La Paz County Climate
La Paz County, Arizona
Avg Annual Temp
72.4°F
Annual Precip
5.3"
Annual Snowfall
0.0"
Extreme Heat Days
177.95999999999998
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About La Paz County Weather
Extreme Heat and Arid Plains
La Paz County is one of the warmest spots in the country, with a 72.4°F average that towers over the national median. It is exceptionally dry, receiving only 5.3 inches of rain.
One of Arizona's Hottest Counties
At 72.4°F, La Paz is nearly 9 degrees hotter than the Arizona state average. It ranks as one of the driest and hottest counties in the entire state.
Hotter Than Maricopa's Urban Core
It exceeds neighboring Maricopa's heat, recording 178 extreme heat days compared to Maricopa's 167. With only 5.3 inches of rain, it is much drier than any county to its east.
Six Months of Triple-Digit Heat
Summer is extreme, with 178 days over 90°F and a July average of 93.7°F. Winters are virtually non-existent by national standards, averaging 53.6°F with zero snowfall.
Heat Safety is the Priority
Focus almost entirely on heat mitigation and sun safety for the long summer. Ensure your cooling systems are top-tier to handle nearly six months of extreme temperatures.
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.