January weather forecast
Alta, WY

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Weather in January

January, like December, is a freezing cold winter month in Alta, Wyoming, with temperature in the range of an average low of 7.9°F (-13.4°C) and an average high of 25.2°F (-3.8°C).

Temperature

At the onset of January, Alta records an average high-temperature of a still freezing cold 25.2°F (-3.8°C), showing little deviation from the preceding month. In January, the nighttime temperature lowers to an average of 7.9°F (-13.4°C).

Humidity

The average relative humidity in January in Alta is 93%.

Rainfall

In Alta, Wyoming, in January, it is raining for 3 days, with typically 3.66" (93mm) of accumulated precipitation. Throughout the year, in Alta, there are 96.6 rainfall days, and 32.95" (837mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Alta are January through June, August through December. In Alta, in January, during 21.8 snowfall days, 30.2" (767mm) of snow is typically accumulated. Throughout the year, there are 160.8 snowfall days, and 200.16" (5084mm) of snow is accumulated.

Daylight

In January, the average length of the day in Alta 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

The average sunshine in January in Alta is 3.5h.

UV index

January through March, October through December, with an average maximum UV index of 1, are months with the lowest UV index in Alta, Wyoming. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: During January, 1 as the daily maximum UV index converts into the following advice:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Enhance your sun protection with tightly woven, yet airy clothing. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
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Frequently asked questions

How cold is January in Alta?

The high-temperature, in January, in Alta, records 25.2°F (-3.8°C), while the low-temperature is 7.9°F (-13.4°C).

What is the average humidity in January in Alta?

The average relative humidity in January is 93%.

How many days does it rain in January in Alta?

In Alta, in January, it is raining for 3 days, with typically 3.66" (93mm) of accumulated precipitation.

How much does it snow in Alta in January?

In January, in Alta, Wyoming, it is snowing for 21.8 days. Throughout January, 30.2" (767mm) of snow is accumulated.

What is the average length of the day in January in Alta?

The average day length in January in Alta is 9h and 22min.

When is the sunrise / sunset in January in Alta?

In January, on the first day of the month, sunrise is at 7:57 am and sunset at 4:57 pm. On the last day of the month, in Alta, Wyoming, sunrise is at 7:42 am and sunset at 5:33 pm MST.

How many hours of sunshine does Alta have in January?

In January, the average sunshine duration in Alta is 3.5h.

What is the month with the lowest UV index in Alta?

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

How high is the UV index in January in Alta?

In Alta, the average daily maximum UV index in January is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to Sun's UV rays.
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
Alta, WY

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).

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Average pressure in January
Alta, WY

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).

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Average wind speed in January
Alta, WY

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).

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Average humidity in January
Alta, WY

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%).

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Average rainfall in January
Alta, WY

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").

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Average rainfall days in January
Alta, WY

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).

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Average snowfall in January
Alta, WY

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").

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Average snowfall days in January
Alta, WY

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).

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Average daylight in January /
Average sunshine in January
Alta, WY

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).

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Average sunshine days in January
Alta, WY

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).

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Average UV index in January
Alta, WY

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).

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Average cloud cover in January
Alta, WY

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).

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Average visibility in January
Alta, WY

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).

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Alta, Wyoming, USA

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