Mercer Missouri Climate Data

Monthly Average Climate Data for Mercer Missouri

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January14.0 °F32.4 °F1.01 in.
February17.9 °F37.7 °F1.31 in.
March28.4 °F50.1 °F2.2 in.
April39.1 °F61.8 °F4.03 in.
May50.5 °F71.5 °F5.51 in.
June60.4 °F80.8 °F5.05 in.
July64.6 °F85.1 °F4.62 in.
August62.1 °F83.6 °F4.49 in.
September53.3 °F76.5 °F3.77 in.
October41.2 °F64.3 °F3.1 in.
November29.4 °F49.7 °F1.92 in.
December19.3 °F37.4 °F1.51 in.
Annual40 °F60.9 °F38.52 in.

Climate Data for Mercer Missouri

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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