Weather Forecast and Radar for Merrillville, Indiana

Weather in Merrillville, IN

Merrillville, Indiana, United States has four distinct seasons, each with its own unique weather. During the winter months, November to March, temperatures can drop to an average low of 22 degrees Fahrenheit and reach an average high of 37 degrees Fahrenheit. Snowfall averages around 18 inches per season, and there can be significant snowstorms. During the spring months, April to June, temperatures range from an average low of 42 degrees Fahrenheit to an average high of 71 degrees Fahrenheit. Rainfall averages around 3.7 inches per month during this season. Summer months, July to September, are hot and humid with temperatures ranging from an average low of 60 degrees Fahrenheit to an average high of 83 degrees Fahrenheit. Rainfall averages around 4.3 inches per month. Finally, during the fall months, October to November, temperatures range from an average low of 42 degrees Fahrenheit to an average high of 71 degrees Fahrenheit. Rainfall averages around 3.6 inches per month.

Fast Facts About Merrillville, IN

As of 2020, the city population is 34871.

Major Cities Nearby Merrillville, IN

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