Iron Mountain Lake Missouri Climate Data

Monthly Average Climate Data for Iron Mountain Lake Missouri

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January23.2 °F42.4 °F2.62 in.
February26.4 °F47.8 °F2.7 in.
March34.3 °F57.1 °F3.9 in.
April44.5 °F68.3 °F5.77 in.
May54.2 °F75.3 °F5.61 in.
June62.5 °F83.1 °F4.13 in.
July66.6 °F87.2 °F3.78 in.
August64.8 °F86.5 °F3.79 in.
September57.3 °F80.1 °F3.61 in.
October46.3 °F69.7 °F3.36 in.
November35.3 °F56.3 °F4.59 in.
December27.0 °F45.5 °F3.09 in.
Annual45.2 °F66.6 °F46.95 in.

Climate Data for Iron Mountain Lake Missouri

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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