Delaware County Climate
Delaware County, New York
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
45.5°F
Annual Precip
46.3"
Annual Snowfall
61.3"
Extreme Heat Days
4
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
5b
Minimum winter temperature range for plant survival
2,118
Favors cool-season crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Delaware County
Climate Verdict
Delaware County has a cool, averaging 45.5°F annually, moderately wet with 46.3 inches of annual precipitation, rare extreme heat with only 3.5749999999999997 days above 90°F annually, heavy winter snowfall averaging 61.3 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 21.7°F. summers are pleasantly cool with July averaging 67.9°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
Delaware County closely matches the New York statewide average temperature of 47.5°F, it is somewhat wetter than average for New York.
Climate Profile
About Delaware County Weather
A wet and cool highland
Delaware County's 45.5°F average temperature is nearly 10 degrees lower than the national median. It is a wet region, receiving 46.3 inches of precipitation annually.
Cooler and wetter than average
The county averages roughly 2 degrees cooler than the New York state mean of 47.4°F. Its precipitation levels also trend higher than the state average of 43.3 inches.
Drier winters than its neighbors
It experiences a similar January average to Chenango County but is slightly drier in terms of snowfall. Delaware records 61.3 inches of snow, about 5 inches less than its western neighbor.
Consistent moisture all year
Seasonal swings range from a January low of 21.7°F to 4 days of extreme summer heat. Precipitation is consistent throughout the year, totaling over 46 inches.
Managing the high rainfall
Effective drainage and gutter maintenance are crucial for managing the 46.3-inch annual precipitation. Prepare for a five-foot cumulative snow season with reliable winter tires.
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.