Canonsburg, PA Weather & Climate Normals
What a normal year in Canonsburg actually looks like
On the 30-year record NOAA keeps for Canonsburg, PA, the comfort score comes out to 46/100, 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 Canonsburg's weather actually swings
Average temperatures in Canonsburg run from 28°F in Jan up to 73°F in Jul, a 44.2°F seasonal swing, a middling gap by national standards.
Canonsburg, month by month
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 37°F | 20°F | 3.32in | 9.9in |
| Feb | 40°F | 22°F | 2.52in | 7.5in |
| Mar | 49°F | 29°F | 3.51in | 6.1in |
| Apr | 63°F | 40°F | 3.26in | 0.6in |
| May | 72°F | 49°F | 4.14in | 0in |
| Jun | 80°F | 58°F | 4.48in | 0in |
| Jul | 83°F | 62°F | 3.63in | 0in |
| Aug | 83°F | 60°F | 3.48in | 0in |
| Sep | 76°F | 54°F | 3.57in | 0in |
| Oct | 64°F | 43°F | 3in | 0in |
| Nov | 52°F | 33°F | 3.11in | 1.8in |
| Dec | 41°F | 26°F | 3.32in | 6in |
If you're timing a visit, May, Jun, Jul, Aug, and Sep are Canonsburg's mildest stretch; if you're moving there, you should plan around Jan's cold instead.
How wet Canonsburg actually gets
Over a typical year, Canonsburg sees about 41.34in of precipitation a year across roughly 154 days with measurable rain or snow, with 31.9in of snow a year.
Canonsburg against the rest of the country
Out of 4876 cities scored here, Canonsburg comes in at 3108; within PA alone it ranks 104 of 193. Population is about 9,601.
Checking the actual forecast
These figures come from Washington 3 Ne, PA US, the NOAA station 5.9 miles from Canonsburg, 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