Lawrence County Climate
Lawrence County, Pennsylvania
Avg Annual Temp
51.1°F
Annual Precip
41.8"
Annual Snowfall
27.5"
Extreme Heat Days
21.3
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Lawrence County Weather
Standard Humid Continental Weather Patterns
Lawrence County maintains an average annual temperature of 51.1°F, sitting slightly below the national median. This reflects a climate of cold winters and warm, humid summers typical of the Great Lakes region.
Staying Above the State Mean
The county is warmer than the Pennsylvania state average of 49.9°F by over one degree. It avoids the harsher average cold found in the Allegheny Plateau counties to the east.
Higher Heat Than Eastern Neighbors
Lawrence experiences 21 extreme heat days per year, notably higher than Lebanon County’s 13 days. Its 41.8 inches of annual rain is slightly drier than the state average of 45.3 inches.
Defined Winters and Sunny Julys
Winter temperatures average 30.3°F with 27.5 inches of snowfall annually. Summers are active and warm, featuring a July average of 73.1°F and frequent days reaching into the 90s.
Plan for High Heat and Snow
Residents should service HVAC units early to prepare for 21 days of extreme heat. Reliable snow removal tools are also necessary to handle the 27.5 inches of winter accumulation.
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.