Temperature for January 1989
In January 1989 the average high temperature in Watertown, SD was 33.3°F, and this was 10.4°F warmer than the average of 22.9°F. The hottest day in January 1989 was 27 January when the temperature reached 54.0°F. Overnight the average temperature in January is 3.8°F and in 1989 the average overnight temperature was 4.9°F warmer at 8.8°F.