Glen Ullin North Dakota Climate Data

Monthly Average Climate Data for Glen Ullin North Dakota

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-15.9 °C-4.7 °C8.38 mm
February-14 °C-2.2 °C11.43 mm
March-8.1 °C4.7 °C16 mm
April-2.1 °C12.4 °C34.04 mm
May4.6 °C19 °C62.48 mm
June10.3 °C23.9 °C91.44 mm
July13.4 °C28.4 °C73.15 mm
August11.7 °C28.2 °C50.8 mm
September6.5 °C22.7 °C45.72 mm
October-0.5 °C13.7 °C36.07 mm
November-7.7 °C4.7 °C14.48 mm
December-13.4 °C-2.2 °C12.19 mm
Annual-1.3 °C12.4 °C456.18 mm

Climate Data for Glen Ullin North Dakota

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 1 - Jun. 10
Average Days With FrostOver 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 ClassificationDwb - Humid Continental Mild Summer With Dry Winters
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