Montgomery County Climate
Montgomery County, Pennsylvania
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
53.3°F
Annual Precip
48.7"
Annual Snowfall
18.0"
Extreme Heat Days
25
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7a
Minimum winter temperature range for plant survival
3,416
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Montgomery County
Climate Verdict
Montgomery County has a mild, with an average annual temperature of 53.3°F, moderately wet with 48.7 inches of annual precipitation, occasional hot days — 24.8 per year above 90°F, light snow averaging 18.0 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 30.9°F. summers are warm — July averages 75.7°F. The 45°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Montgomery County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Montgomery County is 3.5°F warmer than the Pennsylvania statewide average of 49.8°F, it is somewhat wetter than average for Pennsylvania.
Climate Profile
About Montgomery County Weather
Warm Subtropical Influences
Montgomery County averages 53.3°F annually, making it notably warmer than the national median. The climate leans toward humid subtropical, influenced by its proximity to the Atlantic coastal plain.
One of Pennsylvania's Warmest Counties
At 53.3°F, the county is 3.4 degrees warmer than the Pennsylvania state average. It also sees more rain than the state norm, recording 48.7 inches of annual precipitation.
Milder Winters Than Northern Neighbors
Compared to counties further inland, Montgomery enjoys light winters with only 18.0 inches of snow. It is significantly warmer and less snowy than the mountainous regions to the north and west.
Persistent Summer Heat
The county endures 25 days of extreme heat above 90°F, driven by a July average of 75.7°F. Winters are relatively mild, with average January temperatures staying above freezing at 30.9°F.
Prioritizing Summer Cooling
Energy-efficient air conditioning is the top priority here given the 25 days of extreme heat. Heavy winter gear is less critical, as annual snowfall is less than half of what other PA counties experience.
Frequently Asked Questions
What is the average temperature in Montgomery County?
How much rain does Montgomery County get?
Does it snow in Montgomery County?
How hot does Montgomery County get in summer?
How cold are winters in Montgomery County?
Track your own weather in Montgomery 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.