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  3. Watertown
  4. March

Watertown, SD Climate in March

Temperature for March

In Watertown, SD during March the average high temperature is 39.7°F. The hottest day on record was March 18, 2012 when the temperature hit 82.0°F.

Watertown, SD daily average and extreme temperature range for March

Low Temperature

Overnight in March the average temperature drops below freezing at 20.3°F, with the lowest temperature of -19.1°F being recorded on March 4, 1978. On average there are 10 days in March when the temperature stays below freezing all day. In the worst March there were 22 days when the temperature did not make it above freezing. Overnight temperatures drop below freezing between 2 and 31 times in March.

Precipitation for March

In March the average monthly rainfall in Watertown, SD is 0.91 inches with rain usually falling on between 4 and 5 days. 1949 was the driest March with only 0.00 inches of rain falling, and 1979 was the wettest March with 3.00 inches of rain. The wettest single day in March was 23 March 2009 when 1.54 inches of rain fell.

In March it usually snows on between 8 and 9 days. In March there have been some years when thunderstorms have occurred, although there are other years when there hasn't been a thunderstorm in March.

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