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
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
How cold is January in Thermopolis?
What is the most humid month in Thermopolis?
What is the average humidity in January in Thermopolis?
What is the driest month in Thermopolis?
How much does it rain in Thermopolis in January?
How many days does it snow in January in Thermopolis?
What is the average length of the day in January in Thermopolis?
When are sunrise and sunset in January in Thermopolis?
How many hours of sunshine does Thermopolis have in January?
What are the months with the lowest UV index in Thermopolis?
What is the UV index reading in January in Thermopolis?
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 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: 6h and 3min
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).
Thermopolis, Wyoming, USA
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