July weather forecast
Pennsylvania, USA

July stands as the zenith of summer in Pennsylvania, presenting both the warmest temperatures and the pinnacle of outdoor activities. The state's temperature generally fluctuates from 62°F (16.7°C) to 85°F (29.4°C), although on the hottest days, it can push closer to the 95°F (35°C) mark. These warmer temperatures are accompanied by heightened humidity, especially in the southeastern parts of the state.

Rainfall in July, although not constant, manifests primarily as short-lived thunderstorms. These storms, while occasionally intense, bring respite from the summer heat and add a refreshing touch to the otherwise warm landscape. July is also the month that sees the peak of rainfall, making it the wettest month of the year. However, these showers are typically interspersed with extended periods of sunshine, ensuring that the state retains its summery vibe.

Regions proximal to Lake Erie continue to benefit from its moderating influence, experiencing slightly cooler temperatures compared to the rest of the state. Meanwhile, the mountainous regions, despite the overarching summer warmth, can have cooler evenings, making them ideal for those seeking a temperate escape.

Comparing July to June, there's a noticeable uptick in both temperature and humidity levels. While June offered a prelude to the summer's heat, July immerses Pennsylvania fully into the season. The days are long, the nights are warm, and the atmosphere buzzes with summer activities. As the state progresses through July, there's an anticipation of the gradual cooling that August often brings, signaling the impending end of the intense summer heat.

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• Philadelphia - July »
  The heat of the mid-summer month of July is in full effect in Philadelphia with temperatures reaching their highest for the year, soaring to an average of 86.4°F (30.2°C). In Philadelphia, the month of July registers the highest temperatures, averaging 86.4°F (30.2°C) at the peak and 69.3°F (20.7°C) at the lowest.
• Pittsburgh - July »
  The months with the lowest humidity in Pittsburgh are July and August, with an average relative humidity of 73%. Pittsburgh's July weather, marked by an average high temperature of 84°F (28.9°C) and an average low temperature of 63°F (17.2°C), is the warmest in the year.
• Allentown - July »
  July, known for its average high temperature of 83.8°F (28.8°C) and an average low temperature of 63.5°F (17.5°C), is the warmest month in Allentown, Pennsylvania. The month with the most sunshine in Allentown is July, with an average of 10.4h of sunshine.
• Erie - July »
  July proves to be the warmest month in Erie recording an average peak temperature of 74.8°F (23.8°C) and a minimum temperature of 64.4°F (18°C). July has the most sunshine of the year in Erie with an average of 10.6h of sunshine.
• Reading - July »
  July, marked by an average high-temperature of 83.1°F (28.4°C) and a low-temperature of 63.9°F (17.7°C), is the warmest month in Reading. July in Reading is characterized by the highest average temperatures and the longest hours of sunshine.
• Scranton - July »
  July, known for its average high temperature of 80.2°F (26.8°C) and an average low temperature of 59°F (15°C), is the warmest month in Scranton, Pennsylvania. The months with the lowest humidity in Scranton are April, June and July, with an average relative humidity of 78%.
• Bethlehem - July »
  Unfolding amidst the summer revelry is July, which stakes its claim as the hottest month in Bethlehem with peaks touching 83.5°F (28.6°C). April and July, with an average relative humidity of 76%, are the least humid months in Bethlehem.
• Lancaster - July »
  In Lancaster during July, the rain falls for 16.7 days and regularly aggregates up to 2.83" (72mm) of precipitation. On the first day of July in Lancaster, Pennsylvania, sunrise is at 5:39 am and sunset at 8:38 pm.
• Harrisburg - July »
  With July arrives the peak of the summer heat in Harrisburg, denoting pool days, picnics, and cookouts. July, known for its average high temperature of 83.8°F (28.8°C) and an average low temperature of 63.5°F (17.5°C), is the warmest month in Harrisburg.
• Altoona - July »
  In Altoona July is the month with the highest recorded average temperatures, measuring a high of 81.5°F (27.5°C) and a low of 59.4°F (15.2°C). In July, Altoona Pennsylvania feels the full impact of summer with the highest temperatures for the year.
• York - July »
  The month with the most sunshine in York is July, with an average of 10.6h of sunshine. July temperatures in York tend to peak at an average high of 83.3°F (28.5°C) and dip to a low of 64.2°F (17.9°C).
• State College - July »
  With an average relative humidity of 76%, July is the least humid month in State College. The month of July, characterized by an average high of 82.2°F (27.9°C) and a low of 59.2°F (15.1°C), is recognized as the warmest in State College, Pennsylvania.