March Weather in Philadelphia, United States

Last updated: February 24, 2025

March in Philadelphia ushers in a dynamic blend of weather patterns, marked by temperatures ranging from a brisk -22°C (-7°F) to a comfortable 21°C (70°F). The month sees an average* temperature hovering around zero degrees Celsius (32°F), setting the stage for both winter's last whispers and the early signs of spring. With 12 days of precipitation accumulating to about 88 mm (3.5 in), residents can expect a mix of rainy days, accompanied by intense humidity levels of 86% that may enhance the chill in the air. Embrace the transitional nature of March, where the promise of warmer days is interspersed with the lingering essence of winter.

March Temperature in Philadelphia

As March arrives in Philadelphia, the city begins to shake off the winter chill, with temperatures showing a noticeable upward trend. The month starts with minimums around -22°C (-7°F) but quickly climbs to an inviting 0°C (32°F) average, peaking at a delightful 21°C (70°F). This shift marks a significant departure from the harsher cold of January and February, where temperatures lingered well below freezing. March’s warming trend not only hints at the impending spring but also revives outdoor activities, as residents revel in the milder days. The gradual transition from frosty mornings to pleasantly warm afternoons creates a refreshing atmosphere, signaling nature's awakening from its winter slumber.

March Weather in Philadelphia: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Philadelphia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec222432445765716962523728
Data source: Temperature data for Philadelphia generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in Philadelphia

March brings a slight increase in precipitation to Philadelphia, with 88 mm (3.5 in) falling over the month, accompanied by 12 days of rainfall. This is a modest rise from the winter months, as both January and February recorded similar precipitation amounts around 84-86 mm. Interestingly, the consistency in rainy days remains unchanged at twelve, hinting at a steady transition into spring. As the city prepares for the downpours of April, which typically see a significant jump to 130 mm (5.1 in), March serves as a gentle precursor, setting the stage for the seasonal shift while nurturing the awakening landscape.

March Precipitation Trends in Philadelphia

The chart displays monthly precipitation patterns in Philadelphia, with values for each month alongside March's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec8684881301041041371067516111998
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Philadelphia

In March, Philadelphia experiences a notable drop in humidity, with levels falling to 86%, a shift from the persistent 93% seen in both January and February. This decrease marks the beginning of a gradual transition towards drier conditions with April bringing even lower humidity at 82%. As spring unfolds, the gradual decline continues, eventually reaching the more comfortable levels of 75% by May. The trend suggests a seasonal change, where the city moves from the weighty, moisture-laden air of winter into the more refreshing atmosphere of spring. Observing these fluctuations, one can anticipate the year's ebb and flow, with summer months bringing further reductions in humidity, ultimately leading to a more pleasant experience for residents and visitors alike.

March Average Humidity in Philadelphia

This chart illustrates the average monthly humidity levels in Philadelphia, with March's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how March's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec93%93%86%82%75%68%69%67%72%83%88%89%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Philadelphia

As March unfolds in Philadelphia, the UV Index climbs to 5, indicating a moderate level of sun exposure that warrants some caution. This marks a notable increase from the 2 recorded in January and the 4 in February. As spring approaches, residents should be mindful of their outdoor activities, with a burn time of just 30 minutes for unprotected skin. The trend is clear: as we move toward summer, the UV Index will continue its upward trajectory, peaking at 9 by May, urging everyone to stay vigilant. For more detailed information, check out Philadelphia UV Index.

Maximum UV Index Levels in Philadelphia for March

The chart shows the monthly maximum UV Index (UVI) for Philadelphia in March, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec245899997532
Data source: Philadelphia March UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

March Sunshine in Philadelphia

March brings a delightful shift in Philadelphia, as the city emerges from winter's grasp with a notable surge in sunshine. With 223 hours of sunlight, March marks a significant increase from the 145 hours in February, hinting at the promising arrival of spring. This upward trend continues into April, where residents can bask in 225 hours of sunshine, setting the stage for even brighter days ahead. As the months progress, sunshine hours steadily build to a peak in July, offering an abundance of warmth and light. The gradual increase from the bleak winter months to the vibrant spring not only lights up the skyline but also uplifts the spirits of Philadelphians, making March a key transition into a season filled with promise and possibilities.

Monthly Sunshine Duration in Philadelphia: March Highlighted

The March sunshine duration represents the total number of hours Philadelphia experiences direct sunlight during the month of March, excluding cloudy or obstructed periods. This chart compares the sunshine duration of March with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec107h145h223h225h273h319h339h326h281h194h149h117h
Data source: Philadelphia March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Philadelphia During March

As winter wanes and spring approaches, March in Philadelphia brings a refreshing change in weather, featuring a notable increase in sunny days with a 46% chance of sunshine. This marks a significant leap from the dreary skies of January and February, where chances hover around 24% and 26%, respectively. While April's sunny probability dips slightly to 36%, March stands out as a key transition month, hinting at the promise of warmer days ahead. This upward trend continues into May, boasting a 43% likelihood of sun, showcasing the city's gradual shift from the cold grasp of winter to the renewal of spring. Overall, March starts to showcase renewed optimism for brighter, sunnier days in Philadelphia.

Percentage of Sunny Days in March in Philadelphia

The chart illustrates the percentage of sunny days in Philadelphia throughout the year, with March highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Philadelphia experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec24%26%46%36%43%39%34%42%40%32%41%23%
Data source: Philadelphia March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Philadelphia in March

As winter gives way to spring, March in Philadelphia marks a delightful transition, with daylight increasing to 11 hours. This gradual lengthening of days follows a steady upward trajectory from January's 9 hours, showcasing the sun's return and igniting a sense of warmth and renewal. As we move deeper into the month, anticipation builds for April, which will bring even longer days with 13 hours of daylight. This trend not only uplifts spirits but also invites residents to embrace outdoor activities and the blossoming beauty of nature, making March a pivotal time of year that bridges the cozy confines of winter and the vibrant energy of springtime.

Average Daylight Hours in Philadelphia for March

The chart illustrates the variation in daylight duration in Philadelphia throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 17m10h 28m11h 57m13h 29m14h 47m15h 25m15h 4m13h 55m12h 27m10h 56m9h 36m8h 54m
Data source: Philadelphia daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in Philadelphia

As winter gives way to spring, March in Philadelphia brings a noticeable uptick in wind speed, averaging 4.0 m/s (9 mph). This is a welcome shift from the calmer breezes of January and February, which hover around 2.6 m/s (6 mph) and 3.2 m/s (7 mph), respectively. The invigorating winds of March not only signal the end of the cold season but also energize outdoor activities, paving the way for a breezier April with a slight dip back to 3.0 m/s (7 mph). Overall, March emerges as a turning point, where the winds pick up and herald a vibrant transition into warmer days ahead.

Average March Wind Speed in Philadelphia

The chart displays monthly wind speed patterns in Philadelphia, with values for each month shown alongside March's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how March's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.63.24.0 m/s3.03.03.52.62.63.23.03.33.7
Data source: Philadelphia March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in Philadelphia Compares to Other Months

The weather in Philadelphia changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of March'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.

In comparing the weather of March and January, we can see a significant shift in temperatures and conditions. March offers a more moderate temperature range, with an average of 0°C (32°F), contrasted with January's harsher average of -6°C (22°F). While both months receive similar levels of precipitation—88 mm (3.5 in) in March and 86 mm (3.4 in) in January—the higher humidity in January at 93% contributes to a chillier feel compared to March's 86%. January's lowest temperature plunges significantly to -33°C (-27°F), highlighting the severe cold before the arrival of spring. For more insights, check out the detailed Philadelphia weather in January.

March weather shows a notable warming trend compared to February. While February experiences lower temperatures with a minimum of -27°C (-16°F) and an average of -4°C (25°F), March sees temperatures ranging from a minimum of -22°C (-7°F) to an average of 0°C (32°F), and a maximum of 21°C (70°F). Both months receive similar amounts of precipitation, with March bringing 88 mm (3.5 in) and February slightly less at 84 mm (3.3 in), both occurring over 12 days. Additionally, March’s humidity is slightly lower at 86% compared to February's 93%. For more details about February weather specifically, you can visit Philadelphia weather in February.

March and April exhibit notable differences in weather patterns. March presents a broader temperature range, with minimums reaching as low as -22°C (-7°F) and maximums peaking at 21°C (70°F), while averaging around 0°C (32°F). In contrast, April sees milder temperatures, with minimums of -7°C (19°F) and maximums soaring to 30°C (86°F), resulting in an average of 7°C (44°F). Precipitation also rises from 88 mm (3.5 in) over 12 days in March to 130 mm (5.1 in) over 14 days in April, albeit with reduced humidity levels in April at 82% compared to March's 86%. For a more detailed look at April's weather, check out Philadelphia weather in April.

March and May present a striking contrast in weather patterns. In March, temperatures can range from a chilly minimum of -22°C (-7°F) to an average of 0°C (32°F), with a maximum of 21°C (70°F); humidity levels are notably high at 86%. The month experiences significant precipitation, totaling 88 mm (3.5 in) over approximately 12 days. In contrast, May boasts milder temperatures, with a minimum of -2°C (29°F) and an average of 14°C (57°F), peaking at a warm 32°C (90°F). Although May sees slightly more rainfall at 104 mm (4.1 in) spread over 13 days, the humidity is lower at 75%. For more detailed information about May weather, visit Philadelphia weather in May.

March and June exhibit a stark contrast in weather patterns. In March, temperatures can dip as low as -22°C (-7°F) with an average of around 0°C (32°F), while June experiences much milder conditions with a minimum temperature of 3°C (38°F) and an average of 19°C (66°F). Precipitation is somewhat similar, with March seeing 88 mm (3.5 in) over 12 days and June slightly higher at 104 mm (4.1 in) over 13 days, but the humidity level decreases from 86% in March to 68% in June. For more detailed information, you can check Philadelphia weather in June.

March and July present strikingly different weather patterns. In March, temperatures range from a brisk minimum of -22°C (-7°F) to a comfortable maximum of 21°C (70°F), with an average hovering around 0°C (32°F). It experiences relatively high humidity at 86% and 88 mm (3.5 in) of precipitation over about 12 days. In contrast, July boasts much warmer temperatures, with a minimum of 9°C (49°F) and a maximum reaching 35°C (95°F), and an average of 22°C (72°F). Although it has slightly more precipitation at 137 mm (5.4 in), the summer month sees lower humidity at 69% and a comparable number of rainy days, totaling 14. For an in-depth view of July's weather specifics, you can check Philadelphia weather in July.

In March, temperatures can be quite frigid, ranging from a minimum of -22°C (-7°F) to a maximum of 21°C (70°F), with an average of around 0°C (32°F). The month sees significant precipitation, totaling 88 mm (3.5 in) across approximately 12 days, and the humidity is high at 86%. In contrast, August offers a much warmer climate, with temperatures spanning from a minimum of 7°C (44°F) to a peak of 31°C (89°F), averaging a comfortable 21°C (70°F). Although August experiences slightly more rainfall at 106 mm (4.2 in) over about 14 days, the humidity is lower at 67%, making for a more pleasant summer experience. For more details on August weather, visit Philadelphia weather in August.

March and September present distinct contrasts in weather. In March, temperatures can swing dramatically, ranging from a frigid -22°C (-7°F) to a pleasant 21°C (70°F), with an average around freezing point at 0°C (32°F). The month experiences significant humidity at 86% and assembles a higher frequency of precipitation, with 88 mm (3.5 in) falling over 12 days. In contrast, September boasts milder conditions with temperatures starting at a minimum of 0°C (33°F) and peaking at 32°C (89°F), leading to a more comfortable average of 17°C (62°F). Precipitation drops slightly to 75 mm (3.0 in) across 9 days, and humidity decreases to 72%, creating a more enjoyable atmosphere. For more detailed insights into early autumn conditions, visit Philadelphia weather in September.

In March, temperatures can range dramatically, from a chilly minimum of -22°C (-7°F) to a mild maximum of 21°C (70°F), with an average of 0°C (32°F). The month typically experiences 12 days of precipitation, accumulating to about 88 mm (3.5 in), and the humidity tends to be quite high at 86%. Conversely, October welcomes more stable weather patterns, with temperatures ranging from a minimum of -3°C (26°F) to a pleasant maximum of 26°C (80°F), averaging 11°C (52°F). It is also wetter, with around 160 mm (6.3 in) of precipitation over 14 days, accompanied by slightly lower humidity levels at 83%. For more detailed insights into October weather, you can check out Philadelphia weather in October.

In March, temperatures range from a chilly -22°C (-7°F) at their lowest to a pleasant 21°C (70°F) at their highest, with an average of around 0°C (32°F). The month sees approximately 88 mm (3.5 in) of precipitation over about 12 days, and humidity levels are fairly high at 86%. In contrast, November temperatures are slightly milder, with a minimum of -15°C (6°F), an average of 3°C (37°F), and a maximum of 22°C (73°F). Precipitation increases to around 119 mm (4.7 in) over 14 days, while humidity remains similar at 88%. For more details on November weather, visit Philadelphia weather in November.

In March, temperatures show a more dramatic range, with lows reaching -22°C (-7°F) and highs peaking at 21°C (70°F), resulting in an average of around 0°C (32°F). The month experiences 88 mm (3.5 in) of precipitation over approximately 12 days, with humidity levels at 86%. In contrast, December tends to be colder, with a minimum temperature of -27°C (-17°F) and a maximum of 16°C (61°F), leading to an average of -2°C (28°F). This month records slightly higher precipitation at 98 mm (3.8 in) across 13 days, accompanied by a humidity level of 89%. For more detailed insights, you can check Philadelphia weather in December.

Compare Philadelphia's Climate with Cities Worldwide

Conclusion: What to Expect From March Weather in Philadelphia

As March unfolds in Philadelphia, the city transitions from the grip of winter into the beginnings of spring, showcasing a mix of crisp cold and budding warmth. While temperatures gradually rise, the days often remain gray and damp, marked by frequent precipitation and high humidity that can make the air feel heavier. This contrasts sharply with the chillier depths of January and February, where the frost lingers much longer. As the month progresses, residents can expect an invigorating shift, as the promise of spring begins to emerge, offering a rejuvenating respite from the frosty days of winter. To explore more about how Philadelphia's weather evolves throughout the year, visit Philadelphia Climate.