Winthrop Minnesota Climate Data

Monthly Average Climate Data for Winthrop Minnesota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January4.8 °F21.8 °F0.81 in.
February8.5 °F26.7 °F0.84 in.
March21.2 °F39.0 °F1.57 in.
April34.3 °F55.0 °F2.75 in.
May47.0 °F68.2 °F4.05 in.
June58.0 °F78.3 °F5.05 in.
July61.6 °F82.2 °F3.69 in.
August59.0 °F79.7 °F3.9 in.
September50.3 °F72.8 °F3.11 in.
October37.3 °F58.2 °F2.41 in.
November24.4 °F41.4 °F1.46 in.
December11.9 °F27.4 °F1.08 in.
Annual34.9 °F54.2 °F30.72 in.

Climate Data for Winthrop 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