January weather forecast
Devils Den, WY

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Weather in January

January, like December, is another subzero cold winter month in Devils Den, Wyoming, with temperature in the range of an average low of 4.5°F (-15.3°C) and an average high of 21°F (-6.1°C).

Temperature

January begins with an average high-temperature of a still freezing cold 21°F (-6.1°C), reflecting close similarity to the preceding month. Devils Den in January experiences a low-temperature average of 4.5°F (-15.3°C).

Humidity

In January, the average relative humidity in Devils Den is 92%.

Rainfall

In Devils Den, in January, it is raining for 2.8 days, with typically 2.05" (52mm) of accumulated precipitation. Throughout the year, in Devils Den, there are 102.8 rainfall days, and 23.98" (609mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through December. In Devils Den, during January, snow falls for 22.7 days and regularly aggregates up to 15.75" (400mm) of snow. Throughout the year, in Devils Den, Wyoming, there are 186.1 snowfall days, and 135.16" (3433mm) of snow is accumulated.

Daylight

The average length of the day in January in Devils Den is 9h and 15min.
On the first day of January, sunrise is at 7:59 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:27 pm MST.

Sunshine

In Devils Den, Wyoming, the average sunshine in January is 3.9h.

UV index

January through April, October through December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum high daily UV index of 1 during January translates into the following directions:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. 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

How cold is January in Devils Den?

The average high-temperature and low-temperature during January are 21°F (-6.1°C) and 4.5°F (-15.3°C) respectively.

What is the average humidity in January in Devils Den?

The average relative humidity in January is 92%.

How much does it rain in Devils Den in January?

In Devils Den, in January, it is raining for 2.8 days, with typically 2.05" (52mm) of accumulated precipitation.

How many days does it snow in January in Devils Den?

In Devils Den, Wyoming, during January, snow falls for 22.7 days and regularly aggregates up to 15.75" (400mm) of snow.

What is the average length of the day in January in Devils Den?

The average day length in January in Devils Den, Wyoming, is 9h and 15min.

When are sunrise and sunset in January in Devils Den?

On the first day of January in Devils Den, sunrise is at 7:59 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:27 pm MST.

How long on average sun shines in January in Devils Den?

The average sunshine duration in January in Devils Den, Wyoming, is 3.9h.

What are the months with the lowest UV index in Devils Den?

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

What is the UV index reading in January in Devils Den?

The average daily maximum UV index in January in Devils Den is 1. A UV Index estimate of 2, and below, represents a low health threat 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
Devils Den, WY

Average temperature in January - Devils Den, WY
  • Average high temperature in January: 21°F

The warmest month (with the highest average high temperature) is July (70.9°F).
The month with the lowest average high temperature is December (18.9°F).

  • Average low temperature in January: 4.5°F

The month with the highest average low temperature is July (43.2°F).
The coldest month (with the lowest average low temperature) is December (2.5°F).

Average pressure in January
Devils Den, WY

Average pressure in January - Devils Den, WY
  • Average pressure in January: 30.23"Hg

The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in January
Devils Den, WY

Average wind speed in January - Devils Den, WY
  • Average wind speed in January: 6.8mph

The windiest months (with the highest average wind speed) are February and June (7.3mph).
The calmest month (with the lowest average wind speed) is May (6mph).

Average humidity in January
Devils Den, WY

Average humidity in January - Devils Den, WY
  • Average humidity in January: 92%

The months with the highest relative humidity are February and March (93%).
The months with the lowest relative humidity are July and August (51%).

Average rainfall in January
Devils Den, WY

Average rainfall in January - Devils Den, WY
  • Average rainfall in January: 2.05"

The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is July (1.02").

Average rainfall days in January
Devils Den, WY

Average rainfall days in January - Devils Den, WY
  • Average rainfall days in January: 2.8 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (2.8 days).

Average snowfall in January
Devils Den, WY

Average snowfall in January - Devils Den, WY
  • Average snowfall in January: 15.75"

The month with the highest snowfall is April (19.69").
The month with the least snowfall is July (0.24").

Average snowfall days in January
Devils Den, WY

Average snowfall days in January - Devils Den, WY
  • Average snowfall days in January: 22.7 days

The month with the highest number of snowfall days is March (25.6 days).
The month with the least snowfall days is July (0.4 days).

Average daylight in January /
Average sunshine in January
Devils Den, WY

Average daylight in January / Average sunshine in January - Devils Den, WY
  • 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: 3h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).

Average sunshine days in January
Devils Den, WY

Average sunshine days in January - Devils Den, WY
  • Average sunshine days in January: 9.2 days

The month with the most sunshine days is September (15.6 days).
The month with the least sunshine days is May (3.1 days).

Average UV index in January
Devils Den, WY

Average UV index in January - Devils Den, WY
  • Average UV index in January: 1

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 1).

Average cloud cover in January
Devils Den, WY

Average cloud cover in January - Devils Den, WY
  • Average cloud cover in January: 64

The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 15).

Average visibility in January
Devils Den, WY

Average visibility in January - Devils Den, WY
  • Average visibility in January: 4mi

The months with the highest visibility are June, July, August and September (6mi).
The month with the lowest visibility is February (3mi).

Devils Den, Wyoming, USA

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