Weather Forecast and Radar for St. Marys, Pennsylvania

Weather in St. Marys, PA

St. Marys, Pennsylvania, which is located in the northwestern region of the United States, experiences four distinct seasons throughout the year.

During the winter months, temperatures range from an average low of 15°F to an average high of 34°F. Snowfall is common, with an average of 35 inches of snow per year.

The spring months are usually mild, with temperatures ranging from an average low of 35°F to an average high of 61°F. Rainfall is common during this season, with an average of 42 inches of precipitation per year.

In the summer, temperatures are typically warm and humid, ranging from an average low of 61°F to an average high of 83°F. Rainfall is also common during this season, with an average of 45 inches of precipitation per year.

Finally, during the fall months, temperatures range from an average low of 39°F to an average high of 64°F. Rainfall is common, with an average of 40 inches of precipitation per year.

Fast Facts About St. Marys, PA

As of 2020, the city population is 12333.

Major Cities Nearby St. Marys, PA

This map shows the current & 7-day weather forecast, weather alerts, and weather radar for St. Marys, Pennsylvania.