Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
Welcoming January, Devils Tower notes an average high-temperature of a still freezing cold 31.5°F (-0.3°C), nearly consistent with December's 30.9°F (-0.6°C). An average low-temperature of 18.5°F (-7.5°C) is recorded in the month of January.Humidity
January is the most humid month, with an average relative humidity of 79%.Rainfall
January is the month with the least rainfall. Rain falls for 3 days and accumulates 0.59" (15mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In January, it is snowing for 9.7 days. Throughout January, 3.31" (84mm) of snow is accumulated. Throughout the year, in Devils Tower, Wyoming, there are 57 snowfall days, and 36.46" (926mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 17min.On the first day of January, sunrise is at 7:35 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:05 pm MST.
Sunshine
The average sunshine in January is 5.8h.UV index
The months with the lowest UV index are January, February, April, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 2 in January translates into this advice:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in January?
What is the most humid month?
What is the average humidity in January?
What is the driest month?
How much does it rain in January?
How many days does it snow in January?
How many hours of daylight does Devils Tower have in January?
When is the sunrise / sunset in January?
How many hours of sunshine does Devils Tower have in January?
When is the lowest UV index?
How high is the UV index in January?
Average temperature in January
Devils Tower, WY
- Average high temperature in January: 31.5°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is December (30.9°F).
- Average low temperature in January: 18.5°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is February (16.2°F).
Average pressure in January
Devils Tower, WY
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in January
Devils Tower, WY
- Average wind speed in January: 10.2mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (8mph).
Average humidity in January
Devils Tower, WY
- Average humidity in January: 79%
The month with the highest relative humidity is January (79%).
The months with the lowest relative humidity are August and September (49%).
Average rainfall in January
Devils Tower, WY
- Average rainfall in January: 0.59"
The wettest month (with the highest rainfall) is May (2.32").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in January
Devils Tower, WY
- Average rainfall days in January: 3 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is February (2.9 days).
Average snowfall in January
Devils Tower, WY
- Average snowfall in January: 3.31"
The month with the highest snowfall is April (7.36").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Devils Tower, WY
- Average snowfall days in January: 9.7 days
The month with the highest number of snowfall days is February (11.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Devils Tower, 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: 5h and 5min
The month with the most sunshine is August (Average sunshine: 11h and 42min).
The months with the least sunshine are February and December (Average sunshine: 5h and 42min).
Average sunshine days in January
Devils Tower, WY
- Average sunshine days in January: 18.3 days
The months with the most sunshine days are September and November (20.3 days).
The month with the least sunshine days is May (12.7 days).
Average UV index in January
Devils Tower, WY
- Average UV index in January: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, April, November and December (UV index 2).
Average cloud cover in January
Devils Tower, WY
- Average cloud cover in January: 40
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in January
Devils Tower, WY
- 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).
Devils Tower, Wyoming, USA
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