Philadelphia Weather in April
With daytime temperatures of 19°C (66°F) and nighttime lows of 8°C (46°F), April in Philadelphia brings pleasant temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 103 mm (4.1 in) falls on average.
Rainfall in Philadelphia in April
Typically, about 12 days will experience rainfall, with an average of 103 mm (4.1 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Philadelphia in April
Expect highs of 19°C (66°F) in Philadelphia in April, with nights dropping to around 8°C (46°F). The difference between afternoon and evening temperatures is usually noticeable. Nights drop to 8°C (46°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Philadelphia in April
The days are predominantly sunny, with an estimated total of around 219 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.
Average water temperature in April
At 8°C (46°F), the water is too cold for most people to swim comfortably. A wetsuit is pretty much essential if you plan to go in.For Philadelphia itself, May generally stands out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Philadelphia's climate page.
Philadelphia Temperature in April
Min Temperature
8°C (46°F)
Max Temperature
19°C (66°F)
Water Temperature
8°C (46°F)
Chance of Rain
40%
Precipitation
103 mm (4.1 in)
Rainy days
12 days
Humidity
61%
Sunshine
219 hours
Percentage Sunshine
55%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Philadelphia typically rise from around 15°C (59°F) at the start of April to approximately 20°C (68°F) by the end. Nights are cold, with lows typically ranging from 5°C (41°F) to 10°C (50°F).
Average temperatures in April
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in April
Historical weather for Philadelphia in April
Browse day-by-day weather records for Philadelphia spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Philadelphia historical weather extremes in April
The extremes listed below come from historical weather data collected in Philadelphia from 1976 through 2026.
- Philadelphia recorded its highest April temperature of 35°C (95°F) on April 17, 2002.
- Philadelphia registered its coldest April night on April 7, 1982, with temperatures dropping to -7°C (19°F).
Best Places in the United States of America in April
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in April →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Philadelphia in April
Pleasant temperatures in April mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. The water temperature sits at about 8°C (46°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Philadelphia in April
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Philadelphia's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Philadelphia climate overview or explore weather in the United States of America.
