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
During January, Alta records an average high-temperature of a still freezing cold 25.2°F (-3.8°C), marking a slight divergence from December's 23.2°F (-4.9°C). Alta's nights in January experience an average temperature drop to an extreme cold 7.9°F (-13.4°C).Humidity
In January, the average relative humidity is 93%.Rainfall
In Alta, in January, it is raining for 3 days, with typically 3.66" (93mm) of accumulated precipitation. In Alta, Wyoming, during the entire year, the rain falls for 96.6 days and collects up to 32.95" (837mm) of precipitation.Snowfall
January through June, August through December are months with snowfall. In Alta, in January, snow falls for 21.8 days, with typically accumulated 30.2" (767mm) of snow. Throughout the year, there are 160.8 snowfall days, and 200.16" (5084mm) of snow is accumulated.Daylight
In Alta, the average length of the day in January is 9h and 22min.On the first day of the month, sunrise is at 7:57 am and sunset at 4:57 pm. On the last day of January, sunrise is at 7:42 am and sunset at 5:33 pm MST.
Sunshine
In Alta, the average sunshine in January is 3.5h.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 1 during January leads to these advisories:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is January?
What is the average humidity in January?
How many days does it rain in January?
How much does it snow in January?
How many hours of daylight does Alta have in January?
When is the sunrise / sunset in January?
How many hours of sunshine does Alta have in January?
What are the months with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Alta, WY
- Average high temperature in January: 25.2°F
The warmest month (with the highest average high temperature) is July (75.4°F).
The month with the lowest average high temperature is December (23.2°F).
- Average low temperature in January: 7.9°F
The month with the highest average low temperature is July (46.9°F).
The coldest month (with the lowest average low temperature) is December (7.7°F).
Average pressure in January
Alta, WY
- Average pressure in January: 30.27"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Alta, WY
- Average wind speed in January: 4.8mph
The windiest month (with the highest average wind speed) is June (6.2mph).
The calmest months (with the lowest average wind speed) are January and December (4.8mph).
Average humidity in January
Alta, WY
- Average humidity in January: 93%
The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is August (47%).
Average rainfall in January
Alta, WY
- Average rainfall in January: 3.66"
The wettest month (with the highest rainfall) is February (4.13").
The driest month (with the least rainfall) is July (0.91").
Average rainfall days in January
Alta, WY
- Average rainfall days in January: 3 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (3 days).
Average snowfall in January
Alta, WY
- Average snowfall in January: 30.2"
The month with the highest snowfall is February (34.33").
The month with the least snowfall is July (0").
Average snowfall days in January
Alta, WY
- Average snowfall days in January: 21.8 days
The month with the highest number of snowfall days is March (23.6 days).
The month with the least snowfall days is July (0.1 days).
Average daylight in January /
Average sunshine in January
Alta, 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: 3h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in January
Alta, WY
- Average sunshine days in January: 9.8 days
The month with the most sunshine days is July (20.3 days).
The month with the least sunshine days is April (6.2 days).
Average UV index in January
Alta, 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, October, November and December (UV index 1).
Average cloud cover in January
Alta, WY
- Average cloud cover in January: 66
The month with the most cloud cover is February (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in January
Alta, WY
- Average visibility in January: 3mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March and December (3mi).
Alta, Wyoming, USA
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