Weather Forecast and Radar for Bethalto, Illinois

Weather in Bethalto, IL

Bethalto, Illinois, United States experiences four distinct seasons. The spring months of March, April, and May are typically mild and pleasant, with temperatures ranging from an average low of 34 degrees Fahrenheit (1 degree Celsius) to an average high of 64 degrees Fahrenheit (18 degrees Celsius). Rainfall is common, with an average of 13 days of precipitation in May.

Summer in Bethalto is typically warm and humid. Temperatures range from an average low of 65 degrees Fahrenheit (18 degrees Celsius) to an average high of 85 degrees Fahrenheit (29 degrees Celsius). Rainfall is also common in the summer months, with an average of 12 days of precipitation in July.

Fall in Bethalto is typically cool and dry, with temperatures ranging from an average low of 48 degrees Fahrenheit (9 degrees Celsius) to an average high of 69 degrees Fahrenheit (21 degrees Celsius). Rainfall is less common in the autumn months, with an average of 8 days of precipitation in October.

Winter in Bethalto is typically cold and dry, with temperatures ranging from an average low of 23 degrees Fahrenheit (-5 degrees Celsius) to an average high of 40 degrees Fahrenheit (4 degrees Celsius). Snowfall is common in the winter months, with an average of 11 days of snow in December.

Fast Facts About Bethalto, IL

As of 2020, the city population is 9258.

Major Cities Nearby Bethalto, IL

This map shows the current & 7-day weather forecast, weather alerts, and weather radar for Bethalto, Illinois.