North Washington Iowa Climate Data

Monthly Average Climate Data for North Washington Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January7.7 °F24.6 °F1.02 in.
February11.6 °F28.8 °F1.14 in.
March23.5 °F42.0 °F1.99 in.
April35.2 °F57.0 °F3.9 in.
May47.4 °F69.0 °F5.0 in.
June58.0 °F78.6 °F6.17 in.
July61.3 °F81.6 °F4.75 in.
August58.7 °F79.6 °F4.3 in.
September50.3 °F73.6 °F3.76 in.
October37.9 °F60.2 °F2.71 in.
November25.8 °F43.7 °F1.77 in.
December14.6 °F30.2 °F1.52 in.
Annual36 °F55.7 °F38.03 in.

Climate Data for North Washington Iowa

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 1 - May 10
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
2024 plantmaps.com