Winston Missouri Climate Data

Monthly Average Climate Data for Winston Missouri

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.6 °F35.1 °F1.08 in.
February20.1 °F40.4 °F1.54 in.
March30.8 °F52.5 °F2.47 in.
April40.0 °F63.6 °F3.78 in.
May51.9 °F73.2 °F5.7 in.
June61.8 °F82.3 °F5.27 in.
July66.1 °F87.0 °F4.47 in.
August64.1 °F85.4 °F4.36 in.
September55.1 °F78.1 °F4.14 in.
October43.4 °F66.0 °F3.22 in.
November31.8 °F52.3 °F2.04 in.
December21.8 °F39.6 °F1.63 in.
Annual42 °F63 °F39.7 in.

Climate Data for Winston 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 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation