Boy River Minnesota Climate Data

Monthly Average Climate Data for Boy River Minnesota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January-2.3 °F17.8 °F0.73 in.
February0.9 °F24.1 °F0.69 in.
March14.5 °F37.1 °F1.17 in.
April28.6 °F51.3 °F1.96 in.
May41.5 °F65.1 °F3.09 in.
June52.1 °F74.2 °F4.21 in.
July56.9 °F78.6 °F4.24 in.
August54.4 °F76.9 °F3.32 in.
September46.1 °F68.2 °F3.1 in.
October34.1 °F52.9 °F2.59 in.
November21.0 °F36.3 °F1.18 in.
December6.7 °F23.1 °F0.91 in.
Annual29.5 °F50.5 °F27.19 in.

Climate Data for Boy River Minnesota

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 3b : -35°F to -30°F
Plant Hardiness Zone - 2012Zone 3b : -35°F to -30°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year