Weather Forecast and Radar for Bay St. Louis, Mississippi

Weather in Bay St. Louis, MS

Bay St. Louis, Mississippi has a humid subtropical climate and experiences four distinct seasons. Summers are generally hot and humid, with temperatures averaging in the high 70s to mid 80s (24 to 28 degrees Celsius). In July, the hottest month, temperatures can reach into the mid to upper 90s (34 to 37 degrees Celsius). Winters are mild, with temperatures ranging from the mid 40s to low 60s (7 to 16 degrees Celsius). January is usually the coldest month, with temperatures often dipping into the low 40s (4 to 7 degrees Celsius). Spring and fall are mild and comfortable, with temperatures ranging from the mid 50s to low 70s (12 to 22 degrees Celsius). Rainfall is abundant throughout the year, with the wettest months being April, May and October.

Fast Facts About Bay St. Louis, MS

As of 2020, the city population is 13539.

Major Cities Nearby Bay St. Louis, MS

This map shows the current & 7-day weather forecast, weather alerts, and weather radar for Bay St. Louis, Mississippi.