Northfield Minnesota Climate Data

Monthly Average Climate Data for Northfield Minnesota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January6.0 °F23.3 °F0.88 in.
February9.4 °F28.0 °F0.95 in.
March21.8 °F40.4 °F1.76 in.
April34.5 °F55.7 °F2.87 in.
May47.1 °F68.2 °F4.47 in.
June57.8 °F77.9 °F5.15 in.
July61.6 °F81.7 °F4.14 in.
August59.0 °F79.8 °F4.66 in.
September50.6 °F72.8 °F3.39 in.
October37.7 °F58.8 °F2.48 in.
November25.4 °F42.3 °F1.64 in.
December13.0 °F28.8 °F1.2 in.
Annual35.3 °F54.8 °F33.59 in.

Climate Data for Northfield Minnesota

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
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