Niagara County Climate
Niagara County, New York
Avg Annual Temp
48.7°F
Annual Precip
36.0"
Annual Snowfall
69.1"
Extreme Heat Days
8.04
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Niagara County Weather
Tempered by the Great Lakes
Niagara County averages 48.7°F annually, falling just below the national median. The presence of Lake Ontario and Lake Erie helps moderate extreme temperature swings.
Slightly Warmer than the State Average
The county's 48.7°F average is slightly higher than the state-wide average of 47.4°F. It maintains a more temperate profile than the high-elevation or more northern New York counties.
Lower Precipitation than Neighbors
Niagara's 36 inches of annual precipitation is lower than the state average of 43.3 inches. It also sees 69.1 inches of snow, which is much less than Monroe County's 102 inches.
Consistent Warmth and Winter Snow
The county experiences eight days per year of 90°F heat and a July average of 71.8°F. Winter remains cold but manageable, with a January average of 25.4°F.
Prepare for Lake-Effect Winds
Windproofing and insulation are vital for residents near the lake shore. With 69.1 inches of snow, a reliable snowblower and seasonal tires are highly recommended.
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.