Rochester Iowa Climate Data

Monthly Average Climate Data for Rochester Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January13.0 °F29.6 °F1.34 in.
February16.7 °F34.1 °F1.58 in.
March27.7 °F47.2 °F2.35 in.
April38.8 °F61.2 °F3.71 in.
May50.8 °F72.1 °F4.73 in.
June60.8 °F81.4 °F5.12 in.
July64.1 °F84.4 °F4.27 in.
August61.6 °F82.7 °F4.19 in.
September53.2 °F76.9 °F3.59 in.
October41.3 °F63.8 °F2.96 in.
November29.5 °F48.4 °F2.22 in.
December19.1 °F35.1 °F1.77 in.
Annual39.7 °F59.7 °F37.83 in.

Climate Data for Rochester Iowa

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 5b : -15°F to -10°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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