Bristol, PA Weather & Climate Normals
Bristol's real weather, in one number
Bristol, PA scores 42/100 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.
Bristol's hottest and coldest months
Bristol's hottest month is Jul, averaging 76°F; its coldest is Jan, averaging 31°F, a 45°F swing across the year, a middling gap by national standards.
Rain and snow in Bristol
Bristol averages 50.7in of precipitation a year across roughly 120 days with measurable rain or snow, and 19.9in of snow a year.
Where Bristol ranks
Bristol ranks 4263 of 4876 US cities in this dataset for comfort score, and 167 of 193 within PA. About 9,982 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from NESHAMINY FALLS, PA US, 6.2 miles from Bristol, not a prediction for any specific day.
More on how this is worked out
What a 30-year climate normal actually is · Why this uses the nearest NOAA station