Olathe Kansas Climate Data

Monthly Average Climate Data for Olathe Kansas

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-6.5 °C4 °C32.77 mm
February-4.4 °C6.6 °C41.91 mm
March0.9 °C12.8 °C63.5 mm
April6.7 °C18.6 °C101.85 mm
May12.8 °C23.6 °C140.72 mm
June18.2 °C28.8 °C138.68 mm
July20.6 °C31.4 °C112.78 mm
August19.4 °C30.7 °C110.74 mm
September14.7 °C26.5 °C107.7 mm
October7.8 °C19.7 °C85.85 mm
November1.5 °C12.6 °C58.42 mm
December-4.1 °C5.9 °C43.94 mm
Annual7.3 °C18.4 °C1038.86 mm

Climate Data for Olathe Kansas

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 : -20.6°C to -17.8°C
Plant Hardiness Zone - 2012Zone 6a : -23.3°C to -20.6°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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