Mohave County Climate
Mohave County, Arizona
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
65.9°F
Annual Precip
8.2"
Annual Snowfall
4.5"
Extreme Heat Days
134
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
9b
Minimum winter temperature range for plant survival
6,444
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Mohave County
Climate Verdict
Mohave County has a warm, averaging 65.9°F year-round, arid conditions receiving just 8.2 inches of precipitation annually, extreme heat exposure with 134.125 days per year above 90°F, light snow averaging 4.5 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are mild, with January temperatures averaging 46.4°F. summers are hot, with July averaging 88.1°F. The 42°F seasonal variation provides noticeable but manageable change. December is typically the coldest month and July the warmest.
Outdoor & Gardening Guidance
Summer outdoor activities should be planned for early morning or evening to avoid extreme heat.
Regional Context
Mohave County closely matches the Arizona statewide average temperature of 63.5°F, it is somewhat drier than average for Arizona, the county experiences 20.710008408258403 more extreme heat days than the state average.
Climate Profile
About Mohave County Weather
A Desert Climate Hotter Than the National Average
Mohave County maintains an average annual temperature of 65.9°F, placing it significantly higher than the national median of approximately 54°F. This arid environment receives only 8.2 inches of annual precipitation, making it one of the drier regions in the United States.
Staying Warmer Than Most of Arizona
With an annual average of 65.9°F, Mohave County ranks warmer than the state average of 63.5°F. While high-altitude counties provide a cooling effect elsewhere, this region remains a stronghold for Arizona's signature desert heat.
Cooler Than Yuma But Drier Than Yavapai
While Mohave's 65.9°F average is intense, it remains cooler than Yuma County to the south, which averages 74.1°F. However, it sees much less moisture than neighboring Yavapai County, which enjoys nearly double the rainfall at 15.4 inches.
Long Summers and Rare Winter Dustings
The county experiences 134 extreme heat days per year where temperatures reach or exceed 90°F, peaking with a July average of 88.1°F. Winters stay mild with a December through February average of 47.2°F and a modest 4.5 inches of annual snowfall.
Prioritize Cooling and Hydration Systems
Residents must maintain high-efficiency HVAC systems to manage the four months of extreme heat. Since the area only sees 8.2 inches of rain, xeriscaping and drought-tolerant landscaping are essential for any home planning.
Frequently Asked Questions
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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.