Last updated: February 24, 2025
October in Philadelphia offers a dynamic range of weather experiences, with temperatures fluctuating from a chilly minimum of 2°C (37°F) to a sizzling maximum of 35°C (96°F). On average, residents enjoy a mild temperature around 16°C (61°F), making it a month of transition. Rainfall is also a significant feature, with 106 mm (4.2 in) of precipitation spread across 9 days, contributing to an overall humidity level of 81%. This blend of warmth and moisture creates a vibrant, changing atmosphere as autumn takes hold in the city.
As October rolls into Philadelphia, the city experiences a crisp transition into fall, characterized by cooler temperatures that mark the shift from the warmth of summer. With minimums settling around 2°C (37°F) and average daily highs reaching a pleasant 16°C (61°F), residents enjoy a comfortable climate perfect for outdoor activities and foliage viewing. Although the October highs can spike to 35°C (96°F), the overall trend shows a notable decrease as the month progresses, foreshadowing the chillier months ahead. This blend of moderate temperatures offers a delightful backdrop for autumn festivities, making it a vibrant time in the city as nature dons its colorful cloak.
In October, Philadelphia experiences a moderate precipitation level, with an average of 106 mm (4.2 in) of rain falling over approximately 9 days. This amount aligns closely with the wetter months of May and July, showcasing a marked contrast to September's relatively drier conditions, which saw only 93 mm (3.7 in). Interestingly, October's rainfall is indicative of the transition to fall, where the city's weather begins to shift towards cooler temperatures and increased storm activity. As the month progresses, it's not uncommon for residents to notice the vibrant fall foliage intensified by the moisture, striking a balance between autumn charm and wet weather. Overall, October maintains a steady flow of precipitation, setting the stage for the winter months ahead.
As October unfolds in Philadelphia, the city's humidity levels settle at 81%, marking a slight increase from the drier late summer months of July and August, which saw humidity lows of 74% and 72%, respectively. This moderate rise aligns with the typical trend of autumn, where the humidity begins to creep back up following the warm summer season. Interestingly, October maintains a level of moisture similar to that of earlier spring months, such as April, which recorded 81% as well. As the days grow shorter and cooler, residents can expect the air to feel a bit more humid, paving the way for the higher moisture levels characteristic of late fall and winter. Overall, October serves as a transitional month, bridging the gap between the summer's dryness and the winter's stark humidity.
As October rolls into Philadelphia, the UV Index settles at a high level of 6, suggesting that while the sun's intensity is noticeably diminished from the peak summer months, caution is still warranted. With a burn time of 25 minutes, it's essential to be mindful of sun exposure, especially during midday when UV rays can be more potent. This month's UV Index reflects a steady decline from the summer's extremes, where readings reached a sweltering 10. Overall, Philadelphia experiences a transition towards cooler, more temperate conditions, yet autumn sun still requires its share of respect. For detailed information on the UV index trends throughout the year, check out Philadelphia UV Index.
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As October rolls into Philadelphia, the city experiences a gentle decline in sunshine, totaling 223 hours this month. This marks a striking contrast to the sun-drenched days of July, which boasted an impressive 346 hours of bright skies, and highlights the overall trend of shorter days as autumn advances. While October still enjoys abundant daylight, it’s nestled between the lush sunshine of late summer and the diminishing rays of November, which sees a slight drop to 221 hours. The transition from the vibrant warmth of May’s 273 hours to October's cozy ambiance underscores the seasonal shift. As the leaves begin to change, the soft golden sunlight of Philadelphia in October invites residents and visitors alike to savor the beauty of fall.
October in Philadelphia offers a moderate 38% chance of sunny weather, which is a slight dip from the preceding months. Following the relatively bright September, with its 52% likelihood of sunshine, October ushers in the crispness of autumn yet often brings more unpredictable weather. This month stands out when compared to the sunnier months of spring like March (55%) and November (55%), indicating a gradual transition towards colder, cloudier days. While the cooler temperatures set in, October still holds promise for pleasant sunny spells, making it a time of delightful fall scenery amidst the ever-changing skies.
As October arrives in Philadelphia, the city experiences a gentle decline in daylight, basking in approximately 11 hours of sunlight. This shift marks a transition from the vibrant, longer days of summer, where daylight peaked at 14 hours in June, July, and August. As the leaves begin to change, the balance of daylight and darkness becomes more pronounced, a transition that reflects the approaching winter months ahead. Following the comparatively bright days of September, which still offered 12 hours of sunlight, October serves as a reminder of nature's cyclical rhythm, leading seamlessly into the shorter days of November. This gradual change invites Philadelphians to relish the crisp autumn air while savoring the last lingering moments of daylight before winter sets in.
As October rolls into Philadelphia, residents experience a notable shift in the air with average wind speeds settling at 3.0 m/s (7 mph). This is in line with the previous month of September, signifying a gentle yet refreshing breeze that heralds the changing seasons. Interestingly, the wind patterns exhibit a downward trend in the summer months, peaking at 2.2 m/s in August before gradually picking up again in the fall. October's breezy conditions complement the vibrant autumn hues, making it an ideal time for strolls through the city's parks, where the crisp air invigorates the senses and enhances the beauty of the season. As winds remain consistent moving into November, it's clear that Philadelphia's October winds not only contribute to the charm of autumn but also foreshadow the cooler days ahead.
The weather in Philadelphia changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of October'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.
October and January present stark contrasts in weather patterns. In October, temperatures range from a minimum of 2°C (37°F) to a warm maximum of 35°C (96°F), with an average temperature of 16°C (61°F). The month typically sees 106 mm (4.2 in) of precipitation over about 9 days, combined with high humidity at 81%. In contrast, January experiences much colder temperatures, with a minimum of -17°C (1°F), an average of just 2°C (36°F), and a maximum of 20°C (68°F). The precipitation decreases to 63 mm (2.5 in) over the same 9 days, and humidity hovers slightly higher at 84%. For a more detailed look at winter weather, check out Philadelphia weather in January.
October and February present contrasting weather experiences, reflecting the transition between seasons. In October, temperatures range from a chilly 2°C (37°F) at night to a warm 35°C (96°F) during the day, with an average of 16°C (61°F). The month sees around 106 mm (4.2 in) of precipitation over approximately 9 days, contributing to a humidity level of 81%. In contrast, February is much colder, with temperatures dipping to as low as -15°C (5°F) and peaking at 26°C (78°F), averaging only 4°C (39°F). Despite similar precipitation levels—108 mm (4.3 in) over 11 days—February’s humidity is slightly higher at 83%, emphasizing the damp chill of winter. For more specific insights, you can check Philadelphia weather in February.
October and March present contrasting weather patterns. In October, temperatures range from a cool 2°C (37°F) to a warm 35°C (96°F), with an average of 16°C (61°F), while March experiences colder conditions, with minimum temperatures dipping to -11°C (12°F), and average highs reaching 28°C (83°F). Both months receive about the same level of precipitation—around 106 mm (4.2 in)—but October typically has 9 rainy days compared to March's 10. Additionally, humidity is slightly higher in March at 83%, compared to October's 81%. For a closer look at the weather conditions during March specifically, check out Philadelphia weather in March.
In comparing the weather between October and April, both months experience relatively similar humidity levels, hovering around 81%. However, October typically boasts warmer average temperatures, ranging from a minimum of 2°C (37°F) to a maximum of 35°C (96°F), while April's temperatures are cooler, with a minimum of -2°C (29°F) and a maximum of 32°C (89°F). Precipitation remains consistent, with October seeing 106 mm (4.2 in) over 9 days, compared to April's 105 mm (4.1 in) over 11 days. For a more detailed look at the weather specifics, you can visit Philadelphia weather in April.
When comparing the weather in October and May, both months experience similar temperature ranges, with minimums dipping around 2°C (35°F-37°F) and maximums reaching up to 35°C (95°F-96°F). However, May tends to be slightly warmer on average with temperatures around 18°C (65°F) compared to October's 16°C (61°F). Precipitation also differs, with October receiving 106 mm (4.2 in) over 9 days and May slightly wetter at 133 mm (5.2 in) over 14 days. Furthermore, humidity levels are marginally higher in October at 81%, while May enjoys a comfortable 78%. For more detailed information about the weather patterns, you can check out Philadelphia weather in May.
October and June display contrasting weather characteristics. In October, temperatures fluctuate between a minimum of 2°C (37°F) and a maximum of 35°C (96°F), with an average temperature of 16°C (61°F). The month sees approximately 106 mm (4.2 in) of precipitation, spread over about 9 days, with humidity levels reaching 81%. In contrast, June features milder conditions with minimum temperatures around 10°C (50°F) and maximums peaking at 36°C (98°F), averaging 23°C (74°F). Precipitation in June is slightly lower at 102 mm (4.0 in) over 11 days and a bit less humid at 79%. For more details on June weather, visit Philadelphia weather in June.
In comparing the weather of October and July, it becomes clear that July is generally warmer and more humid. In July, temperatures range from a minimum of 14°C (58°F) to a maximum of 37°C (99°F), with an average of 26°C (79°F). In contrast, October experiences a broader temperature range, with minimums dipping to 2°C (37°F) and maximums reaching up to 35°C (96°F), averaging around 16°C (61°F). Additionally, while both months see significant precipitation, July has slightly higher rainfall at 131 mm (5.2 in) over 13 days, compared to October's 106 mm (4.2 in) over 9 days. For a more detailed look at July's weather patterns, you can visit Philadelphia weather in July.
In comparing the weather between October and August, October shows a broader temperature range with minimums dropping to 2°C (37°F) while averages settle around 16°C (61°F). In contrast, August experiences more temperate conditions with minimums at 14°C (58°F) and an average temperature of 25°C (77°F). Both months can reach a maximum of 35°C (96°F), but August generally has a warmer feel overall. Precipitation is higher in August with 134 mm (5.3 in) over 14 days, compared to October's 106 mm (4.2 in) across 9 days. Additionally, October's humidity is higher at 81%, while August maintains a more comfortable 72%. For a detailed look at August's climate, visit Philadelphia weather in August.
In comparing the weather between October and September, we see a noticeable drop in minimum temperatures, with October's lows reaching 2°C (37°F) compared to September's milder 6°C (44°F). While the average maximum temperature remains similar, peaking at 35°C (95°F) in both months, October experiences a significant decrease in average temperature, dropping from 22°C (71°F) in September to 16°C (61°F). Additionally, October brings more precipitation, totaling 106 mm (4.2 in) over 9 days, whereas September had slightly less rain at 93 mm (3.7 in) over 10 days. The humidity also rises in October, averaging 81% compared to September's 75%. For more details on the weather patterns throughout September, you can check Philadelphia weather in September.
October and November present a stark contrast in weather patterns. In October, temperatures range from a cool minimum of 2°C (37°F) to a warm maximum of 35°C (96°F), averaging around 16°C (61°F). The month experiences about 106 mm (4.2 in) of precipitation over 9 days, with humidity levels at 81%. In comparison, November sees a drop in temperatures, with a minimum reaching -8°C (18°F) and an average of 8°C (47°F), while the maximum temperature is 25°C (77°F). Precipitation reduces to 83 mm (3.3 in) over just 8 days, and humidity slightly increases to 85%. For those interested in more detailed weather trends, check out Philadelphia weather in November.
In October, the weather in Philadelphia is characterized by a wide temperature range, with minimums around 2°C (37°F) and maximums reaching up to 35°C (96°F), averaging 16°C (61°F). This month experiences significant precipitation of 106 mm (4.2 in) over approximately 9 days and a humidity level of 81%. In contrast, December sees a more frigid climate, with temperatures dropping to a minimum of -12°C (10°F) and averaging at 4°C (40°F), with maximums peaking at 19°C (67°F). Precipitation in December is slightly lower at 100 mm (4.0 in) over about 10 days, and humidity increases to 84%. For a more detailed overview of December weather, you can check Philadelphia weather in December.
October in Philadelphia marks a significant transition as summer's warmth gives way to the crispness of fall. With average temperatures settling around 16°C (61°F), the city experiences a delightful mix of cooler mornings and pleasantly mild afternoons. While the maximum temperature can still soar to a summery 35°C (96°F), the minimum dips to a refreshing 2°C (37°F), reminding residents of the impending winter chill. The month also sees a notable increase in precipitation, averaging 106 mm (4.2 in) over nine days, contributing to the rich autumnal colors. Coupled with humidity levels at 81%, October weather is a refreshing change from the sticky heat of summer. For a deeper dive into Philadelphia's climate throughout the year, visit Philadelphia Climate.