Seattle, WA weather in August 1999

Temperature for August 1999

In August 1999 the average high temperature in Seattle, WA was 74.8°F, and this was 1.8°F cooler than the average of 76.7°F. The hottest day in August 1999 was 24 August when the temperature reached 82.0°F. Overnight the average temperature in August is 54.7°F and in 1999 the average overnight temperature was 0.9°F warmer at 55.6°F.

Precipitation for August 1999

In August the average monthly rainfall in Seattle, WA is 1.12 inches with rain usually falling on 8 days. In August 1999 there was a total of 0.93 inches of rain, that fell on 13 days.