Navajo County Climate
Navajo County, Arizona
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
52.9°F
Annual Precip
14.3"
Annual Snowfall
30.1"
Extreme Heat Days
38
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7a
Minimum winter temperature range for plant survival
3,047
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Navajo County
Climate Verdict
Navajo County has a mild, with an average annual temperature of 52.9°F, arid conditions receiving just 14.3 inches of precipitation annually, occasional hot days — 38.336363636363636 per year above 90°F, moderate snowfall of 30.1 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 33.7°F. summers are warm — July averages 73.6°F. The 40°F seasonal variation provides noticeable but manageable change. December is typically the coldest month and July the warmest.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Navajo County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Navajo County is 10.6°F cooler than the Arizona statewide average of 63.5°F, the county experiences 75.07862795537795 fewer extreme heat days than the state average.
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
What is the average temperature in Navajo County?
How much rain does Navajo County get?
Does it snow in Navajo County?
How hot does Navajo County get in summer?
How cold are winters in Navajo County?
Track your own weather in Navajo County
Ambient Weather personal weather stations give you hyperlocal climate data.
Sponsored
Data sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.
Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.