Best Time to Visit Philadelphia, Pennsylvania (2026)
The best time to visit Philadelphia is April through October, when average highs are 64-87°F with minimal rain. Avoid December when weather conditions are the least favorable for visiting.
Month-by-Month Weather Overview
| Month | High | Low | Rain | Snow | Score |
|---|---|---|---|---|---|
| Jan | 40°F | 26°F | 3.5" | 6.5" | 3/10 |
| Feb | 44°F | 28°F | 2.7" | 6.1" | 4/10 |
| Mar | 53°F | 36°F | 3.6" | 2.3" | 5/10 |
| Apr | 64°F | 45°F | 3.5" | — | 8/10 |
| May | 74°F | 55°F | 3.2" | — | 10/10 |
| Jun | 83°F | 65°F | 3.8" | — | 10/10 |
| Jul | 87°F | 70°F | 4.4" | — | 10/10 |
| Aug | 85°F | 69°F | 3.8" | — | 10/10 |
| SepBest | 78°F | 61°F | 3.9" | — | 10/10 |
| Oct | 66°F | 49°F | 3.1" | — | 9/10 |
| Nov | 55°F | 40°F | 3.2" | 0.3" | 6/10 |
| Dec | 44°F | 31°F | 3.5" | 3.8" | 3/10 |
Tourism score: 1-10 (higher = better for visiting). Based on temperature comfort, rainfall, and humidity.
When NOT to Visit Philadelphia
December is the least ideal time to visit Philadelphia. Conditions are less favorable for tourism, with highs of 44°F and 3.5" of rain.
Seasonal Breakdown
Spring
Spring brings mild weather to Philadelphia, with highs around 64°F. Expect some rain (10.3" total) but increasingly pleasant days.
Summer
Philadelphia summers are warm with average highs of 85°F. Perfect for outdoor activities with longer daylight hours.
Fall
Fall brings comfortable temperatures to Philadelphia, with highs around 66°F. Often considered the best season to visit.
Winter
Winter in Philadelphia means snow (16.4" average) and cold, with highs around 43°F. Bundle up and enjoy winter activities.
What to Pack for September in Philadelphia
- ✓Light layers
- ✓Sunglasses
- ✓Comfortable walking shoes
- ✓Umbrella or rain jacket
Safety in Philadelphia
While you're planning, Philadelphia has a Moderate safety rating based on FBI crime data. See full safety report.
Frequently Asked Questions
What is the best month to visit Philadelphia?
The best time to visit Philadelphia is April through October, when highs average 64-87°F with comfortable temperatures and manageable rainfall. September scores highest for tourism at 10/10.
What is the weather like in Philadelphia in September?
In September, Philadelphia has average highs of 78°F and lows of 61°F. Expect 3.9" of rainfall and 66% humidity. Snow is not expected.
Does it snow in Philadelphia?
Yes, Philadelphia gets an average of 19.0" of snow per year across 4 months. Snow is a regular winter occurrence.
How hot does Philadelphia get?
The hottest month in Philadelphia is July, with average highs of 87°F and lows of 70°F. Humidity averages 65%. Summer heat can be intense.
What should I pack for Philadelphia?
For the best time to visit (September): Light layers, Sunglasses, Comfortable walking shoes, Umbrella or rain jacket. If visiting in winter, add a heavy coat, warm hat, and insulated boots.