Seattle, WA weather in December 2010

Temperature for December 2010

In December 2010 the average high temperature in Seattle, WA was 49.0°F, and this was 2.3°F warmer than the average of 46.6°F. The hottest day in December 2010 was 12 December when the temperature reached 55.4°F. Overnight the average temperature in December is 35.6°F and in 2010 the average overnight temperature was 2.6°F warmer at 38.2°F.

Precipitation for December 2010

In December the average monthly rainfall in Seattle, WA is 5.67 inches with rain usually falling on 19 days. In December 2010 there was a total of 9.34 inches of rain, that fell on 16 days.