Indiana County Climate
Indiana County, Pennsylvania
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
49.5°F
Annual Precip
47.9"
Annual Snowfall
45.8"
Extreme Heat Days
8
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6b
Minimum winter temperature range for plant survival
2,703
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Indiana County
Climate Verdict
Indiana County has a cool, averaging 49.5°F annually, moderately wet with 47.9 inches of annual precipitation, rare extreme heat with only 7.8 days above 90°F annually, moderate snowfall of 45.8 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 26.7°F. summers are warm — July averages 70.7°F. The 44°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
Indiana County closely matches the Pennsylvania statewide average temperature of 49.8°F, it is somewhat wetter than average for Pennsylvania.
Climate Profile
About Indiana County Weather
Cool Continental Highlands
Indiana County maintains a cool 49.5°F annual average, typical of the higher elevation continental climate. This sits slightly below both the state and national averages.
Wet and Cool Norms
The county is slightly cooler than the Pennsylvania average of 49.9°F. It is also one of the wettest areas, receiving 47.9 inches of precipitation compared to the state’s 45.3-inch norm.
Cooler Than the South
Indiana is warmer than Jefferson but significantly cooler than Huntingdon or Greene. It experiences 8 days of extreme heat, roughly half of what neighbors to the south face.
Substantial Snow and Mild July
Winters bring a substantial 45.8 inches of snow and a January average of 26.7°F. Summers are mild and comfortable, with July temperatures peaking at only 70.7°F.
Ready the Rain Gear
Durable rain gear and reliable winter heating are essential for the high precipitation and 45-inch snowfalls. The 8 extreme heat days require only moderate cooling capacity.
Frequently Asked Questions
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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.