South Heart North Dakota Climate Data

Monthly Average Climate Data for South Heart North Dakota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January4.9 °F25.4 °F0.35 in.
February8.4 °F29.8 °F0.43 in.
March18.2 °F41.1 °F0.71 in.
April28.8 °F54.1 °F1.15 in.
May40.3 °F65.5 °F2.53 in.
June50.4 °F74.9 °F3.14 in.
July55.7 °F83.0 °F2.55 in.
August53.6 °F83.1 °F1.6 in.
September44.0 °F72.8 °F1.82 in.
October31.3 °F56.5 °F1.35 in.
November19.0 °F40.7 °F0.53 in.
December9.1 °F29.4 °F0.41 in.
Annual30.3 °F54.7 °F16.57 in.

Climate Data for South Heart North Dakota

Average First Frost DateSep.11 - Sep. 20
Average Last Frost DateJun. 1 - Jun. 10
Average Days With FrostOver 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