Saint Louis, in Michigan, United States, is home to roughly 7,500 people in the Eastern Time Zone at 43.4°N latitude.
Recent weather here gives a sense of typical conditions: in 2025, Saint Louis recorded a mean annual temperature of 48°F, ranging from -6°F lows in January to 95°F highs in July, with about 25 inches of precipitation across the year.
View historical weather for Saint Louis · More cities in Michigan