York County Climate
York County, Pennsylvania
Avg Annual Temp
53.9°F
Annual Precip
44.4"
Annual Snowfall
26.5"
Extreme Heat Days
23.233333333333334
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About York County Weather
Warm and humid southern Pennsylvania climate
York County’s annual average of 53.9°F is nearly identical to the national median of 54°F. This makes it one of the more temperate and seasonally balanced counties in the northeastern United States.
One of the warmest spots in Pennsylvania
With an average temperature of 53.9°F, York is significantly warmer than the state average of 49.9°F. It consistently ranks as one of the warmest counties in Pennsylvania thanks to its southern border location.
Moderate precipitation and mild winters
The county receives 44.4 inches of precipitation, staying just under the state average of 45.3 inches. It experiences much less snow than northern counties, recording only 26.5 inches annually.
Hot summers and frequent heat waves
York experiences 23 days of extreme heat above 90°F, which is much higher than the state norm. July is quite warm at 75.7°F, while January stays relatively mild for the region at 31.3°F.
Heavy cooling needs and manageable winters
Strong air conditioning is essential here to combat the 23 days of extreme summer heat. Winter maintenance is easier than in most of PA, as the 26.5 inches of snow often melt quickly between storms.
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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.