Monticello Minnesota Climate Data

Monthly Average Climate Data for Monticello Minnesota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January4.5 °F22.1 °F0.78 in.
February7.9 °F26.9 °F0.83 in.
March20.5 °F39.6 °F1.7 in.
April33.7 °F54.9 °F2.76 in.
May46.5 °F68.0 °F4.16 in.
June57.3 °F77.6 °F4.47 in.
July61.7 °F81.9 °F3.93 in.
August58.9 °F79.6 °F4.08 in.
September50.6 °F72.0 °F3.16 in.
October37.6 °F57.2 °F2.7 in.
November25.0 °F41.1 °F1.42 in.
December11.9 °F27.3 °F1.14 in.
Annual34.7 °F54 °F31.13 in.

Climate Data for Monticello 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 ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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