Last updated: February 24, 2025
April in Philadelphia, United States, showcases a diverse climate that transitions from the chill of winter to the embrace of spring. The month experiences maximum temperatures peaking at 30°C (86°F), while the average temperature hovers around a cool 7°C (44°F). In contrast, chilly nights can dip to a minimum of -7°C (19°F). This variability is accompanied by significant precipitation, totaling 130 mm (5.1 in) across approximately 14 days, contributing to the city's signature springtime humidity, which averages a notable 82%. As flowers bloom and nature awakens, April truly embodies the dynamic beauty of Philadelphia's seasonal transformation.
As April unfolds in Philadelphia, a significant transformation in temperatures marks the arrival of spring. The month begins with minimums dipping to -7°C (19°F), but quickly escalates to an average of 7°C (44°F), offering a welcome respite from the biting cold of winter. By mid-month, temperatures can soar to a maximum of 30°C (86°F), showcasing the stark contrast between the season's chilly beginnings and its warm, sun-soaked days. This dramatic shift not only reflects the seasonal transition but also invites residents and visitors alike to embrace the outdoors as the city awakens from its winter slumber, presenting a vibrant tapestry of blooming flowers and bustling parks.
April marks a notable shift in precipitation levels for Philadelphia, with an average of 130 mm (5.1 in) of rain spread over 14 days, making it the wettest month so far in the year. This significant uptick from March's 88 mm (3.5 in) illustrates the arrival of spring, as the city transitions into a season characterized by increased rainfall and blooming landscapes. The higher rainfall in April often sets the stage for more vibrant flora, while also delivering a refreshing change from the drab winter months. As we move into May, precipitation levels decrease to 104 mm (4.1 in), suggesting that while April may be drenched, the coming month begins to dry out, hinting at the forthcoming warmth and summer vibes. The trend signifies not only a seasonal transformation but also a shifting rhythm in the weather patterns of this historic city.
In April, Philadelphia experiences a noticeable dip in humidity, averaging 82%, a decrease from the preceding months of winter and early spring where humidity levels linger around a high 93% and 86%. This drop signals a transition into the milder months, as humidity continues to decline leading into May with 75%. The gradual decrease not only makes the city feel more comfortable but also sets the stage for warmer summer days ahead. As the year progresses, this trend continues, showcasing Philadelphia's shift from a humid winter landscape to a drier, breezier atmosphere, especially as the summer months approach.
As April rolls into Philadelphia, the UV Index soars to 8, signaling a very high risk of harm from unprotected sun exposure. This marks a significant leap from the previous months, where the UV levels were relatively low to moderate, with January's Index at just 2 and March's peaking at 5. With a burn time of only 15 minutes this month, it's crucial for residents to be vigilant about sun safety as outdoor activities increase. The trend indicates a swift transition into summer conditions, as May follows closely with an even higher UV Index of 9. To stay informed and protect yourself, check the detailed UV Index forecast for Philadelphia at Philadelphia UV Index.
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April in Philadelphia ushers in a radiant spring, with 225 hours of sunshine illuminating the city. This marks a slight increase from March's 223 hours, signaling a rejuvenation as flowers bloom and temperatures rise. As the days grow longer, Philadelphians can bask in the warmth, anticipating the even sunnier months ahead. May follows with a notable leap to 273 hours, showcasing a clear trend of increasing sunlight as the season transitions, paving the way for outdoor activities and vibrant street life. The upward trajectory continues into the summer months, peaking in July with 339 hours, before gradually tapering off as autumn approaches. The trend reveals not just an embrace of sunny days, but a collective anticipation of the joy and vitality that spring and summer bring to the city.
As April unfolds in Philadelphia, residents can expect a moderate chance of sunny weather, with about 36% likelihood of clear skies. This reflects a slight dip from March's brighter outlook at 46%, hinting at the transitional nature of spring. However, April stands out when compared to the colder months of January and February, which linger around 24% and 26%, respectively. Following April, the chances of sunshine rebound in May, climbing to 43%, hinting at the arrival of more consistent warmth and brightness. Overall, while April may present a mixed bag for sun lovers, it also signals the shift towards sunnier days as spring progresses.
As spring unfolds in Philadelphia, the duration of daylight experiences a remarkable increase, with April offering an invigorating 13 hours of sunlight. This is a noticeable leap from the 11 hours in March, signaling the approach of sunnier days ahead. Following the winter months, where January saw just 9 hours, each successive month brings a steady climb in daylight, culminating in the longest days of June and July at 15 hours. However, as summer wanes into August and September, daylight begins its gentle retreat, echoing the cyclical nature of the seasons. This pattern not only brightens the city but also encourages a wealth of outdoor activities, making April a vibrant time for Philadelphians to bask in the long, sunny days.
In April, Philadelphia experiences a gentle breeze with an average wind speed of 3.0 m/s (7 mph), echoing the city's mild transition into spring. While this speed is consistent with May's winds, it marks a slight dip from the slightly blustery conditions seen in March. Comparing the seasons reveals a fascinating pattern: after the lively gusts of winter and early spring, April's winds mellow, creating a tranquil atmosphere perfect for enjoying the city's vibrant outdoor scene. As the temperatures rise in June, the winds pick up again, highlighting the natural ebb and flow of Philadelphia's climate throughout the year.
The weather in Philadelphia changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of April's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Philadelphia and find detailed weather information for every month.
April and January offer stark contrasts in weather. In April, temperatures range from a minimum of -7°C (19°F) to a pleasant maximum of 30°C (86°F), averaging around 7°C (44°F). The month also experiences significant precipitation, totaling 130 mm (5.1 in) over approximately 14 rainy days, with humidity sitting at 82%. In contrast, January is much colder, with temperatures dipping down to -33°C (-27°F) and peaking at just 14°C (58°F), resulting in an average of -6°C (22°F). January also sees lower precipitation at 86 mm (3.4 in) over 12 days, though humidity is slightly higher at 93%. For more insights on winter conditions, check out Philadelphia weather in January.
April generally presents a much milder and warmer climate compared to February. While February experiences colder temperatures with a minimum of -27°C (-16°F) and an average of -4°C (25°F), April sees a significant rise, with temperatures ranging from a minimum of -7°C (19°F) to a maximum of 30°C (86°F). Additionally, April receives more precipitation, totaling 130 mm (5.1 in) over 14 days, compared to February's 84 mm (3.3 in) across 12 days. However, February has a slightly higher humidity level at 93%, compared to April's 82%. For more details on February weather, visit Philadelphia weather in February.
April weather shows a significant warming trend compared to March, with temperatures ranging from a minimum of -7°C (19°F) to a maximum of 30°C (86°F), while March experiences much colder conditions, with a minimum of -22°C (-7°F) and a maximum of 21°C (70°F). The average temperature in April is 7°C (44°F), a notable increase from March's average of 0°C (32°F). However, April also sees increased precipitation, accumulating to 130 mm (5.1 in) over 14 days, compared to March's 88 mm (3.5 in) over 12 days. Humidity remains relatively high in both months, with April at 82% and March slightly higher at 86%. For more specifics on March's weather in the city, you can refer to Philadelphia weather in March.
April's weather showcases a wide range of temperatures, with a minimum of -7°C (19°F) and a maximum of 30°C (86°F). The month experiences significant precipitation, totaling 130 mm (5.1 in) over 14 days, accompanied by high humidity at 82%. In contrast, May brings milder conditions, featuring a minimum temperature of -2°C (29°F) and a higher average of 14°C (57°F), peaking at 32°C (90°F). May sees slightly less precipitation at 104 mm (4.1 in) over 13 days, and the humidity drops to a more comfortable 75%. For more information, check out Philadelphia weather in May.
April and June present notable differences in weather patterns. In April, temperatures fluctuate more dramatically, ranging from a chilly minimum of -7°C (19°F) to a warm maximum of 30°C (86°F), with an average of 7°C (44°F). The month is characterized by higher humidity at 82% and significant precipitation, totaling 130 mm (5.1 in) over about 14 days. In contrast, June sees a more stable temperature range with a minimum of 3°C (38°F) and a maximum of 32°C (90°F), alongside a warmer average of 19°C (66°F). Precipitation is slightly less at 104 mm (4.1 in), spread over 13 days, and the humidity drops to a more comfortable 68%. For more insights, you can check Philadelphia weather in June.
April and July present quite a contrast in weather conditions. In April, temperatures can fluctuate significantly, ranging from a chilly minimum of -7°C (19°F) to a warm maximum of 30°C (86°F), with an average of 7°C (44°F). The month is characterized by high humidity at 82% and substantial precipitation, with around 130 mm (5.1 in) falling over 14 days. In contrast, July boasts milder nighttime temperatures with a minimum of 9°C (49°F) and a much warmer average of 22°C (72°F), peaking at 35°C (95°F). While July sees slightly higher rainfall at 137 mm (5.4 in) over the same number of days, its lower humidity level of 69% allows for a more comfortable heat. For more insights into July weather, you can check Philadelphia weather in July.
April and August present quite differing weather patterns. In April, temperatures can dip as low as -7°C (19°F) while averaging at 7°C (44°F), with a maximum reaching 30°C (86°F). The month is also characterized by significant precipitation, totaling 130 mm (5.1 in) across 14 days and accompanied by high humidity levels of 82%. In contrast, August typically showcases milder conditions, with temperatures ranging from a minimum of 7°C (44°F) to an average of 21°C (70°F), peaking at 31°C (89°F). Although it experiences fewer precipitation levels at 106 mm (4.2 in) over the same number of rainy days, the humidity drops to a more comfortable 67%. For a detailed overview, check out Philadelphia weather in August.
April and September present distinct weather patterns, each with its own unique characteristics. In April, temperatures can range significantly from a chilly minimum of -7°C (19°F) to a warm 30°C (86°F), averaging around 7°C (44°F). The month is also marked by higher precipitation, with about 130 mm (5.1 inches) spread over approximately 14 days, and a humidity level of 82%. In contrast, September features a milder temperature range, with minimums of 0°C (33°F) and maximums reaching 32°C (89°F), averaging at 17°C (62°F). Precipitation decreases to 75 mm (3.0 inches) over just 9 days, and humidity also drops to 72%. These differences highlight how April tends to be wetter and more variable, while September offers a more stable and pleasant climate. For more details, check Philadelphia weather in September.
April and October present distinct weather patterns, each with its unique characteristics. In April, temperatures can range from a chilly -7°C (19°F) to a warm 30°C (86°F), with an average of 7°C (44°F). The month experiences about 130 mm (5.1 in) of precipitation over 14 days, along with a high humidity level of 82%. Conversely, October sees milder temperatures, with a range from -3°C (26°F) to 26°C (80°F) and an average of 11°C (52°F). Precipitation increases slightly to 160 mm (6.3 in), also spread over 14 days, accompanied by a similar humidity level of 83%. The transition from April to October showcases a movement from the unpredictability of spring to the crispness of fall. For more detailed insights, check out Philadelphia weather in October.
April and November present quite different weather experiences. In April, temperatures range from a chilly -7°C (19°F) at night to a warm 30°C (86°F) during the day, offering a significant temperature variation with an average of 7°C (44°F). The month sees about 130 mm (5.1 in) of precipitation spread over 14 days, and humidity levels hover around 82%. In contrast, November is generally colder, with minimum temperatures dipping to -15°C (6°F) and a daytime high reaching 22°C (73°F), resulting in an average temperature of 3°C (37°F). Precipitation is slightly lower at 119 mm (4.7 in), also distributed across 14 days, and humidity is somewhat higher at 88%. For more detailed information about weather in November, you can check Philadelphia weather in November.
April and December present stark contrasts in weather patterns. In April, temperatures range from a chilly -7°C (19°F) at their lowest to a pleasant 30°C (86°F) at their warmest, with an average of 7°C (44°F). This month experiences considerable precipitation of 130 mm (5.1 in) over about 14 days, coupled with high humidity at 82%. Conversely, December is much colder, with temperatures reaching a minimum of -27°C (-17°F) and a maximum of 16°C (61°F), averaging -2°C (28°F). Precipitation in December is slightly lower at 98 mm (3.8 in) across 13 days, while humidity is higher at 89%. For more detailed insights, you can check Philadelphia weather in December.
April in Philadelphia marks a notable transition from the residual cold of winter to the warmer embrace of spring. With temperatures climbing significantly compared to the chill of March, the month brings a refreshing blend of mild days and occasional cool nights, making it a favorite for many outdoor enthusiasts. However, it also carries a fair share of spring showers, contributing to higher humidity levels and a notable increase in precipitation days. This combination can create a dynamic and sometimes unpredictable weather pattern, setting April apart from the more stable climates of preceding and following months. For more insights into how this month fits into the broader context of the city's weather patterns, visit Philadelphia Climate.