Northampton County Climate
Northampton County, Pennsylvania
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
50.9°F
Annual Precip
53.4"
Annual Snowfall
41.1"
Extreme Heat Days
14
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7a
Minimum winter temperature range for plant survival
2,932
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Northampton County
Climate Verdict
Northampton County has a mild, with an average annual temperature of 50.9°F, moderately wet with 53.4 inches of annual precipitation, rare extreme heat with only 13.6 days above 90°F annually, moderate snowfall of 41.1 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 28.1°F. summers are warm — July averages 72.8°F. The 45°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
Northampton County closely matches the Pennsylvania statewide average temperature of 49.8°F, it is also noticeably wetter, receiving 8.3 inches more precipitation than the state average.
Climate Profile
About Northampton County Weather
A Classic Northeast Climate
Northampton County's 50.9°F average temperature sits right in line with the national median for the humid continental zone. It experiences the sharp seasonal shifts typical of the Lehigh Valley.
Significantly Wetter Than the State Average
With 53.4 inches of annual precipitation, Northampton is much wetter than the state average of 45.3 inches. It is also roughly one degree warmer than the statewide average temperature.
Damp and Snowy Compared to Neighbors
The county receives 41.1 inches of snow, which is significantly higher than its southern neighbors in the Philadelphia metro. It also records more annual rainfall than most counties in the region.
Snowy Winters and Temperate Summers
Winters are significant, featuring 41.1 inches of snow and a January average of 28.1°F. Summers are generally comfortable, with only 14 days of extreme heat exceeding 90°F.
Prepare for High Precipitation
The 53.4 inches of rain makes high-quality roofing and drainage essential for local homeowners. A reliable snowblower is recommended for the 41-inch average annual snowfall.
Frequently Asked Questions
What is the average temperature in Northampton County?
How much rain does Northampton County get?
Does it snow in Northampton County?
How hot does Northampton County get in summer?
How cold are winters in Northampton County?
Track your own weather in Northampton 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.