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). July, having an average high-temperature of 86.4°F (30.2°C) and an average low-temperature of 69.3°F (20.7°C), is the warmest month in Philadelphia, Pennsylvania.
• Pittsburgh - July »
  Temperature records in Pittsburgh, Pennsylvania, mark July as the warmest month, with highs averaging 84°F (28.9°C) and lows at 63°F (17.2°C). On the first day of July in Pittsburgh sunrise is at 5:53 am and sunset at 8:54 pm.
• Allentown - July »
  July, recognised by an average high temperature of 83.8°F (28.8°C) and a low of 63.5°F (17.5°C), is Allentown's warmest month. April and July, with an average relative humidity of 76%, are the least humid months in Allentown.
• Erie - July »
  With average high temperatures of 74.8°F (23.8°C) and lows of 64.4°F (18°C), July is the warmest month in Erie, Pennsylvania. July has the most sunshine of the year in Erie, Pennsylvania, with an average of 10.6h of sunshine.
• Reading - July »
  The average heat index, which takes the relative humidity and factors it into the air temperature reading, in July is evaluated at 91.4°F (33°C). July in Reading is characterized by the highest average temperatures and the longest hours of sunshine.
• Scranton - July »
  The months with the lowest humidity in Scranton are April, June and July, with an average relative humidity of 78%. In Scranton, July is the warmest month, with temperatures averaging a high of 80.2°F (26.8°C) and a low of 59°F (15°C).
• Bethlehem - July »
  April and July, with an average relative humidity of 76%, are the least humid months in Bethlehem. The months with the lowest humidity in Bethlehem are April and July, with an average relative humidity of 76%.
• Lancaster - July »
  The month with the most sunshine in Lancaster is July, with an average of 10.4h of sunshine. On the first day of July in Lancaster sunrise is at 5:40 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. In Harrisburg in July, it is raining for 13.8 days, with typically 1.26" (32mm) of accumulated precipitation.
• Altoona - July »
  April and July, with an average relative humidity of 77%, are the least humid months in Altoona, Pennsylvania. In July, Altoona Pennsylvania feels the full impact of summer with the highest temperatures for the year.
• York - July »
  July is York's warmest month, with summer in full swing across the city. The months with the most rainfall in York are July and August, with an average 2.01" (51mm) of precipitation.
• State College - July »
  With an average relative humidity of 76%, July is the least humid month in State College. The highest temperatures in State College are recorded in July, with averages reaching a high of 82.2°F (27.9°C) and a low of 59.2°F (15.1°C).