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  4. October

Watertown, SD Climate in October

Temperature for October

In Watertown, SD during October the average high temperature is 58.8°F. The hottest day on record was October 1, 1951 when the temperature hit 91.0°F.

Watertown, SD daily average and extreme temperature range for October

Low Temperature

During October the overnight temperature drops to an average of 36.1°F, with the lowest temperature of 8.2°F being recorded on October 30, 1991. On average there are 2 days in October when the temperature stays below freezing all day. In the worst October there were 4 days when the temperature did not make it above freezing. Overnight temperatures drop below freezing between 4 and 22 times in October.

Precipitation for October

In October the average monthly rainfall in Watertown, SD is 1.47 inches with rain usually falling on between 6 and 7 days. 1949 was the driest October with only 0.00 inches of rain falling, and 1984 was the wettest October with 6.26 inches of rain. The wettest single day in October was 15 October 1984 when 2.20 inches of rain fell.

In October it usually snows on between 1 and 2 days. In October there have been some years when thunderstorms have occurred, although there are other years when there hasn't been a thunderstorm in October.

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