July Weather in Hillsboro, United States

Last updated: June 24, 2025

In July, the average temperature in Hillsboro, United States hovers around 20°C (69°F). However, be prepared for temperature fluctuations, with a minimum of 7°C (45°F) and a maximum reaching up to 37°C (99°F). Expect light precipitation, averaging about 5 mm (0.2 in) over 1 day, while humidity remains relatively high at 82%. Stay comfortable and enjoy your time in this vibrant locale!

July Temperature in Hillsboro

In July in Hillsboro, the average temperature is 20°C (69°F). Maximums can reach 37°C (99°F), and minimums can be as low as 7°C (45°F). This range makes it a great time for travelers to enjoy a mix of warm and cooler days, perfect for various outdoor activities.

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

The chart illustrates July temperature patterns in Hillsboro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hillsboro, July typically has an average temperature of 20°C (69°F), with highs reaching up to 37°C (99°F) and lows dropping to around 7°C (45°F).

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

July Precipitation in Hillsboro

In Hillsboro in July, the precipitation amount is 5 mm (0.2 in) over a duration of 1 day.

July Precipitation Trends in Hillsboro

The chart displays monthly precipitation patterns in Hillsboro, 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 Hillsboro, July typically receives around 5 mm (0.2 inches) of precipitation spread over approximately 1 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 Hillsboro

In Hillsboro in July humidity is 82%. With an average temperature of 20°C (69°F), this humidity feels like a warm, sticky embrace that clings to your skin, making it necessary to stay hydrated while exploring the sights.

July Average Humidity in Hillsboro

This chart illustrates the average monthly humidity levels in Hillsboro, 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 Hillsboro 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 Hillsboro

In Hillsboro 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 Hillsboro.

Maximum UV Index Levels in Hillsboro for July

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

Data source: Hillsboro 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 Hillsboro Compares to Other Months

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

This table compares monthly weather conditions in Hillsboro, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (42°F)	173 mm (6.8 inches)	85%	low
February Weather	5°C (41°F)	166 mm (6.5 inches)	84%	moderate
March Weather	7°C (46°F)	132 mm (5.2 inches)	85%	moderate
April Weather	10°C (51°F)	115 mm (4.5 inches)	83%	high
May Weather	14°C (58°F)	55 mm (2.2 inches)	83%	very high
June Weather	17°C (64°F)	47 mm (1.9 inches)	83%	very high
July Weather	20°C (69°F)	5 mm (0.2 inches)	82%	very high
August Weather	21°C (70°F)	6 mm (0.2 inches)	74%	very high
September Weather	17°C (64°F)	66 mm (2.6 inches)	71%	high
October Weather	11°C (53°F)	101 mm (4.0 inches)	81%	moderate
November Weather	8°C (46°F)	163 mm (6.4 inches)	87%	moderate
December Weather	5°C (41°F)	188 mm (7.4 inches)	87%	low