When to go · Philadelphia
Philadelphia in May
Great month. Inside Philadelphia's best window: Apr–Jun, Sep–Oct.
Key facts
- Verdict
- Great
- Temperature
- 24°C75°F / 12°C54°F
- average high / low
- Rain days
- 11
- Crowds
- Medium
- United States overall
- Prices
- Medium
- United States overall
Verdict
Inside Philadelphia's best window: Apr–Jun, Sep–Oct.
Weather in May
- PhiladelphiaHighs around 24 °C, lows around 12 °C, rain on about 11 daysHighs around 75 °F, lows around 54 °F, rain on about 11 days
- Northeast, United States · New York, Boston, Washington, Philadelphia, Mainebest weather
Cold, sometimes snowy winters; humid 30 °C+ spells in July–August; late September to October is the pick for foliage and walking.Cold, sometimes snowy winters; humid 86 °F+ spells in July–August; late September to October is the pick for foliage and walking.
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Memorial Day big impact
Last Monday of May · United States
Start of summer; roads and beaches full.
Crowds and prices
- Crowds · United States overall
- Medium
- Prices · United States overall
- Medium
United States overall: Warm and green; Memorial Day (last Monday) opens the summer season; timed-entry systems start at some parks.
What to pack
- A warm layer for the evenings
- A rain jacket or umbrella and shoes that dry fast