August weather in St. Francis, SD
The average temperature in St. Francis in August is 70.0°F (55.9°F–84.0°F). Average precipitation: 2.31 inches.
August is a summer month in St. Francis, and is warmer than the annual average of 46.1°F. Daily temperatures swing about 28.1°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 13h 46m. For travel, August is a comfortable month to visit.
Avg High
84.0°F
Avg Low
55.9°F
Precipitation
2.31 in
Daylight
13h 46m