Downingtown, PA Weather & Climate Normals
What a normal year in Downingtown actually looks like
On the 30-year record NOAA keeps for Downingtown, 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 Downingtown's weather actually swings
Average temperatures in Downingtown run from 30°F in Jan up to 75°F in Jul, a 45.4°F seasonal swing, one of the widest gaps in this dataset.
Downingtown, month by month
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 40°F | 20°F | 3.65in | 7.9in |
| Feb | 43°F | 21°F | 3.12in | 13.2in |
| Mar | 51°F | 29°F | 4.61in | 4.1in |
| Apr | 63°F | 38°F | 3.78in | 0.4in |
| May | 73°F | 49°F | 3.81in | 0in |
| Jun | 82°F | 59°F | 4.01in | 0in |
| Jul | 86°F | 64°F | 4.41in | 0in |
| Aug | 84°F | 62°F | 4.79in | 0in |
| Sep | 78°F | 54°F | 5.65in | 0in |
| Oct | 66°F | 41°F | 4.83in | 0in |
| Nov | 55°F | 32°F | 3.55in | 0.5in |
| Dec | 44°F | 25°F | 4.72in | 4.4in |
If you're timing a visit, May, Jun, Jul, Aug, and Sep are Downingtown's mildest stretch; if you're moving there, you should plan around Jan's cold instead.
How wet Downingtown actually gets
Over a typical year, Downingtown sees about 50.93in of precipitation a year across roughly 124 days with measurable rain or snow, with 30.5in of snow a year.
Downingtown against the rest of the country
Out of 4876 cities scored here, Downingtown comes in at 3126; within PA alone it ranks 107 of 193. Population is about 8,463.
Checking the actual forecast
These figures come from W Chester 2 Nw, PA US, the NOAA station 4.4 miles from Downingtown, 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