Greene County Climate
Greene County, Pennsylvania
Avg Annual Temp
51.5°F
Annual Precip
44.1"
Annual Snowfall
30.1"
Extreme Heat Days
15.45
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Greene County Weather
A Warmer Mid-Atlantic Outlier
Greene County averages 51.5°F annually, positioning it as a warmer outlier in the Mid-Atlantic’s continental climate. This results in longer growing seasons and shorter periods of deep freeze.
Beating the State Average
It ranks as one of Pennsylvania’s warmest counties, sitting 1.6 degrees above the state average of 49.9°F. Despite the heat, it is slightly drier than the state average with 44.1 inches of rain.
The Region's Heat Record
Greene experiences 15 days of extreme heat, the highest in the region and five times Erie's frequency. Its 30.1 inches of snow is the lowest among these eight counties.
Milder Winters, Hotter Summers
July is warm at 72.3°F, while January stays relatively mild at 29.4°F. The lack of heavy snow—just 30 inches annually—defines its gentle winter character.
Maximize the Milder Seasons
Focus on sun protection and efficient cooling systems for the 15 annual extreme heat days. Outdoor planning can take advantage of the milder winters and lower snowfall totals.
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.