Ryan Iowa Climate Data

Monthly Average Climate Data for Ryan Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January8.7 °F26.2 °F1.22 in.
February12.6 °F30.6 °F1.29 in.
March24.1 °F43.8 °F2.1 in.
April35.3 °F57.8 °F3.9 in.
May47.1 °F69.4 °F4.6 in.
June57.8 °F79.0 °F6.0 in.
July61.0 °F82.2 °F4.6 in.
August58.4 °F80.3 °F4.66 in.
September49.7 °F73.9 °F3.92 in.
October37.8 °F60.7 °F3.04 in.
November26.1 °F45.1 °F2.31 in.
December15.5 °F32.0 °F1.64 in.
Annual36.2 °F56.8 °F39.28 in.

Climate Data for Ryan Iowa

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
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
2024 plantmaps.com