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Buy →DOORS-OFF FORECAST / PHILADELPHIA, PA
Doors off in
Philadelphia.
Philadelphia averages 98 doors-off days a year. Here's which months deliver, which don't and why, from 10 years of daily weather. Plus this week's call.
Jun, Aug–Sep
Prime season
Months that average doors-off weather on at least half their days.
Aug
Best month
18 doors-off days on average, feels-like high 89°F.
This week in Philadelphia
Pull them this week?
- Loading the 7-day forecast…
Scored with our fair-weather defaults (68–100°F feels-like, wind under 18 mph, low rain odds). Forecast from Open-Meteo.
Month by month
Doors-off days in Philadelphia, by month
| Month | Doors-off days | Feels-like high | Wet days |
|---|---|---|---|
| Jan | 34°F | 9.9 | |
| Feb | 38°F | 10 | |
| Mar | 46°F | 10 | |
| Apr | 59°F | 11 | |
| May | 72°F | 12 | |
| Jun | 84°F | 11 | |
| Jul | 92°F | 14 | |
| Aug | 89°F | 12 | |
| Sep | 80°F | 9.5 | |
| Oct | 65°F | 8.9 | |
| Nov | 50°F | 7.8 | |
| Dec | 40°F | 10 |
Averages per month over 2015–2024. Highlighted rows are prime months.
When to take it off in Philadelphia
Prime season in Philadelphia runs Jun, Aug–Sep: those months average doors-off weather on at least half their days.
January, February, March, April, October, November and December are the cold side: the average feels-like high sits under 68°F. May hovers just over the 68°F floor (average feels-like high 72°F), so plenty of days still come up short. July loses days to rain: measurable precipitation on roughly a third of the month or more.
Your limits aren't ours. If you run doors-off at 55°F in a hoodie, or bail the second it hits 85, set your own thresholds in the forecast tool and it'll call each day for Philadelphia against them.
Weather is half of it
Doors off in Pennsylvania: read the fine print first
The PA mirror and fender rules, in plain English with the statute cited.
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Buy →STRAIGHT ANSWERS
Philadelphia doors-off FAQ.
- When is doors-off season in Philadelphia?
- Prime season in Philadelphia runs Jun, Aug–Sep: those months average doors-off weather on at least half their days. Counted from 10 years (2015–2024) of daily weather, where a doors-off day means a feels-like high between 68 and 100°F, wind under 18 mph and no real rain.
- How many doors-off days does Philadelphia get a year?
- About 98 on average, which ranks #36 of the 56 US metros we track. The best month, August, averages 18 doors-off days.
- What's the best month to run doors-off in Philadelphia?
- August, then September and June, by average doors-off days. Check this week's forecast before you pull them; averages don't drive.
- Is it legal to drive with the doors off in Pennsylvania?
- Read the fine print first. The full Pennsylvania mirror and fender rules, cited to the statute, are on our Pennsylvania doors-off law page.
How we count: daily weather for Philadelphia (39.9524, -75.1636) from the Open-Meteo historical archive (ERA5 reanalysis, a gridded model of past weather, not a single airport station), 2015–2024. A doors-off day has a feels-like high of 68–100°F, max wind of 18 mph or less and under 0.04 in of rain. Those are the same fair-weather limits the forecast tool starts with. Averages smooth out good and bad years; the forecast is what you drive on.