January weather forecast
Monroe, SD

Share

Weather in January

January, like December, is a freezing cold winter month in Monroe, South Dakota, with temperature in the range of an average high of 22.8°F (-5.1°C) and an average low of 9.3°F (-12.6°C).

Temperature

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

Humidity

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

Rainfall

In Monroe, during January, the rain falls for 2.9 days and regularly aggregates up to 0.67" (17mm) of precipitation. Throughout the year, there are 118.3 rainfall days, and 22.76" (578mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Monroe, in January, snow falls for 10.8 days, with typically accumulated 3.31" (84mm) of snow. Throughout the year, there are 45.4 snowfall days, and 19.33" (491mm) of snow is accumulated.

Daylight

In Monroe, the average length of the day in January is 9h and 23min.
On the first day of January, sunrise is at 8:01 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 5:38 pm CST.

Sunshine

January has the least sunshine of the year, 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 unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 1 during January leads to these advisories:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.

Frequently asked questions

What is the coldest month?

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

How cold is it in January?

Monroe in January has an average high-temperature of 22.8°F (-5.1°C) and an average low-temperature of 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?

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

How many days does it rain in January?

In Monroe, 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 January, it is snowing for 10.8 days. Throughout January, 3.31" (84mm) of snow is accumulated.

How many hours of daylight does Monroe have in January?

In Monroe, South Dakota, the average day length in January is 9h and 23min.

When is the sunrise / sunset in January?

In January, on the first day of the month, sunrise is at 8:01 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 5:38 pm CST.

What is the month with the least sunshine?

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

How many hours of sunshine does Monroe have in January?

In January, the average sunshine duration is 4h.

What are the months with the lowest UV index?

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?

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

Average temperature in January - Monroe, 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
Monroe, SD

Average pressure in January - Monroe, 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
Monroe, SD

Average wind speed in January - Monroe, 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
Monroe, SD

Average humidity in January - Monroe, 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
Monroe, SD

Average rainfall in January - Monroe, 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
Monroe, SD

Average rainfall days in January - Monroe, 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
Monroe, SD

Average snowfall in January - Monroe, 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
Monroe, SD

Average snowfall days in January - Monroe, 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
Monroe, SD

Average daylight in January / Average sunshine in January - Monroe, 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
Monroe, SD

Average sunshine days in January - Monroe, 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
Monroe, SD

Average UV index in January - Monroe, 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
Monroe, SD

Average cloud cover in January - Monroe, 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
Monroe, SD

Average visibility in January - Monroe, 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).

Monroe, South Dakota, USA

Weather forecast for your location

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