Northfield Minnesota Climate Data

Monthly Average Climate Data for Northfield Minnesota

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-14.4 °C-4.8 °C22.35 mm
February-12.6 °C-2.2 °C24.13 mm
March-5.7 °C4.7 °C44.7 mm
April1.4 °C13.2 °C72.9 mm
May8.4 °C20.1 °C113.54 mm
June14.3 °C25.5 °C130.81 mm
July16.4 °C27.6 °C105.16 mm
August15 °C26.6 °C118.36 mm
September10.3 °C22.7 °C86.11 mm
October3.2 °C14.9 °C62.99 mm
November-3.7 °C5.7 °C41.66 mm
December-10.6 °C-1.8 °C30.48 mm
Annual1.8 °C12.7 °C853.19 mm

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 : -31.7°C to -28.9°C
Plant Hardiness Zone - 2012Zone 4b : -31.7°C to -28.9°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year