... including targeted forecasts at the time of your arrival to each point!
Boulder Hill, Illinois experiences a wide range of weather throughout the year. In the winter, temperatures range from the high 20s to the low 40s Fahrenheit. January is usually the coldest month, with temperatures averaging between 28 and 35 degrees Fahrenheit. Snowfall is common during this time of year, with an average of 10 inches of snowfall each winter.
Spring weather in Boulder Hill is mild and comfortable. Average temperatures range from the low 40s to the high 60s Fahrenheit. April is usually the rainiest month, with an average of 4 inches of rainfall.
Summers in Boulder Hill are hot and humid. Temperatures typically range from the mid-70s to the low 90s Fahrenheit. July is usually the hottest month, with average temperatures around 86 degrees.
Fall weather in Boulder Hill is mild and pleasant. Average temperatures range from the mid-50s to the mid-70s Fahrenheit. October is usually the rainiest month, with an average of 4 inches of rainfall.
As of 2020, the city population is 9081.
This map shows the current & 7-day weather forecast, weather alerts, and weather radar for Boulder Hill, Illinois.