April Weather in Pittsburgh, United States

Last updated: February 24, 2025

In April, Pittsburgh experiences a diverse range of weather patterns, with temperatures oscillating between a maximum of 29°C (84°F) and a minimum of -5°C (24°F). The average temperature hovers around 11°C (52°F), setting the stage for a transitional month. This period also sees considerable precipitation, with 132 mm (5.2 in) falling across 16 days, contributing to the city’s lush springtime ambiance. With a humidity level of 87%, the air is often moist, creating the perfect backdrop for blooming flora and vibrant landscapes. Whether you’re enjoying the milder days or navigating the rain, April in Pittsburgh showcases the charm of a city awakening from winter slumber.

April Temperature in Pittsburgh

In April, Pittsburgh begins to shake off the chill of winter, ushering in a season of renewal with noticeably warmer temperatures. The month showcases a remarkable shift, where the minimum temperature rises to a crisp -5°C (24°F), while the average climbs to a comfortable 11°C (52°F), and the maximum can reach up to an inviting 29°C (84°F). This transition signifies a broader trend of increasing warmth as the city prepares for summer, inviting both locals and visitors to enjoy the blooming scenery. As the days grow longer and sunnier, April becomes a vibrant prelude to the lushness of May, providing a refreshing contrast to the frigid temperatures of earlier months and highlighting the beauty of seasonal change in the Steel City.

April Weather in Pittsburgh: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Pittsburgh, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec313541516270757367574236
Data source: Temperature data for Pittsburgh 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.

April Precipitation in Pittsburgh

In April, Pittsburgh experiences a noticeable uptick in precipitation, with a total of 132 mm (5.2 in) falling over 16 days. This increase marks a shift in the weather pattern as the city transitions into spring, following a wetter March with 109 mm (4.3 in) of rainfall. The consistent drizzle sets the stage for May's even higher totals, which average 150 mm (5.9 in) over 17 days. Throughout this month, residents can expect a blend of overcast skies and intermittent showers, contributing to the vibrant blossoming of flora. This trend of increasing precipitation aligns with the overall pattern of wetter conditions from late winter into spring, highlighting Pittsburgh's seasonal shifts and preparing the city for the lush greenery that follows.

April Precipitation Trends in Pittsburgh

The chart displays monthly precipitation patterns in Pittsburgh, with values for each month alongside April's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec951261091321511551548912812894102
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Pittsburgh

April in Pittsburgh sees a slight dip in humidity, averaging 87%, maintaining the trend of a gradual decline that began in March. This month reflects the transition from winter to spring, with the humidity levels dropping subtly as temperatures rise. Following the relatively high humidity of the previous winter months, which hovered around 88%, April's consistent figures signal a more comfortable atmosphere, paving the way for the increasingly pleasant conditions of late spring and early summer. As the year progresses, we can expect humidity to continue its downward trend, reaching its lowest point by August, while still allowing the fresh spring blooms to thrive in the mild April air.

April Average Humidity in Pittsburgh

This chart illustrates the average monthly humidity levels in Pittsburgh, with April's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how April's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%87%81%83%82%76%77%82%89%86%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Pittsburgh

As April arrives in Pittsburgh, residents can expect a significant leap in the UV Index, soaring to 9, which marks a transition to a very high exposure category. This change indicates that people can get sunburned in as little as 15 minutes of unprotected exposure. Following the gradual increase from a moderate UV Index of 3 in January to a high of 6 in March, April signals the start of a sun-intensive season. The trend continues into May and June, where the UV Index peaks at 10—the highest level. With such notable increases, it's crucial for Pittsburghers to stay informed about their sun safety, especially as outdoor activities ramp up during this time. For more detailed insights and daily updates, check the Pittsburgh UV Index.

Maximum UV Index Levels in Pittsburgh for April

The chart shows the monthly maximum UV Index (UVI) for Pittsburgh in April, 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.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Pittsburgh April 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.

April Sunshine in Pittsburgh

As April graces Pittsburgh, the city basks in a delightful 236 hours of sunshine, marking a vibrant transition towards the warmer months. This increase is part of a consistent upward trend in daylight hours, with each passing month showcasing a remarkable surge—March already set the stage with 223 hours. As spring unfolds, this pattern will only intensify, peaking in July with a dazzling 332 hours. The burgeoning sunlight not only uplifts spirits but also signals nature's awakening, inviting residents to enjoy the blooming landscapes and outdoor activities. This radiant journey through the months paints a hopeful picture of warmer days ahead, making every sunlit hour a reason to celebrate.

Monthly Sunshine Duration in Pittsburgh: April Highlighted

The April sunshine duration represents the total number of hours Pittsburgh experiences direct sunlight during the month of April, excluding cloudy or obstructed periods. This chart compares the sunshine duration of April with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec104h135h223h236h267h301h332h316h277h219h173h137h
Data source: Pittsburgh April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Pittsburgh During April

April in Pittsburgh offers a notable increase in sunny days compared to the colder months, with the chance of sunshine reaching 38%. This marks a welcome improvement from the 22% in January and 20% in February, reflecting a shift as spring unfolds. While March enjoys a peak sunny ratio at 46%, April's slightly lower likelihood suggests that cloudy days are still a part of the transition into warmer weather. Despite this, the chance of clear skies is significantly higher than the earlier months, setting the stage for an enjoyable spring with more opportunities to bask in the sun as residents eagerly look forward to the sunnier days of May and the summer ahead.

Percentage of Sunny Days in April in Pittsburgh

The chart illustrates the percentage of sunny days in Pittsburgh throughout the year, with April 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 Pittsburgh experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec22%20%46%39%35%37%44%38%51%33%37%26%
Data source: Pittsburgh April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Pittsburgh in April

As spring unfolds in Pittsburgh, April brings a notable increase in daylight duration, with the city basking in approximately 13 hours of sunshine—a significant leap from March’s 11 hours. This upward trend continues into May and June, where daylight peaks, allowing residents to embrace longer, brighter days. The gradual extension of daylight from the winter's cold grasp reflects nature's awakening and sets the stage for vibrant outdoor activities. However, as summer transitions into fall, daylight begins to taper off, a reminder that the cycle of seasons continues its rhythmic pattern. The daylight hours steadily decrease toward November and December, culminating in the repeat of the cycle as the city prepares for winter's embrace, where sunlight again shrinks to just 9 hours.

Average Daylight Hours in Pittsburgh for April

The chart illustrates the variation in daylight duration in Pittsburgh throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 38m10h 40m11h 58m13h 18m14h 26m15h14h 42m13h 41m12h 24m11h 4m9h 54m9h 19m
Data source: Pittsburgh daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Pittsburgh

In April, Pittsburgh experiences a gentle shift in wind patterns, with an average wind speed hovering around 3.2 m/s (7 mph). This mirrors the slight increase seen in March but marks a drop compared to the peak windiness of early spring. As the season transitions, the winds in April are still brisk enough to carry the refreshing scent of blooming flowers, yet they are less vigorous than those of earlier months. Following April, May sees a further decline, with winds easing to 2.6 m/s (6 mph). This trend highlights a general calming of the breezes as the city moves into summer, suggesting a gradual retreat from the invigorating gusts of spring into the warmer, stiller days ahead.

Average April Wind Speed in Pittsburgh

The chart displays monthly wind speed patterns in Pittsburgh, with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.03.23.53.2 m/s2.62.52.32.02.92.83.13.2
Data source: Pittsburgh April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Pittsburgh Compares to Other Months

The weather in Pittsburgh 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 Pittsburgh and find detailed weather information for every month.

April and January present strikingly different weather patterns. In April, temperatures range from a chilly -5°C (24°F) at their lowest to a warm 29°C (84°F) at their highest, averaging around 11°C (52°F). The month experiences significant precipitation, totaling 132 mm (5.2 in) over 16 days, with humidity levels reaching 87%. In contrast, January is much colder, with minimum temperatures plunging to -22°C (-8°F) and averaging around -1°C (31°F). The maximum temperature in January can reach up to 21°C (70°F), but this occurs less frequently. January sees less precipitation at 95 mm (3.7 in) over 12 days, while humidity is slightly higher at 88%. For a more detailed look at January weather, you can visit Pittsburgh weather in January.

In comparing the weather of April and February, we see notable differences in temperature and conditions. February typically experiences colder temperatures with a minimum of -20°C (-3°F) and an average of just 1°C (35°F), while April offers a much milder climate, with minimum temperatures around -5°C (24°F) and average highs reaching 11°C (52°F). Despite both months seeing a fair amount of precipitation—125 mm (4.9 in) in February and 132 mm (5.2 in) in April—April tends to have slightly more rainfall over 16 days, compared to February's 15 days. Additionally, both months have similar humidity levels, with February at 88% and April at 87%. For more detailed insights, make sure to explore Pittsburgh weather in February.

April weather shows a notable increase in temperatures compared to March, with average temperatures rising from 5°C (42°F) in March to 11°C (52°F) in April. The maximum temperature in April peaks at 29°C (84°F), while March reaches a maximum of 25°C (78°F). Precipitation also sees an uptick, with April receiving 132 mm (5.2 in) over 16 days, slightly more than March's 109 mm (4.3 in) across 13 days. Despite the wetter conditions in April, both months share an identical humidity level of 87%. For a closer look at March weather patterns, check out Pittsburgh weather in March.

April and May weather exhibit notable differences in temperature and precipitation patterns. In April, temperatures range from a chilly minimum of -5°C (24°F) to a comfortable maximum of 29°C (84°F), with an average of 11°C (52°F). The month sees significant precipitation, totaling 132 mm (5.2 in) over 16 days and an average humidity of 87%. In contrast, May brings warmer temperatures, with a minimum of -2°C (29°F), an average of 17°C (63°F), and a maximum reaching 31°C (89°F). Although May has slightly higher precipitation at 150 mm (5.9 in) over 17 days, the humidity drops to 81%. For more detailed information, check out Pittsburgh weather in May.

April and June present contrasting weather patterns, marking a transition from early spring to early summer. In April, temperatures can dip as low as -5°C (24°F), with an average of 11°C (52°F) and a maximum reaching up to 29°C (84°F). The month experiences considerable precipitation, totaling 132 mm (5.2 in) over 16 days, along with high humidity at 87%. In comparison, June showcases a more moderate climate with minimum temperatures rising to 5°C (41°F) and an average of 21°C (70°F), peaking at 33°C (92°F). Although June has slightly more precipitation at 155 mm (6.1 in) over the same number of days (16), the humidity drops to 83%. For more detailed information, you can visit Pittsburgh weather in June.

April and July present quite different weather conditions. In April, temperatures range dramatically, with a minimum of -5°C (24°F) and a maximum of 29°C (84°F), leading to an average of 11°C (52°F). The month sees considerable precipitation, totaling 132 mm (5.2 in) over about 16 days, combined with high humidity levels at 87%. In contrast, July offers warmer averages, with a minimum of 12°C (53°F) and a maximum of 35°C (96°F), resulting in an average temperature of 24°C (75°F). Precipitation is slightly higher at 154 mm (6.1 in) but occurs over just 15 days, and humidity is a bit lower at 82%. For more detailed information about July weather in Pittsburgh, visit Pittsburgh weather in July.

April and August in Pittsburgh showcase a stark contrast in weather conditions. In April, temperatures range from a chilly -5°C (24°F) at night to a mild 29°C (84°F) during the day, with an average temperature of 11°C (52°F). The month is marked by higher humidity at 87% and considerable precipitation, totaling 132 mm (5.2 in) over approximately 16 rainy days. In comparison, August offers warmer temperatures, with nighttime lows of 11°C (52°F) and daytime highs reaching up to 34°C (93°F), averaging around 23°C (73°F). The humidity drops to 76%, and precipitation is lower at 89 mm (3.5 in) over the same number of rainy days. For more detailed information, check out Pittsburgh weather in August.

April and September present distinct weather patterns in Pittsburgh. In April, temperatures range from a chilly -5°C (24°F) at night to a warm 29°C (84°F) during the day, with an average temperature of 11°C (52°F). This month sees significant rainfall, with 132 mm (5.2 in) spread over 16 days, resulting in high humidity levels of 87%. In contrast, September offers milder temperatures, with nighttime lows at 5°C (40°F) and daytime highs reaching 34°C (93°F), averaging 20°C (68°F). Precipitation in September is slightly lower, totaling 128 mm (5.0 in) over just 10 days, leading to a more comfortable humidity level of 77%. For a deeper dive into what to expect during this month, check out Pittsburgh weather in September.

April and October exhibit distinct weather characteristics that shape the experience of each month. In April, temperatures range from a chilly minimum of -5°C (24°F) to a pleasant average of 11°C (52°F), peaking at a warm 29°C (84°F). The month is notably wet, with 132 mm (5.2 in) of precipitation over 16 days and high humidity at 87%. In contrast, October presents a more moderate climate with less humidity at 82%, temperatures varying from a low of -1°C (31°F) to an average of 14°C (57°F), and maximums reaching up to 31°C (89°F). Precipitation is slightly lower at 128 mm (5.0 in) across 14 days. For more specific insights about October weather, you can explore Pittsburgh weather in October.

April and November present contrasting weather profiles, despite both being transitional months. In April, temperatures fluctuate more significantly, with a minimum of -5°C (24°F) and a maximum of 29°C (84°F), averaging around 11°C (52°F). The month experiences higher precipitation levels at 132 mm (5.2 in), spread over 16 days, and maintains a humidity level of 87%. In contrast, November is generally colder, with a minimum temperature dropping to -13°C (9°F) and a maximum of 25°C (78°F), averaging just 5°C (42°F). The precipitation is also lower at 94 mm (3.7 in) over 11 days, accompanied by a slightly higher humidity of 89%. Overall, April is milder and wetter, while November is cooler and drier, marking a significant shift in seasonal patterns. For more details, check out Pittsburgh weather in November.

April and December present contrasting weather patterns in Pittsburgh. In April, temperatures can vary significantly, with lows dipping to -5°C (24°F) and highs reaching up to 29°C (84°F), resulting in an average temperature of 11°C (52°F). The month experiences considerable precipitation, averaging 132 mm (5.2 in) over 16 days, while humidity remains high at 87%. Conversely, December is notably colder, with minimum temperatures plunging to -16°C (4°F) and an average of just 2°C (36°F). High temperatures peak at 18°C (65°F), and the month sees 102 mm (4.0 in) of rainfall spread over 12 days, maintaining a similar humidity level of 86%. For more details, visit Pittsburgh weather in December.

Compare Pittsburgh's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Pittsburgh

As April unfolds in Pittsburgh, the weather transitions from the cold grasp of winter to the promising warmth of spring. With temperatures gradually rising, the city experiences a blend of cool mornings and pleasantly warm afternoons, a stark contrast to the harsher conditions of the preceding months. However, it's also a time of frequent rain, as the 16 days of precipitation contribute to the lush greenery that begins to emerge. This month showcases a characteristically humid atmosphere, making it feel vibrant yet at times damp. Overall, April serves as a gentle introduction to the warmer season ahead, inviting residents to revel in the beauty of blooming flora and milder temperatures. For more insights into the evolving weather patterns, explore Pittsburgh Climate.