Iatan Missouri Climate Data

Monthly Average Climate Data for Iatan Missouri

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January17.4 °F37.1 °F1.03 in.
February21.5 °F42.5 °F1.39 in.
March31.8 °F54.6 °F2.25 in.
April42.2 °F65.1 °F3.78 in.
May53.7 °F74.6 °F5.23 in.
June63.7 °F84.0 °F5.12 in.
July67.3 °F88.1 °F4.72 in.
August65.1 °F86.9 °F4.24 in.
September56.3 °F79.7 °F3.86 in.
October43.4 °F67.5 °F3.3 in.
November31.9 °F53.7 °F2.01 in.
December22.1 °F41.5 °F1.54 in.
Annual43 °F64.6 °F38.47 in.

Climate Data for Iatan Missouri

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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