Fosston Minnesota Climate Data

Monthly Average Climate Data for Fosston Minnesota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January-3.4 °F15.8 °F0.76 in.
February-0.9 °F20.5 °F0.7 in.
March13.7 °F34.1 °F0.95 in.
April28.6 °F50.5 °F1.47 in.
May41.7 °F64.8 °F3.12 in.
June52.8 °F73.9 °F4.67 in.
July56.4 °F78.5 °F3.8 in.
August53.7 °F77.4 °F3.14 in.
September45.0 °F68.6 °F3.07 in.
October33.3 °F52.8 °F2.33 in.
November18.9 °F35.3 °F0.93 in.
December4.9 °F21.7 °F0.95 in.
Annual28.7 °F49.5 °F25.89 in.

Climate Data for Fosston Minnesota

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 1 - Jun. 10
Average Days With FrostOver 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