Tieton, WA has a relatively mild climate throughout the year. The summers are warm and sunny with average highs in the mid 80's and lows in the mid 50's. The winters in Tieton are cool and wet, with average highs in the low 40's and lows around freezing. Precipitation is spread fairly evenly throughout the year, with an overall annual average of about 32 inches of rain. Snowfall is minimal, averaging less than 5 inches annually.
Tieton, Washington gets 13 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Tieton averages 50 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 203 sunny days per year in Tieton. The US average is 205 sunny days.
Tieton gets some kind of precipitation, on average, 108 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 84 degrees
Winter Low: the January low is 23
Rain: averages 13 inches of rain a year
Snow: averages 50 inches of snow a year