Farmington Iowa Climate Data

Monthly Average Climate Data for Farmington Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.9 °F33.5 °F1.5 in.
February20.4 °F38.1 °F1.8 in.
March30.8 °F50.8 °F2.4 in.
April41.7 °F64.2 °F3.75 in.
May53.2 °F74.4 °F5.29 in.
June62.9 °F83.6 °F4.94 in.
July66.8 °F87.4 °F4.21 in.
August64.6 °F85.9 °F3.8 in.
September56.1 °F78.6 °F3.73 in.
October44.5 °F65.4 °F3.06 in.
November32.8 °F50.9 °F2.35 in.
December22.7 °F38.5 °F1.81 in.
Annual42.8 °F62.6 °F38.64 in.

Climate Data for Farmington Iowa

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation