Temperature for June
In Watertown, SD during June the average high temperature is 78.4°F. The hottest day on record was June 25, 1988 when the temperature hit 105.1°F.
Precipitation for June
In June the average monthly rainfall in Watertown, SD is 2.66 inches with rain usually falling on between 9 and 10 days. 1949 was the driest June with only 0.00 inches of rain falling, and 1977 was the wettest June with 8.59 inches of rain. The wettest single day in June was 16 June 1977 when 3.50 inches of rain fell.
In June it usually snows on between 0 and 1 days. There are thunderstorms on between 5 and 6 days in June.