Mohave County Climate
Mohave County, Arizona
Avg Annual Temp
65.9°F
Annual Precip
8.2"
Annual Snowfall
4.5"
Extreme Heat Days
134.125
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
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 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.