Philadelphia weather by month
Average highs run from 41°F in January to 88°F in July, and January nights average 26°F. It gets 44 inches of rain and melted snow a year and 23 inches of snow. Expect about 30 days a year at 90°F or hotter. Nights drop below freezing about 77 times a year. The most comfortable months are April to June and August to October.
Best time to visit Philadelphia
For comfortable weather, go in April to June and August to October. In those months the average high stays between 62°F and 86°F, nights average 42°F or warmer, and rain stays under 4.5 inches for the month.
Month by month
| Month | High | Low | Precip. | Snow | Wet days | Days 90°F+ | Nights below 32°F | Feels |
|---|---|---|---|---|---|---|---|---|
| January | 41°F | 26°F | 3.1 in | 7.1 in | 6 | 0 | 23 | cold |
| February | 44°F | 28°F | 2.8 in | 8.4 in | 6 | 0 | 20 | cold |
| March | 53°F | 34°F | 4.0 in | 3.6 in | 7 | 0 | 12 | cool |
| April | 65°F | 44°F | 3.5 in | 0.3 in | 6 | 0 | 1 | mild |
| May | 74°F | 54°F | 3.3 in | 0.0 in | 6 | 2 | 0 | mild |
| June | 83°F | 64°F | 4.0 in | 0.0 in | 7 | 6 | 0 | warm |
| July | 88°F | 70°F | 4.4 in | 0.0 in | 6 | 13 | 0 | hot |
| August | 86°F | 68°F | 4.3 in | 0.0 in | 6 | 8 | 0 | warm |
| September | 79°F | 61°F | 4.4 in | 0.0 in | 6 | 2 | 0 | warm |
| October | 67°F | 49°F | 3.5 in | 0.0 in | 6 | 0 | 0 | mild |
| November | 56°F | 39°F | 2.9 in | 0.2 in | 6 | 0 | 5 | cool |
| December | 46°F | 31°F | 4.0 in | 3.5 in | 7 | 0 | 17 | cold |
| Year | 65°F avg | 47°F avg | 44.1 in | 23.1 in | 73 | 30 | 77 |
"Wet days" are days with at least 0.1 inch of precipitation. "Feels" is a plain-language label for the average high. Normals for 1991-2020 from NOAA NCEI, station Philadelphia Intl. Airport, PA (USW00013739), 10.3 miles from the city center. Averages describe typical conditions, not a forecast.
Sunrise, sunset and daylight in Philadelphia
The shortest day is December 21, with 9h 19m of daylight; the longest is June 21, with 15h 00m. The earliest sunset comes around December 5 (4:34 pm) and the latest around June 23 (8:33 pm). The sun sets after 8 pm on 99 days a year.
| On the 15th of | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:20 am | 4:59 pm | 9h 39m |
| February | 6:53 am | 5:36 pm | 10h 43m |
| March | 7:12 am | 7:07 pm | 11h 55m |
| April | 6:22 am | 7:38 pm | 13h 16m |
| May | 5:45 am | 8:08 pm | 14h 23m |
| June | 5:31 am | 8:30 pm | 15h 00m |
| July | 5:44 am | 8:28 pm | 14h 43m |
| August | 6:12 am | 7:56 pm | 13h 44m |
| September | 6:41 am | 7:08 pm | 12h 27m |
| October | 7:11 am | 6:20 pm | 11h 09m |
| November | 6:46 am | 4:43 pm | 9h 58m |
| December | 7:15 am | 4:35 pm | 9h 20m |
Calculated for 2026 at the center of Philadelphia with NOAA's solar equations, in local clock time (Eastern Time, including daylight saving time where it applies). Times shift by a minute or two from year to year.
Is Philadelphia getting warmer?
The last 10 years averaged 3.5°F warmer than the 20th century. See the climate stripes for Philadelphia.Frequently asked questions
What is the warmest month in Philadelphia?
July is the warmest month, with an average high of 88°F and an average low of 70°F (NOAA 1991-2020 normals).
What is the coldest month in Philadelphia?
January is the coldest, with average lows of 26°F and highs of 41°F.
What is the rainiest month in Philadelphia?
September gets the most precipitation, 4.4 inches on average. February is the driest at 2.8 inches.
Does it snow in Philadelphia?
Yes. Philadelphia averages 23 inches of snow a year.
When is the best time to visit Philadelphia?
For comfortable weather, April to June and August to October. Those months average highs between 62 and 86°F with lows of 42°F or more and modest rain.
Thinking of moving to Philadelphia?
See what homes, rent and everyday prices cost, who lives there and how it compares with nearby cities on the full Philadelphia profile.
Compare the weather: Philadelphia vs Wilmington, Philadelphia vs Trenton, Philadelphia vs Allentown, Philadelphia vs Bethlehem.