Window Rock, AZ has a semi-arid climate, characterised by hot summers and cold winters. The highest temperatures occur in July and August, when temperatures can reach up to 95 degrees Fahrenheit (35 degrees Celsius). Conversely, during winter months the temperature can drop to as low as 10 degrees Fahrenheit (-12 degrees Celsius). Precipitation is scarce throughout the year, with an annual average of just 13 inches (33 cm). Summers are usually dry with light winds blowing from the south. Snowfall is rare but it does occur occasionally. Despite its arid climate, Window Rock is an oasis within the Navajo Nation and offers a variety of activities for visitors to enjoy.
Window Rock, Arizona gets 12 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Window Rock averages 19 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 276 sunny days per year in Window Rock. The US average is 205 sunny days.
Window Rock gets some kind of precipitation, on average, 63 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 86 degrees
Winter Low: the January low is 14
Rain: averages 12 inches of rain a year
Snow: averages 19 inches of snow a year