Lewisville, Washington gets 54 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Lewisville averages 2 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 142 sunny days per year in Lewisville. The US average is 205 sunny days.
Lewisville gets some kind of precipitation, on average, 175 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.
Summer High: the July high is around 78 degrees
Winter Low: the January low is 33
Rain: averages 54 inches of rain a year
Snow: averages 2 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Lewisville is 7.1 (10=best), which means it is about average compared to other places in Washington.
9.2 / 5.1
Summer / Winter
August, July and September are the most pleasant months in Lewisville, while December and January are the least comfortable months.