Center Junction Iowa Climate Data

Monthly Average Climate Data for Center Junction Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January10.2 °F27.3 °F1.3 in.
February14.0 °F31.7 °F1.52 in.
March25.4 °F44.9 °F2.28 in.
April36.4 °F59.1 °F3.82 in.
May48.1 °F70.3 °F4.54 in.
June58.4 °F79.6 °F5.51 in.
July61.8 °F82.6 °F4.61 in.
August59.3 °F81.0 °F4.37 in.
September50.5 °F74.6 °F3.67 in.
October38.9 °F61.7 °F3.08 in.
November27.2 °F46.1 °F2.25 in.
December16.8 °F33.0 °F1.73 in.
Annual37.3 °F57.7 °F38.68 in.

Climate Data for Center Junction 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 ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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