Philadelphia Weather in May
23.9°C high · 11.5°C low · 105 mm rain · 8.7h sun
Yes — May is one of the best months to visit Philadelphia, with mild weather and 8.7h of daily sunshine.
May at a glance
| Metric | Value |
|---|---|
| Average high | 23.9°C |
| Average low | 11.5°C |
| Rainfall | 105 mm |
| Sunshine | 8.7 hours/day |
| Daylight | 14.2 hours |
What to pack in May
Pack comfortable clothes with a light layer for evenings, plus a raincoat and umbrella for Philadelphia in May.
Philadelphia weather by month
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Frequently asked questions
What is the weather in Philadelphia in May?
Highs of 23.9°C and lows of 11.5°C, with about 105 mm of rain and 8.7 hours of sunshine per day.
Is May a good time to visit Philadelphia?
Yes — May is one of the best months to visit Philadelphia, with mild weather and 8.7h of daily sunshine.
What to do in Philadelphia · Best time to visit Philadelphia
Climate data: Open-Meteo Historical (ERA5), 1991–2020. CC BY 4.0.