Frontenac Minnesota Climate Data

Monthly Average Climate Data for Frontenac Minnesota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January6.3 °F24.0 °F0.92 in.
February9.8 °F28.9 °F1.06 in.
March22.2 °F41.3 °F1.76 in.
April34.7 °F56.0 °F3.1 in.
May47.1 °F68.6 °F4.53 in.
June57.5 °F78.3 °F5.25 in.
July61.5 °F82.6 °F4.2 in.
August59.1 °F80.4 °F4.63 in.
September51.1 °F73.2 °F3.91 in.
October38.3 °F59.1 °F2.62 in.
November26.0 °F42.8 °F1.7 in.
December13.9 °F29.5 °F1.3 in.
Annual35.6 °F55.4 °F34.98 in.

Climate Data for Frontenac 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