Collegeville, PA Weather & Climate Normals
Collegeville's real weather, in one number
Collegeville, PA scores 48/100 on this site's reading of NOAA's own 30-year normals: strongly seasonal. Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. 5 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Collegeville's hottest and coldest months
Collegeville's hottest month is Jul, averaging 75°F; its coldest is Jan, averaging 30°F, a 45°F swing across the year, a middling gap by national standards.
Collegeville's weather across the year
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 40°F | 20°F | 3.32in | 3.9in |
| Feb | 42°F | 22°F | 2.63in | 5.4in |
| Mar | 50°F | 29°F | 3.89in | 1.3in |
| Apr | 62°F | 39°F | 3.8in | 0.1in |
| May | 72°F | 49°F | 3.99in | 0in |
| Jun | 81°F | 59°F | 4.21in | 0in |
| Jul | 86°F | 64°F | 4.97in | 0in |
| Aug | 84°F | 61°F | 4.56in | 0in |
| Sep | 78°F | 53°F | 4.9in | 0in |
| Oct | 66°F | 41°F | 4.52in | 0in |
| Nov | 55°F | 32°F | 3.35in | 0in |
| Dec | 45°F | 25°F | 4.38in | 2.2in |
May, Jun, Jul, Aug, and Sep are the best time to see Collegeville at its mildest; the rest of the year, plan around Jan's cold.
Rain and snow in Collegeville
Collegeville averages 48.52in of precipitation a year across roughly 104 days with measurable rain or snow, and 12.9in of snow a year.
Where Collegeville ranks
Collegeville ranks 2519 of 4876 US cities in this dataset for comfort score, and 71 of 193 within PA. About 5,308 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from Graterford 1 E, PA US, 3.4 miles from Collegeville, not a prediction for any specific day.
More on how this is worked out
How the comfort score is calculated · Why some cities show no snow or rain figure