Rowley Iowa Climate Data

Monthly Average Climate Data for Rowley Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January9.2 °F26.4 °F1.13 in.
February13.1 °F30.8 °F1.23 in.
March24.7 °F44.0 °F2.03 in.
April35.9 °F58.6 °F3.74 in.
May48.0 °F70.2 °F4.67 in.
June58.7 °F79.6 °F5.89 in.
July61.7 °F82.7 °F4.51 in.
August59.2 °F80.9 °F4.33 in.
September50.5 °F74.8 °F3.69 in.
October38.4 °F61.5 °F2.87 in.
November26.5 °F45.4 °F2.11 in.
December15.8 °F32.1 °F1.56 in.
Annual36.8 °F57.3 °F37.76 in.

Climate Data for Rowley 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 5a : -20°F to -15°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