July Weather in Duncannon, United States

Last updated: June 24, 2025

In July, the average temperature in Duncannon, United States is a comfortable 25°C (77°F). Expect a range from a cozy 14°C (58°F) to a warm 37°C (99°F). During this month, 122 mm (4.8 in) of precipitation is typical over 12 days, contributing to an average humidity of 65%. Plan your activities accordingly and enjoy the climate!

July Temperature in Duncannon

In July in Duncannon, the average temperature is 25°C (77°F). Maximum temperatures can reach as high as 37°C (99°F), while minimums can drop to as low as 14°C (58°F). This pleasant range makes Duncannon a great destination for travelers looking to enjoy warm weather while still having the option for cooler evenings.

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

The chart illustrates July temperature patterns in Duncannon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Duncannon, July typically has an average temperature of 25°C (77°F), with highs reaching up to 37°C (99°F) and lows dropping to around 14°C (58°F).

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

July Precipitation in Duncannon

In Duncannon in July, the precipitation amount is 122 mm (4.8 in) over a span of 12 days.

July Precipitation Trends in Duncannon

The chart displays monthly precipitation patterns in Duncannon, 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 Duncannon, July typically receives around 122 mm (4.8 inches) of precipitation spread over approximately 12 days.

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

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Millimeters (mm) Inches (in)

July Humidity in Duncannon

In Duncannon in July, humidity is 65%. With an average temperature of 25°C (77°F), this humidity feels like a warm embrace, making outdoor activities slightly uncomfortable but still bearable, as the sticky air clings to your skin and encourages you to seek shade or a refreshing drink.

July Average Humidity in Duncannon

This chart illustrates the average monthly humidity levels in Duncannon, 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 Duncannon is approximately 65%, 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 Duncannon

In Duncannon 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 Duncannon.

Maximum UV Index Levels in Duncannon for July

The chart shows the monthly maximum UV Index (UVI) for Duncannon 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 Duncannon typically reaches 10, which falls under the very high exposure category.

Data source: Duncannon 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 Duncannon Compares to Other Months

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

This table compares monthly weather conditions in Duncannon, 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 (33°F)	68 mm (2.7 inches)	87%	moderate
February Weather	2°C (35°F)	100 mm (3.9 inches)	85%	moderate
March Weather	5°C (42°F)	92 mm (3.6 inches)	85%	high
April Weather	11°C (52°F)	104 mm (4.1 inches)	83%	very high
May Weather	17°C (63°F)	120 mm (4.7 inches)	75%	very high
June Weather	22°C (72°F)	90 mm (3.5 inches)	73%	very high
July Weather	25°C (77°F)	122 mm (4.8 inches)	65%	very high
August Weather	24°C (75°F)	102 mm (4.0 inches)	62%	very high
September Weather	20°C (69°F)	122 mm (4.8 inches)	66%	very high
October Weather	15°C (59°F)	113 mm (4.4 inches)	79%	high
November Weather	6°C (44°F)	89 mm (3.5 inches)	87%	moderate
December Weather	3°C (37°F)	88 mm (3.5 inches)	85%	low