Dearborn Missouri Climate Data

Monthly Average Climate Data for Dearborn Missouri

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January17.7 °F37.3 °F1.12 in.
February21.7 °F42.6 °F1.53 in.
March31.7 °F54.5 °F2.3 in.
April42.1 °F65.2 °F3.85 in.
May53.5 °F74.7 °F5.34 in.
June63.2 °F83.9 °F5.12 in.
July67.3 °F88.1 °F5.09 in.
August65.1 °F86.8 °F4.29 in.
September56.1 °F79.2 °F3.89 in.
October43.7 °F67.5 °F3.27 in.
November32.3 °F53.5 °F2.05 in.
December22.4 °F41.4 °F1.67 in.
Annual43.1 °F64.6 °F39.52 in.

Climate Data for Dearborn Missouri

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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