South Amana Iowa Climate Data

Monthly Average Climate Data for South Amana Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.2 °F29.0 °F1.14 in.
February15.9 °F33.8 °F1.35 in.
March27.0 °F46.9 °F2.16 in.
April38.0 °F60.8 °F3.67 in.
May50.4 °F71.9 °F4.76 in.
June60.7 °F81.2 °F5.15 in.
July64.0 °F84.5 °F4.33 in.
August61.4 °F82.7 °F4.34 in.
September52.5 °F76.6 °F3.58 in.
October40.5 °F63.5 °F2.86 in.
November28.6 °F47.8 °F2.13 in.
December18.3 °F34.5 °F1.62 in.
Annual39.1 °F59.4 °F37.09 in.

Climate Data for South Amana Iowa

Average First Frost DateOct. 1 - Oct. 10
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 ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation