Monthly Historical AveragesDe Smet, SD
Average Temperature
High
20°
Feels 19
Low
8°
Feels 6
Average Precipitation
12 Days
102.5mm
0.1cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastWednesday, May 20, 2026
Day
16°Feels 15
Wind
23 km/h SE
Gust
35 km/h
Humidity
42%
P.O.P
20%
Night
8°Feels 5
Wind
22 km/h SE
Gust
33 km/h
Humidity
81%
P.O.P
20%
Historical AveragesMay 20
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity