West Chester, PA Weather & Climate Normals
What a normal year in West Chester actually looks like
On the 30-year record NOAA keeps for West Chester, 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 West Chester's weather actually swings
Average temperatures in West Chester 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.
How wet West Chester actually gets
Over a typical year, West Chester sees about 50.93in of precipitation a year across roughly 124 days with measurable rain or snow, with 30.5in of snow a year.
West Chester against the rest of the country
Out of 4876 cities scored here, West Chester comes in at 2990; within PA alone it ranks 98 of 193. Population is about 22,758.
Checking the actual forecast
These figures come from W CHESTER 2 NW, PA US, the NOAA station 1.7 miles from West Chester, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why this uses the nearest NOAA station · How the comfort score is calculated