City in Missouri, United States
Frontenac
Weather & Forecast
Frontenac is a city in St. Louis County, Missouri, United States. The population was 3,612 at the 2020 census.Wikipedia
Temperatures vary across four distinct seasons. Rain falls fairly evenly through the year. Spring and fall feel like real transition seasons. Annual snowfall is between 5 and 15 inches. Humidity stays fairly steady through the year.
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Where It Is
State Context
MissouriU.S. stateMissouri is a landlocked state in the Midwestern region of the United States. Ranking 21st in land area, it borders Iowa to the north, Illinois, Kentucky and Tennessee to the east, Arkansas to the south and Oklahoma, Kansas, and Nebraska to the west. With over six million residents, it is the 19th-most populous state of the country. The largest urban areas are St.Wikipedia
About the Region
Great PlainsThis Great Plains grouping includes the Dakotas, Nebraska, Kansas, Iowa, and Missouri. It brings together plains communities, agricultural areas, and metropolitan centers such as Omaha, Kansas City, and Des Moines.
North-south and east-west differences matter for temperature and rainfall. Distances and available services also vary between rural communities and metropolitan neighborhoods. The regional label alone does not establish affordability, storm exposure, or dependence on a car; use local evidence for those decisions.
Nearby Parks & Nature
Closest protected landscapes, reserves, and big park systems surfaced from the same nearby feeds used in compare.
Federal Park Sites
Local Nature & Reserves
City Profile
Housing Costs & Income
Livability
Not a citywide average. Walkability varies by address.
38.63550, -90.41550 · Updated 2026-09-13
Walk Score · view mapped locationClimate Through the Year
Annual average of days with more than five hours of sunshine, not necessarily clear skies.
Comfort combines temperature band fit, humidity fit, seasonal swing, and penalties for long stretches of extreme heat or cold. Higher scores mean the yearly pattern stays closer to an easier day-to-day climate band.
Natural Hazard Risk
Local Next Steps
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Common Comparisons
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