Weather in Philadelphia in April 2025
Average weather
Average temperature in Philadelphia in April
The temperature in April is +21°C on average, with a range between a maximum of +31°C during the day and a minimum of +4°C at night.
The average maximum temperature goes down 19% by the end of the month, compared with the beginning of the month, from +21°C to +16°C.
Is Philadelphia warm or cold in April?
Philadelphia is typically mild in April.
Maximum temperatures go up compared to the previous month from +12°C to +18°C. The minimum temperature also goes up from +2°C to +8°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how April is compared to other months in Philadelphia:
Climate in Philadelphia in April
| March | April | May | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +12°C | +18°C | +23°C | ||||
| Min. temperature | ||||||
| -16°C | -6°C | +1°C | ||||
| Max. temperature | ||||||
| +31°C | +35°C | +36°C | ||||
| Rainfall | ||||||
| 84 mm | 97 mm | 99 mm | ||||
| Wind | ||||||
| 4 m/s | 3 m/s | 3 m/s | ||||
| Humidity | ||||||
| 62% | 62% | 66% | ||||
| Air pressure | ||||||
| 1016 HPa | 1014 HPa | 1015 HPa | ||||
| Sunny days | ||||||
| 5 | 5 | 4 | ||||
| Cloudy days | ||||||
| 12 | 10 | 11 | ||||
| Rainy days | ||||||
| 11 | 15 | 15 | ||||
| Snowy days | ||||||
| 3 | 0 | 0 | ||||
April often has better weather than March. It’s getting warmer as April arrives. The average maximum temperature goes up from +12°C to +18°C during the day. Prepare for more rain. Average rainfall goes from 84 mm to 97 mm. Humidity levels don’t change as the month goes on, averaging around 62%. Winds are calmer in comparison to March, going down from 4 m/s to 3 m/s on average. The amount of sunny days stay about the same, averaging 5 sunny days during the month.
May brings much the same weather, it remains good.
Wind
The average wind speed is 4 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Philadelphia is gradually decreasing during April, going from 6 m/s to 3 m/s over the course of the month.
Rain
How was the weather last April in Philadelphia?
Climate Change over Years
The climate in Philadelphia in April has not changed much over the last 43 years.
The average temperature was the lowest in 1996 (+17°C) and the highest in 2012 (+20°C). The driest year was 2001 with only 685 mm of rainfall, and the wettest year was 2023 with 1758 mm.
FAQ
Is April a good time to visit Philadelphia?
Can you sunbathe in Philadelphia in April?
Is Philadelphia rainy in April?
Is it sunny in Philadelphia in April?
Other cities in USA
Monthly weather in Philadelphia
Source of the data
For this page, we’ve looked at the typical weather in Philadelphia, based on historical hourly weather data from January 1, 1979, to December 31, 2022.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.