ClimateForecastNovemberDecember >>

Alta (WY) Climate by Month

The temperature in Alta can vary quite a bit throughout the year. Temperatures can be warm during the warmest months, and very cold during the cooler months. It maintains moderate precipitation patterns. Now, let’s break down all the climate details for a clearer picture.

Average day and night temperature

Visitors to Alta can expect significant temperature changes throughout the year. Typically, daytime temperatures range from a comfortable 26°C in July to a very cold -2°C in the coolest month, January. Nights are cooler, with temperatures generally dropping to -12°C, particularly during the colder months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Generally, Alta experiences moderate precipitation patterns, averaging 758 mm yearly. The climate in Alta shows significant variation throughout the year. Expect moderate snowfall in December, with an average of 85 mm of precipitation over 19 snowy days. In contrast, July offers drier and sunnier days, with around 29 mm of rainfall over 8 rainy days.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

For those who appreciate different seasons, Alta serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 11.3 hours of sunshine daily, and embrace the darker days in December, offering only 3.7 hours of daily sunlight.

Monthly hours of sunshine

Data from: Jackson, the United States of America (37 KM, 23 Miles).

Daily hours of sunshine

Data from: Jackson, the United States of America (37 KM, 23 Miles).

The best time of year to visit Alta in the United States of America

During the months of June, July, August and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is winter in Alta?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Alta?
    July has an average maximum temperature of 26°C and is the warmest month of the year.
  • Which is the coldest month in Alta?
    The coldest month is January with an average maximum temperature of -2°C.
  • Which is the wettest month in Alta?
    December tops the wettest month list with 85 mm of rainfall.
  • Which is the driest month in Alta?
    July is the driest month with 29 mm of precipitation.
  • Which is the sunniest month in Alta?
    July is the sunniest month with an average of 340 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Alta (WY)

    Fri   Nov 22
    8°C | -1°C
    S 11 km/h
    broken clouds and no rain

    broken clouds and no rain

    Sat   Nov 23
    5°C | -1°C
    S 18 km/h
    5.6 mm
    overcast and sleet

    overcast and sleet

    Sun   Nov 24
    0°C | -11°C
    SW 14 km/h
    4.9 mm
    overcast and snow

    overcast and snow