Rainy days · Pennsylvania
How often does it rain in Philadelphia?
Philadelphia’s rain gets the same warm welcome as the visiting team’s fans.
Philadelphia gets measurable rain or snow on about 121 days a year, adding up to about 44 inches.
November usually brings Philadelphia about 9 wet days and 2.9 inches. The wettest month is usually January, with about 11 wet days, and the driest is November, with about 9 wet days. That makes Philadelphia number 51 of the 129 US cities we track, rainiest first.
Last updated
No rain in the forecast for the next 48 hours.
Live 48-hour check from OpenWeatherMap, refreshed about every half hour. Alerts from the National Weather Service.
Rainy days, month by month
| Month | Wet days | Inches |
|---|---|---|
| January | 11 | 3.1 |
| February | 10 | 2.8 |
| March | 11 | 4.0 |
| April | 11 | 3.5 |
| May | 11 | 3.3 |
| June | 10 | 4.0 |
| July | 10 | 4.4 |
| August | 9 | 4.3 |
| September | 9 | 4.4 |
| October | 9 | 3.5 |
| November | 9 | 2.9 |
| December | 11 | 4.0 |
Cities with about as many rainy days
- Rockford, Illinois: about 121 wet days a year
- Orlando, Florida: about 121 wet days a year
- Baltimore, Maryland: about 121 wet days a year
Source: NOAA daily precipitation records for the Philadelphia area, 1991 to 2020 (at least 30 complete years behind every month), via the Applied Climate Information System. A wet day here means at least a hundredth of an inch of rain or melted snow.