April's 2011 weather for Seattle has brought unseasonably cool temperatures, very little sunshine, and a lot of rain after a cool, mostly cloudy, and very wet March. For April 1 - 10, there have been two days with partly cloudy sky conditions and eight days with cloudy sky conditions.
Precipitation for April 1 - 10 is running 1.42 inches above normal at 2.40 inches compared to the normal 0.98 inches. There have been nine days with precipitation. The maximum twenty-hour precipitation total has been 1.13 inches on April 1 breaking the previous record of 0.39 inches set in 2009. Precipitation for the year is running 2.69 inches above normal at 16.73 inches compared to the normal 14.04 inches.
Temperatures for April 1 - 10 are averaging 4.3 degrees below normal --- the mean average temperature is 44.3 degrees compared to the normal 48.6 degrees. The average daily high is running 6.4 degrees below normal at 49.9 degrees compared to the normal 56.3 degrees. The warmest days have been April 9 and 10 when the temperature reached a high of 55 degrees; the coolest day has been April 7 when the temperature reached a low of 33 degrees.