July Weather in Hillsborough, United States

Last updated: June 24, 2025

In Hillsborough, United States, the average temperature in July is a comfortable 15°C (59°F), with minimums dipping to 11°C (51°F) and maximums reaching 20°C (69°F). Precipitation is minimal, averaging just 3 mm (0.1 in) over 0 days, while the average humidity sits at a notable 87%.

July Temperature in Hillsborough

In July in Hillsborough, the average temperature is 15°C (59°F). Maximums can reach 20°C (69°F), while minimums can be as low as 11°C (51°F). This mild climate makes it a perfect time for outdoor activities and sightseeing.

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

The chart illustrates July temperature patterns in Hillsborough, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hillsborough, July typically has an average temperature of 15°C (59°F), with highs reaching up to 20°C (69°F) and lows dropping to around 11°C (51°F).

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

July Precipitation in Hillsborough

In Hillsborough in July, the precipitation amount is 3 mm (0.1 in) during a total of 0 days.

July Precipitation Trends in Hillsborough

The chart displays monthly precipitation patterns in Hillsborough, 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 Hillsborough, July typically receives around 3 mm (0.1 inches) of precipitation spread over approximately 0 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 Hillsborough

In Hillsborough in July, humidity is 87%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket, making traveling uncomfortable as the air feels thick and stifling, often leaving you feeling hot and sticky even when the temperature isn't too high.

July Average Humidity in Hillsborough

This chart illustrates the average monthly humidity levels in Hillsborough, 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 Hillsborough is approximately 87%, 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 Hillsborough

In Hillsborough 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 Hillsborough.

Maximum UV Index Levels in Hillsborough for July

The chart shows the monthly maximum UV Index (UVI) for Hillsborough 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 Hillsborough typically reaches 11, which falls under the extreme exposure category.

Data source: Hillsborough 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 Hillsborough Compares to Other Months

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

This table compares monthly weather conditions in Hillsborough, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (53°F)	102 mm (4.0 inches)	85%	moderate
February Weather	11°C (53°F)	101 mm (4.0 inches)	82%	moderate
March Weather	12°C (53°F)	77 mm (3.0 inches)	82%	very high
April Weather	12°C (55°F)	34 mm (1.3 inches)	79%	very high
May Weather	13°C (56°F)	22 mm (0.9 inches)	83%	very high
June Weather	15°C (58°F)	4 mm (0.2 inches)	84%	extreme
July Weather	15°C (59°F)	3 mm (0.1 inches)	87%	extreme
August Weather	16°C (61°F)	3 mm (0.1 inches)	87%	very high
September Weather	16°C (62°F)	3 mm (0.1 inches)	86%	very high
October Weather	15°C (60°F)	27 mm (1.1 inches)	80%	high
November Weather	13°C (56°F)	48 mm (1.9 inches)	79%	moderate
December Weather	12°C (53°F)	92 mm (3.6 inches)	79%	moderate