humidity in January: 88%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (67%).

Average rainfall in January
Salem, SD

Average rainfall in January - Salem, SD
  • Average rainfall in January: 0.67"

The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is February (0.63").

Average rainfall days in January
Salem, SD

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

The month with the highest number of rainy days is June (18.3 days).
The month with the least rainy days is February (2.6 days).

Average snowfall in January
Salem, SD

Average snowfall in January - Salem, SD
  • Average snowfall in January: 3.31"

The month with the highest snowfall is December (4.21").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Salem, SD

Average snowfall days in January - Salem, SD
  • Average snowfall days in January: 10.8 days

The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in January: 4h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in January
Salem, SD

Average sunshine days in January - Salem, SD
  • Average sunshine days in January: 19.6 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (9.2 days).

Average UV index in January
Salem, SD

Average UV index in January - Salem, 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
Salem, SD

Average cloud cover in January - Salem, SD
  • Average cloud cover in January: 57

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in January
Salem, SD

Average visibility in January - Salem, 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).

Salem, South Dakota, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location