Seattle, WA Climate in March

Temperature for March

In Seattle, WA during March the average high temperature is 53.4°F. The hottest day on record was March 30, 2004 when the temperature recorded was 78.1°F.

Seattle, WA daily average and extreme temperature range for March

Low Temperature

During March the overnight temperature drops to an average of 37.8°F, with the lowest temperature of 11.3°F being recorded on March 4, 1955. On average there are 1 days in March when the temperature stays below freezing all day. Overnight temperatures drop below freezing between 1 and 18 times in March.

Precipitation for March

In March the average monthly rainfall in Seattle, WA is 3.98 inches with rain usually falling on between 18 and 19 days. 1965 was the driest March with only 0.60 inches of rain falling, and 1973 was the wettest March with 11.59 inches of rain. The wettest single day in March was 9 March 1973 when 4.33 inches of rain fell.

In March it usually snows on between 2 and 3 days. In March there have been some years when thunderstorms have occurred, although there are other years when there hasn't been a thunderstorm in March.