Yarmouth Iowa Climate Data

Monthly Average Climate Data for Yarmouth Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.2 °F31.7 °F1.49 in.
February19.1 °F36.8 °F1.77 in.
March28.9 °F49.3 °F2.46 in.
April39.9 °F62.3 °F3.72 in.
May52.1 °F72.8 °F5.08 in.
June61.8 °F81.9 °F4.87 in.
July65.0 °F85.1 °F4.04 in.
August62.8 °F83.7 °F3.92 in.
September54.0 °F77.7 °F3.62 in.
October42.4 °F64.8 °F2.88 in.
November30.9 °F49.3 °F2.3 in.
December21.1 °F37.1 °F1.83 in.
Annual41.1 °F61 °F37.98 in.

Climate Data for Yarmouth Iowa

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 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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