Wheaton Missouri Climate Data

Monthly Average Climate Data for Wheaton Missouri

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January23.6 °F43.8 °F2.66 in.
February27.0 °F48.1 °F2.24 in.
March35.4 °F57.5 °F3.8 in.
April44.3 °F66.8 °F4.69 in.
May54.0 °F74.6 °F5.87 in.
June63.0 °F83.3 °F4.7 in.
July67.0 °F88.1 °F3.81 in.
August65.6 °F88.0 °F3.31 in.
September57.7 °F80.5 °F4.74 in.
October46.2 °F69.5 °F3.89 in.
November35.7 °F57.3 °F3.72 in.
December27.2 °F46.9 °F2.97 in.
Annual45.6 °F67 °F46.4 in.

Climate Data for Wheaton 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 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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