Brookston Minnesota Climate Data

Monthly Average Climate Data for Brookston Minnesota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January-0.3 °F19.1 °F0.88 in.
February2.9 °F24.7 °F0.82 in.
March15.2 °F37.2 °F1.28 in.
April27.9 °F50.0 °F2.39 in.
May39.5 °F63.9 °F3.39 in.
June49.2 °F73.3 °F4.58 in.
July54.7 °F78.2 °F4.17 in.
August53.3 °F76.5 °F3.72 in.
September45.8 °F67.9 °F3.33 in.
October34.2 °F53.1 °F3.03 in.
November21.5 °F37.0 °F1.56 in.
December7.9 °F24.1 °F1.32 in.
Annual29.3 °F50.4 °F30.47 in.

Climate Data for Brookston Minnesota

Average First Frost DateSep.11 - Sep. 20
Average Last Frost DateJun. 11 - Jun. 20
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 4a : -30°F to -25°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
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