Chesterfield Missouri Climate Data

Monthly Average Climate Data for Chesterfield Missouri

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January22.2 °F39.6 °F2.6 in.
February25.8 °F45.3 °F2.4 in.
March34.6 °F55.4 °F3.54 in.
April45.4 °F67.4 °F4.67 in.
May56.2 °F76.4 °F5.04 in.
June65.2 °F84.8 °F4.52 in.
July69.0 °F88.5 °F3.89 in.
August66.9 °F87.3 °F3.56 in.
September58.5 °F80.7 °F3.17 in.
October46.5 °F68.9 °F3.45 in.
November35.5 °F55.4 °F3.56 in.
December26.7 °F44.3 °F2.74 in.
Annual46 °F66.2 °F43.14 in.

Climate Data for Chesterfield Missouri

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation