When to go · Philadelphia

Philadelphia in August

Avoid month. Listed as a month to avoid: Jul–Aug (hot and humid), late Jan–Feb (cold snaps and snow).

Key facts

Verdict: Avoid
Temperature: 30°C (86°F)86°F (30°C) / 20°C (68°F)68°F (20°C); average high / low
Rain days: 10
Crowds: High; United States overall
Prices: High; United States overall

Plan around it

Verdict

AvoidBest and avoid months for Philadelphia

Listed as a month to avoid: Jul–Aug (hot and humid), late Jan–Feb (cold snaps and snow).

August is rated avoid. These months rate higher:

Long-term averages

PhiladelphiaHighs around 30 °C (86 °F), lows around 20 °C (68 °F), rain on about 10 daysHighs around 86 °F (30 °C), lows around 68 °F (20 °C), rain on about 10 days
Northeast, United States · New York, Boston, Washington, Philadelphia, Mainehot
Cold, sometimes snowy winters; humid 30 °C (86 °F)+ spells in July–August; late September to October is the pick for foliage and walking.Cold, sometimes snowy winters; humid 86 °F (30 °C)+ spells in July–August; late September to October is the pick for foliage and walking.

United States overall: Hot and busy; wildfire smoke in the West, hurricane peak begins in the Southeast.

Weather, crowds and prices for any two months in Philadelphia, side by side.

First month

Second month

August: Listed as a month to avoid: Jul–Aug (hot and humid), late Jan–Feb (cold snaps and snow).

April: Inside Philadelphia's best window: Apr–Jun, Sep–Oct.

Philadelphia: figures are long-term averages from this guide, not a forecast.