July Weather in Harrisburg, United States

Last updated: June 24, 2025

In Harrisburg, United States, the average temperature in July hovers around 24°C (75°F), offering a comfortable climate for outdoor activities. However, be prepared for temperature fluctuations, as it can dip as low as 8°C (47°F) and soar to a scorching 38°C (100°F). Expect about 46 mm (1.8 in) of precipitation spread over 9 days, contributing to an average humidity of a steamy 82%. Embrace the warmth and plan accordingly!

July Temperature in Harrisburg

In July in Harrisburg, the average temperature is 24°C (75°F). The maximum can reach 38°C (100°F), and the minimum can be as low as 8°C (47°F). Be prepared for warm days and cooler nights when planning your travels.

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 24°C (75°F), with highs reaching up to 38°C (100°F) and lows dropping to around 8°C (47°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 46 mm (1.8 in) over the course of 9 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 46 mm (1.8 inches) of precipitation spread over approximately 9 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 82%. With an average temperature of 24°C (75°F), this humidity feels like a warm embrace, making travel feel sticky and heavy on the skin, often requiring more frequent breaks and hydration.

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 82%, 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 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.

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	0°C (32°F)	14 mm (0.6 inches)	72%	moderate
February Weather	-2°C (30°F)	23 mm (0.9 inches)	76%	moderate
March Weather	5°C (40°F)	67 mm (2.7 inches)	61%	high
April Weather	8°C (46°F)	53 mm (2.1 inches)	60%	very high
May Weather	13°C (55°F)	117 mm (4.6 inches)	74%	very high
June Weather	21°C (69°F)	57 mm (2.2 inches)	82%	extreme
July Weather	24°C (75°F)	46 mm (1.8 inches)	82%	extreme
August Weather	22°C (73°F)	35 mm (1.4 inches)	84%	very high
September Weather	19°C (66°F)	24 mm (1.0 inches)	75%	very high
October Weather	9°C (48°F)	36 mm (1.4 inches)	73%	high
November Weather	5°C (42°F)	25 mm (1.0 inches)	74%	moderate
December Weather	1°C (35°F)	18 mm (0.7 inches)	77%	moderate