Philadelphia, PA weather in April
In April, Philadelphia sees highs around 65°F and lows around 44°F: cool, with frequent rain. There are about 11 days with rain. Good for outdoor plans.
- Normal high
- 65°F
- Normal low
- 44°F
- Wet days
- 11
- 3.5 in total
- Muggy days
- 0
- dew point 65°F+
How April changes from start to finish
| April 1 | April 30 | |
|---|---|---|
| Normal high | 59°F | 70°F |
| Normal low | 39°F | 49°F |
| Chance of a wet day | 36% | 36% |
| Sunrise / sunset | 6:44 am / 7:24 pm | 6:01 am / 7:53 pm |
| Daylight | 12.7 h | 13.9 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical April day
- 6 am48°Fdew point 39°F
- 9 am54°Fdew point 39°F
- Noon60°Fdew point 39°F
- 3 pm63°Fdew point 39°F
- 6 pm60°Fdew point 38°F
- 9 pm54°Fdew point 39°F
NOAA hourly normals (local standard time) from Philadelphia Intl Airport (7 mi away); average wind 10 mph; clear or few clouds in 54% of daytime hours, mostly cloudy or overcast in 41%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F13 of 30
- Hot dayshigh 90°F or more0 of 30
- Muggy daysdaily mean dew point 65°F or more0 of 30
- Wet daysat least 0.01 in of rain or melted snow11 of 30
- Notable rainat least 0.10 in6 of 30
- Freezing nightslow 32°F or below1 of 30
- Snow on the groundsnow depth 1 in or more0 of 30
Average days per April, counted from daily records for each year 1991-2020.
Rain and snow in April
Normal precipitation is 3.5 in; a dry April brings about 2.4 in and a wet one about 4.0 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more. Normal snowfall is 0.3 in.
How April varies from year to year
- Warmest April, 1991-20201994: average high 70°F
- Coolest April2007: average high 60°F
- Wettest April2007: 9.1 in
- Driest April1992: 1.3 in
- Highest reading95°F (April 17, 2002)
- Lowest reading27°F (April 5, 1995)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
April compared with March and May
| March | April | May | |
|---|---|---|---|
| Normal high | 53°F | 65°F | 74°F |
| Normal low | 34°F | 44°F | 54°F |
| Wet days | 11 | 11 | 11 |
| Comfortable days | 4 | 13 | 16 |
| Daylight | 12.0 h | 13.3 h | 14.4 h |
Highs change by +12°F from March and +9°F into May.
Nearby alternatives in April
- Warmer: Williamsburg, VA203 mi · high 70°F · 10 wet days
- Cooler: Stamford, CT114 mi · high 59°F · 11 wet days
How Philadelphia ranks in April
- Normal high219th warmest of 378 cities; 1st of 4 in Pennsylvania
- Wet days254th driest of 378
- Comfortable days144th most of 340
What to pack for Philadelphia in April
- A rain jacket or umbrella – rain on about 11 days
Heating and cooling
April has 330 heating degree days and 15 cooling degree days (base 65°F), 6% of the year's total heating and cooling demand.
Questions
How cold is Philadelphia in April?
The normal high is 65°F and the normal low is 44°F. From 1991 to 2020 the coldest April reading was 27°F (April 5, 1995).
Does it rain a lot in Philadelphia in April?
About 11 days in April have at least 0.01 in of precipitation, and the normal total is 3.5 in. The wettest April in 1991-2020 was in 2007 (9.1 in); the driest was in 1992 (1.3 in).
Does it snow in Philadelphia in April?
Yes. Normal snowfall in April is 0.3 in.
Is April a good time to visit Philadelphia?
April ranks 2nd of 12 months on our comfort score for Philadelphia (67 out of 100). It has about 13 comfortable days. The best month is May.
Where the numbers come from
- Temperature, rain, snowfall, snow depth and humidity and wind by hour: Philadelphia Intl Airport (USW00013739), 6.8 mi SSW of the city center, 10 ft . NOAA normals and daily records, 1991-2020.
- Frost dates: Phila Franklin Inst (USC00366886), 0.6 mi NW of the city center, 60 ft . NOAA normals and daily records, 1991-2020.
- Cloud cover: Philadelphia Ne Airport (USW00094732), 12 mi NE of the city center, 100 ft (65 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Philadelphia International Airport (724080-13739), 6.4 mi SSW of the city center, 7 ft . Hourly observations, 1991-2020.