Winona Missouri Climate Data

Monthly Average Climate Data for Winona Missouri

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January22.5 °F44.2 °F2.88 in.
February25.6 °F49.1 °F3.13 in.
March33.5 °F58.9 °F4.64 in.
April43.3 °F69.5 °F5.67 in.
May53.2 °F76.8 °F5.68 in.
June61.7 °F84.3 °F3.99 in.
July65.8 °F88.7 °F4.2 in.
August64.1 °F88.0 °F3.65 in.
September55.6 °F81.0 °F3.72 in.
October43.3 °F70.4 °F3.74 in.
November34.0 °F57.7 °F4.81 in.
December25.8 °F46.9 °F3.29 in.
Annual44 °F68 °F49.4 in.

Climate Data for Winona 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 6b : -5°F to 0°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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