July Weather in Harrisburg, United States

Last updated: June 24, 2025

In Harrisburg, United States, the average temperature in July hovers around 28°C (82°F). During this time, you can experience a minimum of 16°C (62°F) and a sweltering maximum of 35°C (96°F). Be prepared for some rain, as precipitation averages about 112 mm (4.4 in) over 11 days, accompanied by a cozy average humidity of 81%.

July Temperature in Harrisburg

In July in Harrisburg, the average temperature is 28°C (82°F). Maximums can reach 35°C (96°F), while minimums can drop as low as 16°C (62°F). This range makes it perfect for travelers looking to enjoy warm weather while also having cooler evenings to explore.

July Weather in Harrisburg: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Harrisburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Harrisburg, July typically has an average temperature of 28°C (82°F), with highs reaching up to 35°C (96°F) and lows dropping to around 16°C (62°F).
JanFebMarAprMayJunJulAugSepOctNovDec414454607178827976645046
Data source: Temperature data for Harrisburg 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.

July Precipitation in Harrisburg

In Harrisburg in July, the precipitation amount is 112 mm (4.4 in) that occurs over the course of 11 days.

July Precipitation Trends in Harrisburg

The chart displays monthly precipitation patterns in Harrisburg, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Harrisburg, July typically receives around 112 mm (4.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec1001721661371461141121098612978134
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Harrisburg

In Harrisburg in July, humidity is 81%. With an average temperature of 28°C (82°F), this humidity feels like a warm blanket wrapped around you, making traveling somewhat uncomfortable as the air thickens, leaving you longing for a refreshing breeze.

July Average Humidity in Harrisburg

This chart illustrates the average monthly humidity levels in Harrisburg, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Harrisburg is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%81%81%83%83%81%74%71%76%84%88%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Harrisburg

In Harrisburg in July, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Harrisburg.

Maximum UV Index Levels in Harrisburg for July

The chart shows the monthly maximum UV Index (UVI) for Harrisburg in July, 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. In July, the maximum UV index in Harrisburg typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36810111111109753
Data source: Harrisburg July 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.

How July Weather in Harrisburg Compares to Other Months

Weather in Harrisburg varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Harrisburg, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Harrisburg, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)100 mm (3.9 inches)84%moderate
February Weather7°C (45°F)172 mm (6.8 inches)83%high
March Weather12°C (54°F)166 mm (6.5 inches)81%very high
April Weather16°C (61°F)136 mm (5.4 inches)81%very high
May Weather22°C (72°F)146 mm (5.8 inches)83%extreme
June Weather26°C (79°F)114 mm (4.5 inches)83%extreme
July Weather28°C (82°F)112 mm (4.4 inches)81%extreme
August Weather26°C (80°F)108 mm (4.3 inches)74%very high
September Weather24°C (76°F)86 mm (3.4 inches)71%very high
October Weather18°C (64°F)129 mm (5.1 inches)76%high
November Weather10°C (50°F)78 mm (3.1 inches)84%moderate
December Weather8°C (46°F)134 mm (5.3 inches)88%moderate

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