Last updated: February 24, 2025
April in Philadelphia offers a dynamic weather experience, showcasing a wide temperature range with maximums reaching 32°C (89°F), while averages settle around a more moderate 12°C (55°F). The month can start off crisp, with minimum temperatures dropping to -2°C (29°F), creating a diverse climate that keeps residents and visitors on their toes. Precipitation is noteworthy, with 105 mm (4.1 in) of rain over approximately 11 days, contributing to the region's lush spring greenery. Coupled with a high humidity level of 81%, April serves as a transitional month, heralding warmth while reminding us of winter's recent grip.
In April, Philadelphia experiences a notable transition as winter's chill gives way to the warming embrace of spring. With minimum temperatures around -2°C (29°F) and average highs reaching 32°C (89°F), the city starts to warm up considerably compared to the preceding months. This month offers a delightful average temperature of 12°C (55°F), setting the stage for outdoor activities and blooming flowers. As the days lengthen, residents and visitors alike can enjoy the mild weather, which marks the beginning of a steady upward trend in temperatures leading into the warmth of summer. Overall, April's climate showcases a refreshing shift, highlighting Philadelphia's vibrant seasonal changes.
April in Philadelphia sees a steady rhythm of precipitation, contributing 105 mm (4.1 inches) of rain over 11 days. This rainfall is slightly lower than March's totals but maintains a similar pattern, as both months tend to share comparable precipitation amounts and frequency. The arrival of April marks the transition from the wetter winter months, where February and March recorded higher totals of 108 mm (4.3 in) and 107 mm (4.2 in) respectively. As spring unfolds, the rainfall supports blossoming flora, making April a vital month in the seasonal cycle. The consistent precipitation in Philadelphia not only heralds the transition to warmer weather but also lays the groundwork for May's peak rainfall, where an increase to 133 mm (5.2 in) is observed, along with a rise in rainy days to 14. Each drop from April to May enhances the vibrant landscape, reinforcing the city’s characteristic charm during this beautiful time of year.
In April, Philadelphia experiences a slight dip in humidity, averaging 81%, in contrast to the consistently high levels seen in the winter months. This reduction signals the transition into spring, as humidity levels begin to decline from their peak in the earlier months of the year, particularly January and February, where they hover around 84% and 83%. As the city moves into May, the trend continues, with humidity dropping further to 78%. This gradual decrease not only enhances outdoor comfort but also sets the stage for the warmer, sunnier days ahead, making April a refreshing reprieve from the damp chill of winter.
As April arrives in Philadelphia, residents can expect a notable uptick in sun intensity, with the UV Index soaring to 9, categorizing it as very high. This marks a significant leap from the UV Index of 6 in March, indicating a shift towards stronger sun exposure and a reduced burn time of just 15 minutes for fair-skinned individuals. With the arrival of April, sun safety becomes increasingly vital as the risk of skin damage escalates. As summer approaches, it’s essential to stay vigilant, especially with May and June looming on the horizon, each maintaining a UV Index of 10. To learn more about UV trends and protection measures in the City of Brotherly Love, visit Philadelphia UV Index.
UV Risk Categories
April in Philadelphia greets residents with a refreshing burst of sunshine, totaling 246 hours of glorious daylight. This increase continues the upward trend seen since January, with each month showing an impressive leap in sunlight. While January starts with a modest 144 hours, March showcases a significant rise to 245 hours, setting the stage for the arrival of spring and its longer days. As April blooms, it not only surpasses March but also hints at the forthcoming abundance of sunshine in May—273 hours await just around the corner. The gradual ascent of sunlight hours through the seasons creates a vivid tapestry of light and warmth, igniting the city's parks and streets as Philadelphians welcome the beauty of longer, brighter days.
When considering the likelihood of sunny weather in April in Philadelphia, it’s interesting to note the trends in the preceding months. April showcases a 44% chance of sunshine, which is quite comparable to January's 45% but notably lower than March's 55%. This trend highlights the region's transition from the more variable spring weather to the warmer and sunnier days of May, which drops slightly to 40%. As the year progresses, the chance of sun fluctuates, peaking in September at 52% and experiencing a dip in the midsummer months, particularly in August at 33%. Thus, April's weather creates a pleasant balance, hinting at the approaching summer while still holding onto spring's unpredictability.
As April arrives in Philadelphia, residents can bask in the increased daylight that marks a clear shift towards spring. With 13 hours of sunlight, April represents a significant leap from the 11 hours experienced in March, signaling longer days and more opportunities for outdoor activities. This progressive trend continues as the city moves into May and June, where daylight peaks at 14 hours, before gradually tapering off through the summer and into autumn. The transition from just 9 hours in the depths of winter highlights the comforting progression towards longer days, inviting Philadelphians to enjoy the vibrant emergence of nature and the warmth of the season.
In April, Philadelphia experiences a gentle caress of wind, averaging 3.5 m/s (8 mph), which mirrors the similar breezes felt in February and March. This consistent wind speed hints at a transitionary phase in spring, where the refreshing air dances through blooming trees and the vibrant streets. As the month progresses, the wind begins to taper off slightly, echoing the trend toward calmer winds that becomes more pronounced in the summer months of June (2.7 m/s) and July (2.3 m/s). Notably, April serves as a bridge from the brisk days of winter to the softer summer breezes, inviting Philadelphians to embrace the outdoors before the heat sets in.
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 in Philadelphia exhibit stark contrasts in weather conditions. April brings milder temperatures with a notable minimum of -2°C (29°F) and an average of 12°C (55°F), peaking at a warm 32°C (89°F). It also experiences higher precipitation levels, totaling 105 mm (4.1 in) over about 11 days, accompanied by an average humidity of 81%. In comparison, January is markedly colder, with temperatures ranging from a minimum of -17°C (1°F) to an average of 2°C (36°F), and a maximum of 20°C (68°F). This month sees less precipitation at 63 mm (2.5 in) over roughly 9 days, along with a slightly higher humidity of 84%. For a detailed look at January conditions, check out Philadelphia weather in January.
April generally brings milder temperatures compared to February, with average highs reaching 12°C (55°F) and maximums soaring to 32°C (89°F), compared to February's typical highs of 4°C (39°F) and a maximum of 26°C (78°F). Despite both months experiencing similar levels of precipitation, with April receiving 105 mm (4.1 in) and February 108 mm (4.3 in), April tends to feel more humid at 81% compared to February's 83%. The transition from the depths of winter in February to the warmth of spring in April highlights the distinct seasonal changes, making April feel much more temperate and inviting. For more details on February's weather in Philadelphia, you can check Philadelphia weather in February.
April weather shows a significant warming trend compared to March, with average temperatures rising from 7°C (44°F) in March to 12°C (55°F) in April. While March experienced a minimum temperature of -11°C (12°F), April's coldest temperature was notably milder at -2°C (29°F). Both months saw similar precipitation levels, with April receiving 105 mm (4.1 in) over 11 days and March slightly higher at 107 mm (4.2 in) over 10 days. Humidity levels remained relatively stable, with April at 81% and March slightly higher at 83%. For more detailed insights, you can visit Philadelphia weather in March.
April and May present notable differences in weather patterns. In April, temperatures range from a minimum of -2°C (29°F) to a maximum of 32°C (89°F), with an average of 12°C (55°F), while May sees a rise in average temperature to 18°C (65°F), with a minimum of 2°C (35°F) and a peak of 35°C (95°F). Precipitation in April measures 105 mm (4.1 in) over 11 days, slightly lower than May's 133 mm (5.2 in) over 14 days, indicating that May tends to be rainier. Humidity also slightly decreases in May to 78% from April's 81%. For a deeper dive into May weather specifics, check out Philadelphia weather in May.
April and June present distinctly different weather patterns. In April, temperatures range from a chilly minimum of -2°C (29°F) to an average of 12°C (55°F) and can peak at a warm 32°C (89°F). This month experiences 105 mm (4.1 in) of precipitation over 11 days, coupled with a high humidity level of 81%. In contrast, June boasts significantly warmer conditions, with minimum temperatures of 10°C (50°F), an average of 23°C (74°F), and maximum temperatures reaching 36°C (98°F). Interestingly, June has a similar amount of precipitation, at 102 mm (4.0 in) over 11 days, but a slightly lower humidity of 79%. For more insights, you can check out Philadelphia weather in June.
April and July present significantly different weather experiences. In April, temperatures can vary widely, ranging from a chilly minimum of -2°C (29°F) to a maximum of 32°C (89°F), with an average of 12°C (55°F). This month sees considerable precipitation, totaling 105 mm (4.1 in) over about 11 days, and high humidity levels at 81%. Conversely, July offers a warmer climate with minimum temperatures around 14°C (58°F) and a comfortable average of 26°C (79°F), peaking at a sweltering 37°C (99°F). While July experiences slightly more precipitation at 131 mm (5.2 in) over 13 days, the humidity drops to a more pleasant 74%. For more detailed information, check out Philadelphia weather in July.
April and August in Philadelphia present quite contrasting weather patterns. April typically experiences cooler temperatures, with lows plunging to -2°C (29°F) and an average of 12°C (55°F), while August is much warmer, with minimum temperatures of 14°C (58°F) and an average of 25°C (77°F). Precipitation in April averages 105 mm (4.1 in) over 11 days, indicating a wetter spring, whereas August sees slightly more rain at 134 mm (5.3 in) across 14 days, though the humidity is lower at 72% compared to April's 81%. For a detailed overview of August in Philadelphia, you can check out Philadelphia weather in August.
April and September exhibit noticeable differences in weather patterns. In April, temperatures can dip as low as -2°C (29°F) at night, while averaging around 12°C (55°F) and peaking at 32°C (89°F) during the day. The month experiences about 105 mm (4.1 in) of precipitation over 11 days, combined with relatively high humidity at 81%. In contrast, September features milder conditions, with minimum temperatures of 6°C (44°F) and average highs reaching 22°C (71°F), peaking at a warmer 35°C (95°F). Precipitation is slightly lower at 93 mm (3.7 in) across 10 days, and the humidity decreases to 75%. For more details, you can visit Philadelphia weather in September.
April and October in Philadelphia showcase distinct yet somewhat comparable weather patterns. In April, temperatures range from a chilly minimum of -2°C (29°F) to a warm maximum of 32°C (89°F), with an average of 12°C (55°F). The month sees about 105 mm (4.1 in) of precipitation over 11 days, maintaining a high humidity level of 81%. Conversely, October experiences slightly higher average temperatures, with a minimum of 2°C (37°F) and a maximum of 35°C (96°F), accompanied by an average of 16°C (61°F). The precipitation remains similar at 106 mm (4.2 in), but it occurs over fewer days, with just 9 days of rain. Both months share a consistent humidity level of 81%, making the weather in both months feel similarly damp. For more information about October's climate, visit Philadelphia weather in October.
April and November showcase contrasting weather conditions. In April, temperatures range from a chilly minimum of -2°C (29°F) to a warm maximum of 32°C (89°F), with an average of 12°C (55°F). This month typically sees about 105 mm (4.1 in) of precipitation over 11 days, accompanied by relatively high humidity at 81%. In comparison, November presents cooler temperatures, with a minimum of -8°C (18°F) and an average high of 25°C (77°F), averaging around 8°C (47°F). Precipitation is lower in November at 83 mm (3.3 in) over 8 days, while humidity rises slightly to 85%. For more details on November's weather, you can check Philadelphia weather in November.
April and December showcase contrasting weather patterns, with April generally offering milder temperatures compared to the chill of December. In April, temperatures can range from a brisk -2°C (29°F) at night to a warm average of 12°C (55°F) during the day, with the potential to peak at 32°C (89°F). In contrast, December tends to be much colder, with minimum temperatures dropping to -12°C (10°F) and an average of only 4°C (40°F), reaching a maximum of 19°C (67°F). Despite April experiencing slightly more precipitation at 105 mm (4.1 in) over 11 days, December remains close behind with 100 mm (4.0 in) over 10 days. Both months maintain high humidity levels, with December at 84% compared to April's 81%. For more details on the weather in December, visit Philadelphia weather in December.
As April unfolds in Philadelphia, the weather showcases a vibrant transition from the chill of winter to the promising warmth of spring. Temperatures in April present a remarkable contrast, with an average that begins to rise, peaking at moderate highs that awaken the city’s outdoor spirit. Despite the refreshing mildness, April is also marked by significant precipitation, reminding us that spring showers are a staple of the season, occurring over several days. This month’s elevated humidity adds to the lush ambiance, setting the stage for blooming flowers and greener landscapes. To explore more about the climate nuances throughout the year, be sure to check out Philadelphia Climate.