Poston, AZ is located in the Sonoran Desert, and as such has a hot, dry climate. Summers are very hot with temperatures usually reaching over 100 degrees Fahrenheit during the day time. Winters are mild with temperatures typically staying above freezing and nighttime lows dropping to around 40 degrees Fahrenheit. The region receives an average of less than 8 inches of precipitation per year - most of which falls during the summer months in the form of monsoon thunderstorms.
Poston, Arizona gets 5 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Poston averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 310 sunny days per year in Poston. The US average is 205 sunny days.
Poston gets some kind of precipitation, on average, 18 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 108 degrees
Winter Low: the January low is 42
Rain: averages 5 inches of rain a year
Snow: averages 0 inches of snow a year