Weather Forecast and Radar for Ballwin, Missouri

Weather in Ballwin, MO

Ballwin, Missouri, United States has a humid continental climate, so its weather varies throughout the year.

In the winter months, from December to February, temperatures average from low 30s to upper 20s Fahrenheit. Snowfall can range from 1-4 inches and is common during these months.

In the spring months, from March to May, temperatures range from the high 40s to mid-60s Fahrenheit. Rainfall is also common, averaging around 4-5 inches during these months.

In the summer months, from June to August, temperatures range from the upper 70s to low 90s Fahrenheit. Humidity is usually high and thunderstorms are common during this time.

In the fall months, from September to November, temperatures range from the high 50s to low 70s Fahrenheit. Rainfall is common, averaging around 3-4 inches during these months.

Overall, Ballwin, Missouri has mild winters, warm springs, hot summers, and cool falls.

Fast Facts About Ballwin, MO

As of 2020, the city population is 30177.

Major Cities Nearby Ballwin, MO

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