Seattle, WA weather in December 1963

Temperature for December 1963

In December 1963 the average high temperature in Seattle, WA was 46.2°F, and this was 0.5°F cooler than the average of 46.6°F. The hottest day in December 1963 was 31 December when the temperature reached 56.3°F. Overnight the average temperature in December is 35.6°F and in 1963 the average overnight temperature was 0.5°F warmer at 36.0°F.

Precipitation for December 1963

In December the average monthly rainfall in Seattle, WA is 5.67 inches with rain usually falling on 19 days. In December 1963 there was a total of 5.87 inches of rain, that fell on 21 days.