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Carnegie, PA weather and climate

Allegheny County, PA · population 8,015 · about 771 ft elevation

Everything below is a 30 year average for 1991-2020, computed from daily climate history at Carnegie's own coordinates.

The year at a glance

Sunny days
160
clear or partly cloudy, per year
Precipitation
48 in
per year
Wet days
158
rain or snow per year
Snowfall
34 in
per year
Hot days
14
above 90 °F
Freezing nights
112
at or below 32 °F
Humidity
73%
average relative
Average temperature
52 °F
year round

Monthly temperatures

Average daily high and low for each month, in °F.

Daily highDaily low
20406080JanMarMayJulSepNovDaily high, Jan: 38 °FDaily high, Feb: 41 °FDaily high, Mar: 50 °FDaily high, Apr: 63 °FDaily high, May: 73 °FDaily high, Jun: 80 °FDaily high, Jul: 84 °FDaily high, Aug: 83 °FDaily high, Sep: 76 °FDaily high, Oct: 64 °FDaily high, Nov: 52 °FDaily high, Dec: 42 °FDaily low, Jan: 21 °FDaily low, Feb: 23 °FDaily low, Mar: 30 °FDaily low, Apr: 40 °FDaily low, May: 50 °FDaily low, Jun: 59 °FDaily low, Jul: 64 °FDaily low, Aug: 62 °FDaily low, Sep: 55 °FDaily low, Oct: 44 °FDaily low, Nov: 34 °FDaily low, Dec: 27 °F
View monthly temperatures as a table
Monthly temperatures (°F)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Daily high384150637380848376645242
Daily low212330405059646255443427

Monthly precipitation

Total rain plus melted snow for each month, in inches.

0.02.04.0JanMarMayJulSepNovCarnegie, Jan: 3.6 inCarnegie, Feb: 3.1 inCarnegie, Mar: 4.2 inCarnegie, Apr: 4.7 inCarnegie, May: 4.8 inCarnegie, Jun: 5.0 inCarnegie, Jul: 4.6 inCarnegie, Aug: 3.7 inCarnegie, Sep: 4.0 inCarnegie, Oct: 3.7 inCarnegie, Nov: 3.5 inCarnegie, Dec: 3.5 in
View monthly precipitation as a table
Monthly precipitation (inches)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Carnegie3.63.14.24.74.85.04.63.74.03.73.53.5

Monthly sunny days

Days each month with clear or partly cloudy skies.

01020JanMarMayJulSepNovCarnegie, Jan: 7 daysCarnegie, Feb: 9 daysCarnegie, Mar: 12 daysCarnegie, Apr: 13 daysCarnegie, May: 14 daysCarnegie, Jun: 16 daysCarnegie, Jul: 18 daysCarnegie, Aug: 19 daysCarnegie, Sep: 18 daysCarnegie, Oct: 16 daysCarnegie, Nov: 12 daysCarnegie, Dec: 8 days
View monthly sunny days as a table
Monthly sunny days (days)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Carnegie791213141618191816128

Compare Carnegie with another city

Nearby cities and popular picks. Any two cities can be compared from the home page.

See weather for every covered Pennsylvania city

About this data

Figures are 30 year averages for 1991-2020. Wet days count days with measurable precipitation, calibrated against the wet day counts in NOAA's published climate normals. Sunny days count clear plus partly cloudy days, defined as average cloud cover of 63 percent or less and calibrated against NOAA's published sky cover tables. Snowfall figures are model estimates anchored to NOAA station measurements near each city.

Weather data by Open-Meteo.com (CC BY 4.0). Contains modified Copernicus Climate Change Service information (ERA5, ERA5-Land).