Delaware County Climate
Delaware County, New York
Avg Annual Temp
45.5°F
Annual Precip
46.3"
Annual Snowfall
61.3"
Extreme Heat Days
3.5749999999999997
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
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 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.