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Chesterfield, Missouri, United States has a humid continental climate. Summers are generally hot and humid, with temperatures ranging from an average high of 89°F (32°C) in July to an average low of 67°F (19°C) in August. Winters are cold and snowy, with temperatures ranging from an average high of 41°F (5°C) in December to an average low of 21°F (-6°C) in January. Spring and fall are pleasant, with temperatures ranging from an average high of 77°F (25°C) in May to an average low of 45°F (7°C) in March. Chesterfield receives an average annual precipitation of 37 inches (940 mm), with most of the rain coming between April and August.
As of 2020, the city population is 47603.
This map shows the current & 7-day weather forecast, weather alerts, and weather radar for Chesterfield, Missouri.