Oshkosh Wisconsin Climate Data

Monthly Average Climate Data for Oshkosh Wisconsin

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January10.8 °F25.8 °F1.37 in.
February13.0 °F29.4 °F1.14 in.
March23.4 °F40.8 °F1.83 in.
April35.4 °F54.3 °F3.22 in.
May47.4 °F66.8 °F3.87 in.
June57.6 °F76.8 °F4.82 in.
July61.7 °F81.4 °F3.67 in.
August60.0 °F79.2 °F3.44 in.
September52.1 °F72.4 °F3.0 in.
October40.2 °F58.6 °F2.86 in.
November28.9 °F44.3 °F1.96 in.
December17.7 °F31.5 °F1.61 in.
Annual37.4 °F55.1 °F32.79 in.

Climate Data for Oshkosh Wisconsin

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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