Yearly weather and climate in Philadelphia, United States
The yearly weather in Philadelphia runs from around 0°C in February to 32°C in July. October is the driest month at 5 rainy days; July the wettest at 15. Here is the annual climate data, so you know what you are packing for.
Best time to visit
The best weather is typically in Jun, Oct, with mild temperatures and lower rainfall.
Sunshine
Expect up to 11.7 hours of clear skies in Jun, but only 5.1 hours in Jan. Pack sunglasses and SPF accordingly.
Rainfall
It rains the most in Mar (139mm over 11 days). A reliable rain jacket is a must-have if visiting then.
Day-to-night swings
Temperatures typically drop by 10°C from day to night. Make sure to pack layers for the evenings.
Average temperatures and rainfall
Daily highs and lows in Philadelphia, averaged over 10 years of recorded weather, with the number of days it typically rains.
- 846°032°13Jan
- 949°031°9Feb
- 1355°236°11Mar
- 1967°846°12Apr
- 2374°1253°10May
- 2985°1763°8Jun
- 3289°2170°15Jul
- 2985°1967°11Aug
- 2678°1661°10Sep
- 2170°1050°5Oct
- 1457°440°6Nov
- 847°133°12Dec
Bars span the average daily low to high. Numbers under the drop are rainy days per month (1mm or more) — hover a month for its total rainfall. Oct is typically driest at 5 days (23mm); Jul the wettest at 15 days (96mm).
| Month | Average high | Average low | Rainy days | Total rainfall |
|---|---|---|---|---|
| Jan | 8°C | 0°C | 13 | 125mm |
| Feb | 9°C | 0°C | 9 | 57mm |
| Mar | 13°C | 2°C | 11 | 139mm |
| Apr | 19°C | 8°C | 12 | 137mm |
| May | 23°C | 12°C | 10 | 60mm |
| Jun | 29°C | 17°C | 8 | 85mm |
| Jul | 32°C | 21°C | 15 | 96mm |
| Aug | 29°C | 19°C | 11 | 135mm |
| Sep | 26°C | 16°C | 10 | 101mm |
| Oct | 21°C | 10°C | 5 | 23mm |
| Nov | 14°C | 4°C | 6 | 71mm |
| Dec | 8°C | 1°C | 12 | 134mm |
Weather data by Open-Meteo.com
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