Lyon County Climate
Lyon County, Nevada
Avg Annual Temp
51.7°F
Annual Precip
5.2"
Annual Snowfall
2.1"
Extreme Heat Days
70.26666666666667
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Lyon County Weather
Classic High Desert Conditions
Lyon County averages 51.7°F annually, placing it slightly below the national median. It is exceptionally dry, receiving just 5.2 inches of precipitation, which is far below the typical American county.
One of Nevada's Driest Spots
While the temperature matches the state average of 52.0°F, Lyon's 5.2 inches of rain is well below the state average of 8.6 inches. This makes it one of the more arid regions in an already dry state.
Drier Than the Tahoe Basin
Lyon is much drier than neighboring Washoe County, receiving roughly 4 inches less precipitation annually. It also sees far less snow than Storey County, with only 2.1 inches compared to Storey's 46.4 inches.
Intense Heat with Little Snow
The county faces 70 days of temperatures at or above 90°F, yet remains largely snow-free with only 2.1 inches annually. July is the peak of the heat, averaging 74.2°F.
Focus on Drought Resistance
Xeriscaping and water-efficient appliances are essential for managing the meager 5.2 inches of annual rainfall. Residents should also prepare for 70 days of heat with serviced HVAC systems.
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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.