Historical Weather in Pittsburgh, PA
See 55+ years of weather history for any date in Pittsburgh going back to 1970.
Part of Pennsylvania weather history · Pennsylvania temperature records
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Monthly Climate Averages
Historical temperature and precipitation averages for Pittsburgh, PA, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.
Pittsburgh, PA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Pittsburgh, PA Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Pittsburgh, PA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Growing Season & Frost in Pittsburgh, PA
Based on the dates the average overnight low reaches freezing (32°F / 0°C), from 50+ years of NOAA station data.
Hours of Daylight in Pittsburgh, PA
Day length across the year at 40.5°N latitude. Computed from solar geometry.
Best Time to Visit Pittsburgh, PA
Pittsburgh, PA has no months that meet our "pleasant" threshold — every season has tradeoffs.
Pittsburgh Temperature Records
- Record High: The hottest temperature ever recorded in Pittsburgh, PA is 102°F, set on July 15, 1995.
- Record Low: The coldest temperature ever recorded in Pittsburgh, PA is -19°F, set on January 18, 1994.
- Data Coverage: Based on 28 years of data from NOAA weather station: PITTSBURGH ALLEGHENY CO AP.
All-Time Record High
All-Time Record Low
Monthly Temperature Records in Pittsburgh
| Month | Record High | Record Low |
|---|---|---|
| January | 74°F(1999) | -19°F(1994) |
| February | 78°F(2000) | -19°F(2015) |
| March | 85°F(1998) | -2°F(2015) |
| April | 90°F(1990) | 17°F(2011) |
| May | 94°F(2011) | 21°F(2006) |
| June | 102°F(2022) | 33°F(2007) |
| July | 102°F(1995) | 39°F(2005) |
| August | 102°F(1995) | 39°F(2014) |
| September | 96°F(2011) | 21°F(2007) |
| October | 91°F(2019) | 22°F(1988) |
| November | 80°F(2024) | 11°F(2019) |
| December | 75°F(1999) | -7°F(2017) |