Oswego Kansas Climate Data

Monthly Average Climate Data for Oswego Kansas

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-4.6 °C6.4 °C42.93 mm
February-2.4 °C9.2 °C46.48 mm
March2.4 °C14.6 °C81.28 mm
April7.7 °C19.9 °C125.22 mm
May13.6 °C24.4 °C179.83 mm
June18.7 °C29.4 °C141.48 mm
July21 °C31.9 °C104.14 mm
August19.9 °C31.9 °C100.84 mm
September15.3 °C27.4 °C115.57 mm
October8.7 °C21.3 °C99.06 mm
November2.4 °C14.2 °C73.91 mm
December-2.4 °C8.2 °C59.69 mm
Annual8.4 °C19.9 °C1170.43 mm

Climate Data for Oswego 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 7a : -17.8°C to -15°C
Plant Hardiness Zone - 2012Zone 6b : -20.6°C to -17.8°C
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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