Centralia Iowa Climate Data

Monthly Average Climate Data for Centralia Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January10.0 °F25.7 °F1.28 in.
February13.7 °F30.1 °F1.47 in.
March25.2 °F43.1 °F2.12 in.
April36.7 °F56.9 °F3.86 in.
May48.5 °F68.4 °F4.69 in.
June58.6 °F78.0 °F5.93 in.
July62.2 °F81.1 °F4.83 in.
August60.1 °F79.4 °F4.2 in.
September51.6 °F72.6 °F3.94 in.
October39.5 °F59.9 °F2.91 in.
November27.5 °F44.2 °F2.3 in.
December16.6 °F31.4 °F1.72 in.
Annual37.5 °F55.9 °F39.25 in.

Climate Data for Centralia Iowa

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 1 - May 10
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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