Deadwood South Dakota Climate Data

Monthly Average Climate Data for Deadwood South Dakota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January13.3 °F36.6 °F1.38 in.
February13.4 °F37.1 °F1.51 in.
March20.9 °F45.9 °F2.08 in.
April28.3 °F52.9 °F3.49 in.
May38.0 °F62.1 °F5.32 in.
June47.4 °F73.0 °F4.05 in.
July54.0 °F81.5 °F3.11 in.
August51.8 °F80.7 °F2.36 in.
September43.2 °F71.7 °F1.81 in.
October32.0 °F57.2 °F3.05 in.
November22.2 °F45.7 °F1.29 in.
December14.8 °F36.8 °F1.4 in.
Annual31.6 °F56.8 °F30.85 in.

Climate Data for Deadwood South 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 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate