Carnegie, PA Weather & Climate Normals
What a normal year in Carnegie actually looks like
On the 30-year record NOAA keeps for Carnegie, PA, the comfort score comes out to 50/100, strongly seasonal: Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. Only 5 months a year land in the 55–75°F range this site treats as mild.
How much Carnegie's weather actually swings
Average temperatures in Carnegie run from 30°F in Jan up to 75°F in Jul, a 44.6°F seasonal swing, a middling gap by national standards.
Carnegie, month by month
| Month | Avg high | Avg low | Precip |
|---|---|---|---|
| Jan | 39°F | 21°F | 3.36in |
| Feb | 42°F | 22°F | 2.78in |
| Mar | 51°F | 29°F | 3.18in |
| Apr | 64°F | 39°F | 3.22in |
| May | 74°F | 50°F | 3.52in |
| Jun | 81°F | 59°F | 3.53in |
| Jul | 85°F | 64°F | 3.64in |
| Aug | 84°F | 62°F | 3.25in |
| Sep | 78°F | 55°F | 3.19in |
| Oct | 66°F | 44°F | 2.8in |
| Nov | 54°F | 33°F | 2.83in |
| Dec | 43°F | 26°F | 3.02in |
If you're timing a visit, May, Jun, Jul, Aug, and Sep are Carnegie's mildest stretch; if you're moving there, you should plan around Jan's cold instead.
How wet Carnegie actually gets
Carnegie averages 38.32in of precipitation a year across roughly 136 days with measurable rain or snow; the nearest NOAA station does not record snowfall, so no snow figure is shown rather than guessed.
Carnegie against the rest of the country
Out of 4876 cities scored here, Carnegie comes in at 1888; within PA alone it ranks 43 of 193. Population is about 7,855.
Checking the actual forecast
These figures come from Emsworth L/D Ohio Rvr, PA US, the NOAA station 6.7 miles from Carnegie, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why some cities show no snow or rain figure · What a 30-year climate normal actually is