St. John Kansas Climate Data

Monthly Average Climate Data for St. John Kansas

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January22.1 °F43.4 °F0.75 in.
February24.8 °F47.6 °F0.98 in.
March33.9 °F57.7 °F1.91 in.
April42.9 °F66.9 °F2.36 in.
May53.8 °F76.5 °F4.49 in.
June63.8 °F87.2 °F3.85 in.
July68.2 °F91.5 °F3.55 in.
August66.4 °F89.6 °F3.57 in.
September58.5 °F82.6 °F1.8 in.
October45.4 °F70.5 °F2.22 in.
November33.3 °F56.5 °F1.11 in.
December24.3 °F44.6 °F0.95 in.
Annual44.8 °F67.9 °F27.54 in.

Climate Data for St. John Kansas

Average First Frost DateOct. 21 - Oct. 31
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 ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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