Oneida County Climate
Oneida County, New York
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
45.2°F
Annual Precip
48.9"
Annual Snowfall
157.7"
Extreme Heat Days
4
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
5b
Minimum winter temperature range for plant survival
2,204
Favors cool-season crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Oneida County
Climate Verdict
Oneida County has a cool, averaging 45.2°F annually, moderately wet with 48.9 inches of annual precipitation, rare extreme heat with only 3.72 days above 90°F annually, heavy winter snowfall averaging 157.7 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 19.9°F. summers are pleasantly cool with July averaging 68.6°F. The 49°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
Oneida County closely matches the New York statewide average temperature of 47.5°F, it is also noticeably wetter, receiving 5.5 inches more precipitation than the state average.
Climate Profile
About Oneida County Weather
Cold and Snowy Central Hub
Oneida County averages 45.2°F annually, making it significantly colder than the national median. Its position makes it a prime target for heavy lake-effect precipitation.
Colder than the New York Average
At 45.2°F, Oneida County sits more than two degrees below the New York state average. It is characterized by long, snowy winters and relatively short, mild summers.
A Local Leader in Snowfall
With 157.7 inches of annual snowfall, Oneida is far snowier than Niagara's 69.1 inches. It also exceeds the state average for total precipitation, recording 48.9 inches annually.
Mild Summers and Brutal Winters
January temperatures average a freezing 19.9°F, and the county sees only four days over 90°F all year. July is pleasant at 68.6°F, providing a brief break from the moisture.
Winter Preparedness is Non-Negotiable
Homeowners must prioritize heavy-duty heating and roof maintenance to handle 157.7 inches of snow. Summier cooling needs are minimal, but dehumidification is helpful given the 48.9 inches of annual rain.
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.