Osage Iowa Climate Data

Monthly Average Climate Data for Osage Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January6.9 °F23.6 °F1.04 in.
February10.9 °F28.1 °F1.21 in.
March23.0 °F40.7 °F1.91 in.
April35.0 °F56.2 °F4.09 in.
May47.3 °F68.6 °F5.17 in.
June58.0 °F78.3 °F5.76 in.
July61.4 °F81.5 °F4.65 in.
August58.7 °F79.3 °F4.01 in.
September50.3 °F73.3 °F3.58 in.
October37.6 °F59.7 °F2.7 in.
November25.4 °F43.0 °F1.83 in.
December13.9 °F29.3 °F1.53 in.
Annual35.7 °F55.1 °F37.48 in.

Climate Data for Osage 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