Seattle, WA weather in December 1964

Temperature for December 1964

In December 1964 the average high temperature in Seattle, WA was 42.2°F, and this was 4.5°F cooler than the average of 46.6°F. The hottest day in December 1964 was 1 December when the temperature reached 54.3°F. Overnight the average temperature in December is 35.6°F and in 1964 the average overnight temperature was 4.2°F cooler at 31.3°F.

Precipitation for December 1964

In December the average monthly rainfall in Seattle, WA is 5.67 inches with rain usually falling on 19 days. In December 1964 there was a total of 5.54 inches of rain, that fell on 20 days.