Monroe County Climate
Monroe County, New York
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
49.5°F
Annual Precip
35.1"
Annual Snowfall
102.0"
Extreme Heat Days
8
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6b
Minimum winter temperature range for plant survival
2,835
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Monroe County
Climate Verdict
Monroe County has a cool, averaging 49.5°F annually, moderate rainfall of 35.1 inches per year, rare extreme heat with only 8.3 days above 90°F annually, heavy winter snowfall averaging 102.0 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 26.2°F. summers are warm — July averages 72.3°F. The 46°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.
Regional Context
Monroe County closely matches the New York statewide average temperature of 47.5°F, it is also noticeably drier, receiving 8.2 inches less precipitation than the state average.
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 sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.
Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.