Monroe County Climate
Monroe County, New York
Avg Annual Temp
49.5°F
Annual Precip
35.1"
Annual Snowfall
102.0"
Extreme Heat Days
8.3
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Monroe County Weather
A Typical Northern Lake-Effect Climate
Monroe County averages 49.5°F annually, which is just below the national median. Its proximity to Lake Ontario heavily influences its seasonal weather patterns and precipitation levels.
Above the New York Average
At 49.5°F, Monroe County is about two degrees warmer than the New York state average of 47.4°F. However, its snowfall of 102 inches is significantly higher than many other parts of the state.
Snowier Than Its Southern Neighbors
Monroe's 102 inches of snow dwarfs Livingston County's 43.7 inches. Despite the heavy snow, its July average of 72.3°F makes it one of the warmer spots in the Finger Lakes region.
Big Snow and Humid Summers
The county balances 102 inches of snow with eight days of 90°F heat per year. Winter averages 28.5°F, while summer averages a warm 70.2°F.
Winterize for the Long Haul
A high-capacity snowblower is a mandatory investment for the 102-inch winters. Moderate air conditioning is recommended for the eight annual 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.