Mandan North Dakota Climate Data

Monthly Average Climate Data for Mandan North Dakota

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-16.4 °C-4.8 °C11.18 mm
February-13.6 °C-2.1 °C11.43 mm
March-7.6 °C4.9 °C16.26 mm
April-1.1 °C13.1 °C29.21 mm
May5.7 °C19.9 °C66.04 mm
June11.6 °C25.1 °C84.07 mm
July14.4 °C28.8 °C81.28 mm
August13.1 °C28.4 °C55.63 mm
September7.8 °C23.1 °C42.42 mm
October0.5 °C14.2 °C35.81 mm
November-6.8 °C5 °C17.78 mm
December-12.8 °C-2 °C14.22 mm
Annual-0.4 °C12.8 °C465.33 mm

Climate Data for Mandan North Dakota

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 4a : -34.4°C to -31.7°C
Plant Hardiness Zone - 2012Zone 4a : -34.4°C to -31.7°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year