Mechanicsburg, PA Weather & Climate Normals
Mechanicsburg's real weather, in one number
Mechanicsburg, PA scores 45/100 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. 4 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Mechanicsburg's hottest and coldest months
Mechanicsburg's hottest month is Jul, averaging 78°F; its coldest is Jan, averaging 33°F, a 44.9°F swing across the year, a middling gap by national standards.
Rain and snow in Mechanicsburg
Over a typical year, Mechanicsburg sees about 40.98in of precipitation a year across roughly 129 days with measurable rain or snow. That station has no snowfall reading, so none is shown rather than assumed.
Where Mechanicsburg ranks
Mechanicsburg ranks 3473 of 4876 US cities in this dataset for comfort score, and 123 of 193 within PA. About 10,085 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from HARRISBURG CPTL CY AP, PA US, 8.2 miles from Mechanicsburg, not a prediction for any specific day.
More on how this is worked out
Why some cities show no snow or rain figure · How the comfort score is calculated