July Weather in Hackettstown, United States

Last updated: June 24, 2025

In Hackettstown, United States, the average temperature in July hovers around a pleasant 25°C (77°F). However, temperatures can vary, dipping to a minimum of 12°C (54°F) and peaking at a sizzling 36°C (97°F). Expect about 134 mm (5.3 in) of precipitation spread over 13 days, accompanied by an average humidity of 62%. Enjoy the blend of warmth and occasional showers during this vibrant month!

July Temperature in Hackettstown

In July in Hackettstown, the average temperature is 25°C (77°F). Maximum temperatures can reach 36°C (97°F), while minimums can drop to as low as 12°C (54°F). This makes it a perfect time for travelers to enjoy a variety of outdoor activities, but it's advisable to pack layers to stay comfortable throughout the day.

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

The chart illustrates July temperature patterns in Hackettstown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hackettstown, July typically has an average temperature of 25°C (77°F), with highs reaching up to 36°C (97°F) and lows dropping to around 12°C (54°F).

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

July Precipitation in Hackettstown

In Hackettstown in July, the precipitation amount is 134 mm (5.3 in) recorded over the course of 13 days.

July Precipitation Trends in Hackettstown

The chart displays monthly precipitation patterns in Hackettstown, 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 Hackettstown, July typically receives around 134 mm (5.3 inches) of precipitation spread over approximately 13 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 Hackettstown

In Hackettstown in July humidity is 62%. With an average temperature of 25°C (77°F), this humidity feels like a warm embrace, making travel enjoyable yet slightly sticky, so staying hydrated and taking breaks in the shade is essential for a comfortable experience.

July Average Humidity in Hackettstown

This chart illustrates the average monthly humidity levels in Hackettstown, 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 Hackettstown is approximately 62%, 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 Hackettstown

In Hackettstown 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 Hackettstown.

Maximum UV Index Levels in Hackettstown for July

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

Data source: Hackettstown 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 Hackettstown Compares to Other Months

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

This table compares monthly weather conditions in Hackettstown, 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)	71 mm (2.8 inches)	84%	moderate
February Weather	2°C (35°F)	103 mm (4.1 inches)	82%	moderate
March Weather	5°C (41°F)	102 mm (4.0 inches)	81%	high
April Weather	11°C (51°F)	109 mm (4.3 inches)	78%	very high
May Weather	16°C (61°F)	133 mm (5.3 inches)	69%	very high
June Weather	21°C (71°F)	102 mm (4.0 inches)	69%	very high
July Weather	25°C (77°F)	134 mm (5.3 inches)	62%	very high
August Weather	23°C (74°F)	138 mm (5.4 inches)	65%	very high
September Weather	20°C (68°F)	102 mm (4.0 inches)	68%	very high
October Weather	14°C (58°F)	134 mm (5.3 inches)	74%	high
November Weather	6°C (44°F)	87 mm (3.4 inches)	82%	moderate
December Weather	2°C (36°F)	109 mm (4.3 inches)	80%	low