Seattle, WA weather in December 1984

Temperature for December 1984

In December 1984 the average high temperature in Seattle, WA was 42.8°F, and this was 3.8°F cooler than the average of 46.6°F. The hottest day in December 1984 was 8 December when the temperature reached 48.9°F. Overnight the average temperature in December is 35.6°F and in 1984 the average overnight temperature was 4.2°F cooler at 31.4°F.

Precipitation for December 1984

In December the average monthly rainfall in Seattle, WA is 5.67 inches with rain usually falling on 19 days. In December 1984 there was a total of 6.08 inches of rain, that fell on 18 days.