Swaledale Iowa Climate Data

Monthly Average Climate Data for Swaledale Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January7.6 °F24.6 °F0.92 in.
February11.7 °F29.2 °F1.07 in.
March23.8 °F41.8 °F2.01 in.
April35.2 °F57.1 °F3.9 in.
May47.8 °F69.3 °F5.14 in.
June58.5 °F79.3 °F5.62 in.
July61.8 °F82.2 °F4.52 in.
August59.0 °F80.0 °F4.04 in.
September50.1 °F74.0 °F3.32 in.
October37.7 °F60.6 °F2.53 in.
November25.5 °F43.9 °F1.73 in.
December14.4 °F30.3 °F1.35 in.
Annual36.1 °F56 °F36.15 in.

Climate Data for Swaledale Iowa

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
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 ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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