The climate in 98903 Union Gap, WA is generally mild and temperate. During the summertime, temperatures average around 70 degrees Fahrenheit with occasional hotter days reaching into the 90s. Winters are typically cool with temperatures ranging between 35 to 45 degrees Fahrenheit. In terms of precipitation, Union Gap receives an average of 24 inches of rain a year as well as approximately 16 inches of snowfall each winter season. The total amount of sunny days per year averages around 200 days with clear skies and sunshine throughout the day.
Union Gap (zip 98903), Washington gets 9 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Union Gap (zip 98903) averages 18 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 201 sunny days per year in Union Gap (zip 98903). The US average is 205 sunny days.
Union Gap (zip 98903) gets some kind of precipitation, on average, 74 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 88 degrees
Winter Low: the January low is 25
Rain: averages 9 inches of rain a year
Snow: averages 18 inches of snow a year