Marthasville Missouri Climate Data

Monthly Average Climate Data for Marthasville Missouri

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January21.5 °F39.8 °F2.52 in.
February25.0 °F45.4 °F2.4 in.
March33.6 °F55.7 °F3.56 in.
April44.0 °F67.4 °F4.69 in.
May54.7 °F75.9 °F5.31 in.
June63.6 °F84.1 °F4.51 in.
July67.7 °F88.0 °F4.13 in.
August65.3 °F86.9 °F3.81 in.
September57.0 °F80.5 °F3.68 in.
October44.8 °F69.0 °F3.36 in.
November34.4 °F55.6 °F3.46 in.
December25.8 °F44.2 °F2.69 in.
Annual44.8 °F66 °F44.12 in.

Climate Data for Marthasville Missouri

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 11 - Apr. 20
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
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