The climate in Mount Vernon, WA (zip code 98274) is generally mild with warm summers and cool winters. During the summer months, temperatures average around 70 degrees Fahrenheit during the day and dip down to around 50 degrees Fahrenheit at night. Winters are usually a bit cooler with temperatures averaging around 45 during the day and dropping to around 30 degrees Fahrenheit at night. Rainfall is relatively consistent throughout the year with an average of about 40 inches per year, most of which falls between October and April.
Mount Vernon (zip 98274), Washington gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Mount Vernon (zip 98274) averages 6 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 160 sunny days per year in Mount Vernon (zip 98274). The US average is 205 sunny days.
Mount Vernon (zip 98274) gets some kind of precipitation, on average, 171 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Weather Highlights
Summer High: the July high is around 72 degrees
Winter Low: the January low is 36
Rain: averages 42 inches of rain a year
Snow: averages 6 inches of snow a year