Watertown, SD weather in May 2009

Temperature for May 2009

In May 2009 the average high temperature in Watertown, SD was 69.7°F, and this was 0.6°F warmer than the average of 69.1°F. The hottest day in May 2009 was 19 May when the temperature reached 93.9°F. Overnight the average temperature in May is 44.5°F and in 2009 the average overnight temperature was 0.7°F cooler at 43.7°F.

Precipitation for May 2009

In May the average monthly rainfall in Watertown, SD is 2.02 inches with rain usually falling on 10 days. In May 2009 there was a total of 1.36 inches of rain, that fell on 0 days.