Tonka Bay Minnesota Climate Data

Monthly Average Climate Data for Tonka Bay Minnesota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January6.0 °F22.8 °F0.87 in.
February9.4 °F27.5 °F0.89 in.
March21.9 °F40.1 °F1.54 in.
April35.4 °F55.3 °F2.79 in.
May48.2 °F68.3 °F4.22 in.
June58.7 °F77.9 °F4.65 in.
July63.1 °F82.5 °F4.09 in.
August60.8 °F80.3 °F4.34 in.
September52.5 °F72.8 °F3.26 in.
October39.2 °F58.2 °F2.43 in.
November26.3 °F41.9 °F1.48 in.
December13.0 °F27.9 °F1.29 in.
Annual36.2 °F54.6 °F31.85 in.

Climate Data for Tonka Bay Minnesota

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 4b : -25°F to -20°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year