January weather forecast
Montrose, SD

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Weather in January

January, like December, is a freezing cold winter month in Montrose, 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

Montrose's January weather, marked by an average high temperature of 22.8°F (-5.1°C) and an average low temperature of 9.3°F (-12.6°C), is the coldest in the year.

Humidity

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

Rainfall

In January, the rain falls for 2.9 days. Throughout January, 0.67" (17mm) of precipitation is accumulated. 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 Montrose, in January, during 10.8 snowfall days, 3.31" (84mm) of snow is typically accumulated. In Montrose, during the entire year, snow falls for 45.4 days and aggregates up to 19.33" (491mm) of snow.

Daylight

In January, the average length of the day is 9h and 22min.
On the first day of the month, sunrise is at 8:02 am and sunset at 5:02 pm. On the last day of January, sunrise is at 7:46 am and sunset at 5:37 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 reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: In January, the maximum UV index of 1 suggests these recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

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

How cold is it in January?

The high-temperature during January is 22.8°F (-5.1°C) and the low-temperature is 9.3°F (-12.6°C).

What is the most humid month?

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

What is the average humidity in January?

In January, the average relative humidity is 88%.

How much does it rain in January?

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

How much 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 Montrose have in January?

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

When is the sunrise / sunset in January in Montrose?

In January, on the first day of the month, sunrise is at 8:02 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 5:37 pm CST.

What is the month with the least sunshine?

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

How many hours of sunshine does Montrose have in January?

In Montrose, the average sunshine duration in January is 4h.

What is the month with the lowest UV index?

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

What is the UV index reading in January in Montrose?

In Montrose, the average daily maximum UV index in January is 1. A UV Index of 2, and less, symbolizes a minimal hazard to health 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
Montrose, SD

Average temperature in January - Montrose, 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
Montrose, SD

Average pressure in January - Montrose, 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
Montrose, SD

Average wind speed in January - Montrose, 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
Montrose, SD

Average humidity in January - Montrose, 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
Montrose, SD

Average rainfall in January - Montrose, 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
Montrose, SD

Average rainfall days in January - Montrose, 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
Montrose, SD

Average snowfall in January - Montrose, 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
Montrose, SD

Average snowfall days in January - Montrose, 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
Montrose, SD

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

Average sunshine days in January - Montrose, 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
Montrose, SD

Average UV index in January - Montrose, 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
Montrose, SD

Average cloud cover in January - Montrose, 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
Montrose, SD

Average visibility in January - Montrose, 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).

Montrose, South Dakota, USA

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