Somerset County Climate
Somerset County, Pennsylvania
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
47.7°F
Annual Precip
45.9"
Annual Snowfall
83.2"
Extreme Heat Days
4
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6a
Minimum winter temperature range for plant survival
2,367
Favors cool-season crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Somerset County
Climate Verdict
Somerset County has a cool, averaging 47.7°F annually, moderately wet with 45.9 inches of annual precipitation, rare extreme heat with only 4.1000000000000005 days above 90°F annually, heavy winter snowfall averaging 83.2 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 25.3°F. summers are pleasantly cool with July averaging 68.6°F. The 43°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
Somerset County closely matches the Pennsylvania statewide average temperature of 49.8°F.
Climate Profile
About Somerset County Weather
A Highland Climate With Extreme Snow
Somerset County averages 47.7°F annually, placing it among the cooler regions in the nation. Its most defining national characteristic is its massive 83.2 inches of annual snowfall, which far exceeds the national median.
Below the State Average for Temperature
The county's 47.7°F average temperature is over two degrees lower than the Pennsylvania average of 49.9°F. It stands out in the state for its high elevation impacts, producing nearly double the average Pennsylvania snowfall.
The Snow Capital of the Region
Somerset's 83.2 inches of snow dwarfs the 44.1 inches seen in Schuylkill County. While neighbors may see similar winter temperatures, Somerset’s unique geography creates significantly more frozen precipitation.
Heavy Winters and Cool Mountain Summers
Winter is the dominant season here, with average temperatures of 27.7°F and persistent snow. Summers stay remarkably cool, averaging 66.9°F with only four days per year reaching the 90°F mark.
Prepare for Major Winter Impacts
Residents must invest in high-capacity snow blowers and structural roof maintenance to handle the 83.2-inch snow load. HVAC systems should focus on heating efficiency, as summer cooling needs remain minimal.
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.