99301 Pasco, WA enjoys a semi-arid climate with hot summers and cold winters. During the summer months, temperatures can reach up to 95° F (35° C) during the day and cool down to around 65° F (18° C) at night. In winter, temperatures average around 39° F (4° C) during the day and drop to about 22° F (-6° C) at night. The area generally receives 10 inches of rain each year and 6 inches of snow annually. Despite its relatively dry climate, the area experiences occasional strong winds that can reach speeds of up to 30 mph (48 km/h).
Pasco (zip 99301), Washington gets 8 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Pasco (zip 99301) averages 4 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 192 sunny days per year in Pasco (zip 99301). The US average is 205 sunny days.
Pasco (zip 99301) gets some kind of precipitation, on average, 83 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 90 degrees
Winter Low: the January low is 29
Rain: averages 8 inches of rain a year
Snow: averages 4 inches of snow a year