Navajo County Climate
Navajo County, Arizona
Avg Annual Temp
52.9°F
Annual Precip
14.3"
Annual Snowfall
30.1"
Extreme Heat Days
38.33636363636363
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Navajo County Weather
A Cool High-Altitude Oasis
Navajo County averages 52.9°F annually, sitting just below the national median temperature. This climate is notably wetter than the national arid average, receiving 14.3 inches of precipitation each year.
One of Arizona's Coolest Counties
Navajo County stands as a major outlier in Arizona, with its 52.9°F average temperature falling more than 10 degrees below the state average of 63.5°F. It provides a stark contrast to the scorching desert floors found in the southern parts of the state.
Wetter and Wilder Than Desert Neighbors
While Pinal County to the south bakes at a 70.1°F average, Navajo County stays much cooler and sees 30.1 inches of snow. It serves as a regional moisture hub, receiving more precipitation than Mohave's scant 8.2 inches.
Snowy Winters Meet Mild Summers
Navajo County sees only 38 days of extreme heat per year, with July temperatures averaging a comfortable 73.6°F. Winters are the main event, bringing an impressive 30.1 inches of snowfall and an average January temperature of 33.7°F.
Prepare for Snow and Freezing Nights
Homeowners should invest in reliable heating systems and snow removal equipment to handle the heavy winter precipitation. Four-wheel drive vehicles and winter-grade tires are practical necessities for navigating the 30.1 inches of annual snow.
Frequently Asked Questions
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Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.