July Weather in Harrisburg, United States

Last updated: June 24, 2025

In July, the average temperature in Harrisburg, United States is a warm 27°C (81°F), with a minimum of 17°C (63°F) and a maximum reaching 37°C (99°F). This month sees approximately 114 mm (4.5 in) of precipitation over 15 days, contributing to an average humidity of 80%. So, get ready for a mix of warmth and moisture!

July Temperature in Harrisburg

In July in Harrisburg, the average temperature is 27°C (81°F), with maximums reaching 37°C (99°F) and minimums dropping to as low as 17°C (63°F). This makes it an ideal time for travelers seeking warm weather and plenty of sunshine.

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 27°C (81°F), with highs reaching up to 37°C (99°F) and lows dropping to around 17°C (63°F).

Data source: Temperature data for Harrisburg generated using information from the Copernicus Climate Change Service.

July Precipitation in Harrisburg

In Harrisburg in July, the precipitation amount is 114 mm (4.5 in) spread over a duration of 15 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 114 mm (4.5 inches) of precipitation spread over approximately 15 days.

Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

July Humidity in Harrisburg

In Harrisburg in July humidity is 80%. With an average temperature of 27°C (81°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making travel tiring as sweat beads form quickly and the air feels thick and heavy.

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 80%, offering insight into how humid the weather typically is during this month.

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 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, 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 10, which falls under the very high exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (44°F)	92 mm (3.6 inches)	86%	moderate
February Weather	9°C (49°F)	116 mm (4.6 inches)	85%	high
March Weather	12°C (54°F)	83 mm (3.3 inches)	84%	very high
April Weather	17°C (62°F)	103 mm (4.0 inches)	82%	very high
May Weather	22°C (71°F)	113 mm (4.5 inches)	83%	very high
June Weather	25°C (77°F)	82 mm (3.2 inches)	82%	extreme
July Weather	27°C (81°F)	114 mm (4.5 inches)	80%	very high
August Weather	26°C (79°F)	105 mm (4.1 inches)	74%	very high
September Weather	23°C (75°F)	133 mm (5.2 inches)	75%	very high
October Weather	18°C (65°F)	92 mm (3.6 inches)	79%	very high
November Weather	10°C (51°F)	90 mm (3.5 inches)	87%	moderate
December Weather	8°C (47°F)	120 mm (4.7 inches)	87%	moderate