Evanston (WY) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Evanston.
Climate overview of Evanston
The climate in Evanston, Wyoming, United States of America, is marked by large temperature swings across the seasons, ranging from 28°C (82°F) in July to 0°C (32°F) in January.
The city tends toward dry conditions, with around 301 mm (12 in) of rain/snowfall per year. It does, however, have a distinct dry season from June to April.
Evanston Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Evanston — and find the best time to visit.
Monthly Temperature in Evanston
In Evanston, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a comfortable 28°C (82°F) in July to a very cold 0°C (32°F) in the coolest month, January.
Nights vary from 10°C (50°F) in July to around -12°C (10°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Evanston
Evanston typically sees modest rain/snowfall throughout the year, with an average annual precipitation of 301 mm (12 in). The climate in Evanston shows significant variation throughout the year. Expect moderate rainfall in May, the wettest month, with an average of 48 mm (1.9 in) of precipitation over 9 rainy days.
In contrast, the driest month July offers drier and sunnier days, with around 14 mm (0.6 in) of rainfall over 5 rainy days. For more details, please visit our Evanston Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Evanston
Frequently asked questions about the climate in Evanston
What is the best time to visit Evanston?
June, July, August and September typically offer the most optimal weather in Evanston. In contrast, January, February and December tend to have less optimal conditions. Evanston has a distinct dry season from June to April.
What temperatures can I expect in Evanston?
Daytime highs range from 0°C (32°F) in January to 28°C (82°F) in July. Nighttime lows range from -12°C (10°F) to 10°C (50°F). Temperatures vary considerably through the year.
How much rain does Evanston get?
Annual rainfall is around 301 mm (12 in). May is the wettest month with 48 mm (1.9 in), while July is the driest with 14 mm (0.6 in).
Evanston 3-Day Forecast
Evanston (WY) 3-Day Forecast
Evanston on the map
Evanston is highlighted — select any city to see its climate.
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