Graham County Climate
Graham County, Arizona
Avg Annual Temp
62.2°F
Annual Precip
11.4"
Annual Snowfall
6.9"
Extreme Heat Days
112.925
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Graham County Weather
Dry Heat in the Upper Tiers
Graham County averages 62.2°F, placing it in the upper tier of temperatures compared to the national median. It receives a sparse 11.4 inches of rain annually.
Near the Arizona State Median
The county's average temperature of 62.2°F is just below the statewide average of 63.5°F. It experiences significantly more extreme heat days than northern counties like Coconino.
Intense Heat Relative to Gila
Graham records 113 days over 90°F, which is more intense than neighboring Gila's 104 days. However, it is much drier than Greenlee, receiving about 4 inches less rain annually.
Four Months of Extreme Heat
Summers are long and hot, featuring 113 days of extreme heat and a July average of 81.8°F. Winters stay temperate, averaging 44.6°F with a light 6.9 inches of annual snow.
Prioritize Efficient Summer Cooling
Prioritize water conservation and desert-landscaping for your property to handle the low rainfall. Effective air conditioning is vital for the 113 days of extreme heat.
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.