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Indiana County Climate

Indiana County, Pennsylvania

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec49.5°AVG °F

Avg Annual Temp

49.5°F

Annual Precip

47.9"

Annual Snowfall

45.8"

Extreme Heat Days

8

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
3.6"
3.0"
3.9"
4.0"
4.3"
4.8"
5.1"
4.3"
4.2"
3.5"
3.5"
3.6"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

6b

Minimum winter temperature range for plant survival

Growing Degree Days

2,703

Supports most vegetables & fruits

Last spring frost (32°F): 05/08
First fall frost (32°F): 10/13

Seasonal Overview

Comfort ZoneSpring37°59°12.2"Summer67°71°14.2"Fall41°63°11.2"Winter27°32°10.2"20°40°60°80°100°

National Comparison

Warmer than 28% of US counties
Wetter than 68% of US counties
More seasonal variation than 55% of US counties

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

What is the average temperature in Indiana County?
The average annual temperature in Indiana County, PA is 49.5°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Indiana County get?
Indiana County receives an average of 47.9 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
Does it snow in Indiana County?
Yes, Indiana County receives an average of 45.8 inches of snowfall per year according to NOAA climate normals.
How hot does Indiana County get in summer?
The average summer temperature (June-August) in Indiana County is 68.9°F. The county experiences an average of 8 days per year above 90°F.
How cold are winters in Indiana County?
The average winter temperature (December-February) in Indiana County is 29.3°F. January, typically the coldest month, averages 26.7°F.

Track your own weather in Indiana County

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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.

By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor
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