Dallas South Dakota Climate Data

Monthly Average Climate Data for Dallas South Dakota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January11.7 °F33.0 °F0.49 in.
February14.9 °F37.3 °F0.72 in.
March23.7 °F47.7 °F1.21 in.
April33.9 °F57.9 °F2.88 in.
May45.3 °F69.2 °F4.04 in.
June56.2 °F79.8 °F4.34 in.
July61.8 °F87.1 °F2.92 in.
August59.6 °F85.0 °F3.15 in.
September50.3 °F76.9 °F2.5 in.
October36.6 °F62.2 °F2.23 in.
November24.3 °F47.2 °F0.74 in.
December15.1 °F35.4 °F0.65 in.
Annual36.1 °F59.9 °F25.87 in.

Climate Data for Dallas South Dakota

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
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 ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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