Saint Peters is a city of approximately 52,600 people in Missouri, United States. Located in the Central Time Zone at 38.8°N latitude.
Recent weather here gives a sense of typical conditions: in 2025, Saint Peters recorded a mean annual temperature of 57°F, ranging from -2°F lows in January to 97°F highs in August, with about 39 inches of precipitation across the year.
View historical weather for Saint Peters · More cities in Missouri