Mandan North Dakota Climate Data

Monthly Average Climate Data for Mandan North Dakota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January2.5 °F23.4 °F0.44 in.
February7.6 °F28.2 °F0.45 in.
March18.3 °F40.8 °F0.64 in.
April30.0 °F55.6 °F1.15 in.
May42.3 °F67.8 °F2.6 in.
June52.8 °F77.1 °F3.31 in.
July57.9 °F83.9 °F3.2 in.
August55.6 °F83.1 °F2.19 in.
September46.0 °F73.5 °F1.67 in.
October32.9 °F57.5 °F1.41 in.
November19.7 °F41.0 °F0.7 in.
December8.9 °F28.4 °F0.56 in.
Annual31.2 °F55 °F18.32 in.

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 : -30°F to -25°F
Plant Hardiness Zone - 2012Zone 4a : -30°F to -25°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year