Lycoming County Climate
Lycoming County, Pennsylvania
Avg Annual Temp
51.5°F
Annual Precip
43.1"
Annual Snowfall
34.2"
Extreme Heat Days
21.200000000000003
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Lycoming County Weather
Central Pennsylvania's Humid Continental Zone
Lycoming County averages 51.5°F annually, placing it slightly below the national median temperature. It experiences a wide range of weather, from heavy winter snows to hot summer afternoons.
Above the State Average Mark
At 51.5°F, the county is 1.6 degrees warmer than the Pennsylvania average of 49.9°F. This makes it a relatively warm pocket within the central mountainous region of the state.
Frequent Summer Heat Spikes
Lycoming sees 21 extreme heat days a year, matching Lawrence County but far exceeding Luzerne’s 8 days. It receives 43.1 inches of rain, which is slightly lower than the state mean.
Diverse Weather Year-Round
Summer temperatures average 72.1°F, while winter drops to a 30.3°F average with 34.2 inches of snow. January is the coldest month, typically bottoming out around 27.9°F.
Dual-Season Home Maintenance Required
The 21 days of heat over 90°F require effective cooling systems. Conversely, homeowners must prepare for over 34 inches of snow to keep driveways and roofs clear in winter.
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.