Hazleton Iowa Climate Data

Monthly Average Climate Data for Hazleton Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January8.5 °F25.9 °F1.15 in.
February12.5 °F30.1 °F1.19 in.
March24.3 °F43.4 °F1.9 in.
April35.7 °F58.0 °F3.66 in.
May47.8 °F69.8 °F4.59 in.
June58.5 °F79.5 °F5.65 in.
July61.6 °F82.3 °F4.93 in.
August59.0 °F80.4 °F4.22 in.
September50.5 °F74.4 °F3.73 in.
October38.2 °F61.2 °F2.74 in.
November26.1 °F44.9 °F1.85 in.
December15.2 °F31.6 °F1.57 in.
Annual36.5 °F56.8 °F37.18 in.

Climate Data for Hazleton 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 ConditionsModerate Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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