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Evanston (WY) Climate by Month

The climate in Evanston is marked by big temperature swings throughout the year. Temperatures range from warm during the warmest months to very cold in the cooler months. The city tends toward drier weather patterns. Now, let’s explore all the climate details to give you a full picture.

Average day and night temperature

In Evanston, temperatures differ significantly between summer and winter months. Typically, daytime temperatures range from a comfortable 28°C in July to a very cold -0°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

Evanston typically sees modest rain/snowfall throughout the year, with an average annual precipitation of 301 mm. The climate in Evanston shows significant variation throughout the year. Expect moderate rainfall in May, with an average of 48 mm of precipitation over 9 rainy days. In contrast, July offers drier and sunnier days, with around 14 mm of rainfall over 5 rainy days.

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

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

During the months of June 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:
  • Does Evanston have a dry season?
    Yes, the months of January, February, March and July are very dry.
  • When is winter in Evanston?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Evanston?
    July has an average maximum temperature of 28°C and is the warmest month of the year.
  • Which is the coldest month in Evanston?
    The coldest month is January with an average maximum temperature of -0°C.
  • Which is the wettest month in Evanston?
    May tops the wettest month list with 48 mm of rainfall.
  • Which is the driest month in Evanston?
    July is the driest month with 14 mm of precipitation.

  • 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 Evanston (WY)

    Fri   Nov 22
    10°C | -6°C
    SW 14 km/h
    partly cloudy and no rain

    partly cloudy and no rain

    Sat   Nov 23
    8°C | 0°C
    SW 29 km/h
    0.9 mm
    overcast and rain

    overcast and rain

    Sun   Nov 24
    1°C | -7°C
    W 18 km/h
    5.1 mm
    partly cloudy and slight snow

    partly cloudy and slight snow