January weather forecastThermopolis, WY
January
Weather in January
January in Thermopolis, Wyoming, features a chilly and snowy atmosphere, setting the stage for the beginning of the year. The coldest month of winter with an average high temperature of 28.9°F (-1.7°C) and a low around 12.6°F (-10.8°C). A white blanket of snow is often seen in the landscape due to the average snowfall of 3.07" (78mm) over nine days. The slow-paced rhythms of nature are complemented by minimal sunlight exposure, thus amplifying the wintry feel. Extreme weather such as brutal cold winds and icy roads may be encountered, calling for extra precautions when venturing outdoors.Temperature
The average high-temperature in Thermopolis for January is a still freezing cold 28.9°F (-1.7°C), closely aligning with the temperature of the preceding month. During the nights in January, the temperature in Thermopolis, Wyoming, averages to a frigid cold 12.6°F (-10.8°C).Humidity
With an average relative humidity of 81%, January is the most humid month.Rainfall
January is the month with the least rainfall in Thermopolis. Rain falls for 4.3 days and accumulates 0.43" (11mm) of precipitation.Snowfall
Months with snowfall in Thermopolis are January through May, September through December. In Thermopolis, in January, snow falls for 9.3 days, with typically accumulated 3.07" (78mm) of snow. In Thermopolis, during the entire year, snow falls for 51.2 days and aggregates up to 21.3" (541mm) of snow.Daylight
The average length of the day in January is 9h and 23min.On the first day of January in Thermopolis, sunrise is at 7:46 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:22 pm MST.
Sunshine
In Thermopolis, Wyoming, the average sunshine in January is 6.5h.UV index
January through April, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 2 during January translates into the following directions:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Thermopolis, WY
- Average high temperature in January: 28.9°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is December (28.2°F).
- Average low temperature in January: 12.6°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in January
Thermopolis, WY
- Average pressure in January: 30.19"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in January
Thermopolis, WY
- Average wind speed in January: 5mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is January (5mph).
Average humidity in January
Thermopolis, WY
- Average humidity in January: 81%
The month with the highest relative humidity is January (81%).
The months with the lowest relative humidity are July and August (35%).
Average rainfall in January
Thermopolis, WY
- Average rainfall in January: 0.43"
The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in January
Thermopolis, WY
- Average rainfall days in January: 4.3 days
The month with the highest number of rainy days is May (17 days).
The months with the least rainy days are January and December (4.3 days).
Average snowfall in January
Thermopolis, WY
- Average snowfall in January: 3.07"
The month with the highest snowfall is February (4.57").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Thermopolis, WY
- Average snowfall days in January: 9.3 days
The month with the highest number of snowfall days is February (11.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Thermopolis, WY
- Average daylight in January: 9h and 24min
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: 6h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).
Average sunshine days in January
Thermopolis, WY
- Average sunshine days in January: 20.2 days
The month with the most sunshine days is January (20.2 days).
The month with the least sunshine days is May (10.1 days).
Average UV index in January
Thermopolis, 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, March, April, November and December (UV index 2).
Average cloud cover in January
Thermopolis, WY
- Average cloud cover in January: 30
The month with the most cloud cover is February (Cloud cover 35).
The months with the least cloud cover are July and August (Cloud cover 14).
Average visibility in January
Thermopolis, WY
- 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).
