Stanley North Dakota Climate Data

Monthly Average Climate Data for Stanley North Dakota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January-0.4 °F17.7 °F0.54 in.
February3.4 °F22.1 °F0.51 in.
March14.8 °F34.3 °F0.71 in.
April27.3 °F51.4 °F1.1 in.
May39.2 °F63.7 °F2.52 in.
June49.9 °F72.0 °F3.93 in.
July54.2 °F78.4 °F2.92 in.
August52.0 °F79.2 °F1.96 in.
September42.2 °F69.4 °F1.58 in.
October30.2 °F52.9 °F1.36 in.
November16.9 °F35.5 °F0.74 in.
December5.4 °F22.1 °F0.65 in.
Annual27.9 °F49.9 °F18.52 in.

Climate Data for Stanley North Dakota

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 4a : -30°F to -25°F
Plant Hardiness Zone - 2012Zone 3b : -35°F to -30°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year