Cumberland County Climate
Cumberland County, Pennsylvania
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
52.3°F
Annual Precip
45.4"
Annual Snowfall
30.7"
Extreme Heat Days
21
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7a
Minimum winter temperature range for plant survival
3,237
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Cumberland County
Climate Verdict
Cumberland County has a mild, with an average annual temperature of 52.3°F, moderately wet with 45.4 inches of annual precipitation, occasional hot days — 21.2 per year above 90°F, moderate snowfall of 30.7 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 29.6°F. summers are warm — July averages 74.4°F. The 45°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Cumberland County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Cumberland County closely matches the Pennsylvania statewide average temperature of 49.8°F.
Climate Profile
About Cumberland County Weather
Warm and temperate transitions
Cumberland County’s average temperature of 52.3°F is near the national median, reflecting a milder mid-Atlantic climate. This area experiences significantly more warmth than the northern Pennsylvania counties.
Among the state's warmest
Cumberland is notably warmer than the Pennsylvania average of 49.9°F. Its location in the Cumberland Valley provides a longer growing season and more heat than the Allegheny plateau.
A match for Dauphin County
Cumberland shares an identical 52.3°F annual average with neighboring Dauphin County. Both counties receive roughly 45 inches of precipitation, which is standard for the state.
Hot summers and manageable snow
The county endures 21 days of extreme heat above 90°F, with July averages reaching a warm 74.4°F. Winters are milder than northern counties, with 30.7 inches of snow and a 31.9°F winter average.
Focus on summer cooling
With three weeks of 90-degree days, efficient central air conditioning is a necessity here. Winter planning is still required, but snow totals are manageable compared to the lake-effect regions.
Frequently Asked Questions
What is the average temperature in Cumberland County?
How much rain does Cumberland County get?
Does it snow in Cumberland County?
How hot does Cumberland County get in summer?
How cold are winters in Cumberland County?
Track your own weather in Cumberland County
Ambient Weather personal weather stations give you hyperlocal climate data.
Sponsored
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.