Merwin Missouri Climate Data

Monthly Average Climate Data for Merwin Missouri

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January20.3 °F40.0 °F1.44 in.
February23.9 °F44.5 °F1.81 in.
March33.4 °F55.4 °F2.72 in.
April43.5 °F65.9 °F4.32 in.
May54.4 °F75.0 °F5.96 in.
June64.1 °F84.0 °F5.52 in.
July68.4 °F88.9 °F4.39 in.
August66.1 °F87.8 °F3.92 in.
September57.3 °F80.4 °F4.44 in.
October45.2 °F68.5 °F3.44 in.
November34.0 °F55.3 °F2.49 in.
December24.4 °F43.5 °F1.9 in.
Annual44.6 °F65.8 °F42.35 in.

Climate Data for Merwin 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 ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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