Temperature for May 1963
In May 1963 the average high temperature in Seattle, WA was 69.5°F, and this was 3.7°F warmer than the average of 65.7°F. The hottest day in May 1963 was 21 May when the temperature reached 93.4°F. Overnight the average temperature in May is 46.1°F and in 1963 the average overnight temperature was 1.6°F warmer at 47.6°F.