Forest Lake Minnesota Climate Data

Monthly Average Climate Data for Forest Lake Minnesota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January5.1 °F23.4 °F0.83 in.
February8.4 °F28.8 °F0.82 in.
March20.5 °F41.4 °F1.5 in.
April33.5 °F56.3 °F2.83 in.
May46.2 °F69.0 °F4.16 in.
June56.4 °F78.3 °F4.62 in.
July61.0 °F82.8 °F4.43 in.
August58.5 °F80.7 °F4.05 in.
September50.3 °F73.0 °F3.14 in.
October37.8 °F58.7 °F2.76 in.
November25.1 °F42.2 °F1.6 in.
December12.4 °F28.6 °F1.13 in.
Annual34.6 °F55.3 °F31.87 in.

Climate Data for Forest Lake Minnesota

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 4b : -25°F to -20°F
Plant Hardiness Zone - 2012Zone 4b : -25°F to -20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year