Humboldt South Dakota Climate Data

Monthly Average Climate Data for Humboldt South Dakota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January5.8 °F23.9 °F0.57 in.
February10.0 °F28.8 °F0.77 in.
March21.1 °F41.1 °F1.32 in.
April33.3 °F55.5 °F2.93 in.
May45.8 °F67.9 °F3.74 in.
June56.7 °F77.9 °F4.17 in.
July60.9 °F82.9 °F3.3 in.
August58.3 °F80.0 °F3.34 in.
September49.4 °F73.2 °F2.94 in.
October36.0 °F59.3 °F2.24 in.
November22.4 °F42.4 °F1.04 in.
December11.3 °F28.8 °F0.79 in.
Annual34.3 °F55.1 °F27.15 in.

Climate Data for Humboldt 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 4b : -25°F to -20°F
Plant Hardiness Zone - 2012Zone 4b : -25°F to -20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation