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July Weather in Hillsboro, United States

Last updated: June 24, 2025

In July, the average temperature in Hillsboro, United States hovers around 30°C (86°F), with a possible minimum of 18°C (64°F) and a sweltering maximum reaching 43°C (109°F). Expect 55 mm (2.2 in) of precipitation over about 8 days, contributing to an average humidity of 71%. Stay prepared for the heat and occasional showers!

July Temperature in Hillsboro

In July in Hillsboro, the average temperature is 30°C (86°F). Maximums can reach 43°C (109°F) and minimums can be as low as 18°C (64°F). Be prepared for a warm climate, and pack accordingly for both hot days and cooler evenings.

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 30°C (86°F), with highs reaching up to 43°C (109°F) and lows dropping to around 18°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec485061667582868680695853
Data source: Temperature data for Hillsboro generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

July Precipitation in Hillsboro

In Hillsboro in July, the precipitation amount is 55 mm (2.2 in) over the course of 8 days.

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 55 mm (2.2 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec598685102176705591781314457
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Hillsboro

In Hillsboro in July, humidity is 71%. With an average temperature of 30°C (86°F), this humidity feels like traveling through a warm mist, enveloping you in a sticky embrace that makes outdoor activities challenging and requires frequent breaks to stay refreshed.

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 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%80%78%79%81%77%71%67%69%73%82%87%
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 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 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 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478101111111110864
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.
 TemperaturePrecipitationHumidityUV
January Weather9°C (49°F)59 mm (2.3 inches)79%moderate
February Weather10°C (51°F)86 mm (3.4 inches)80%high
March Weather16°C (62°F)85 mm (3.3 inches)78%very high
April Weather19°C (67°F)102 mm (4.0 inches)79%very high
May Weather24°C (75°F)176 mm (6.9 inches)81%extreme
June Weather28°C (82°F)70 mm (2.8 inches)77%extreme
July Weather30°C (86°F)55 mm (2.2 inches)71%extreme
August Weather30°C (86°F)91 mm (3.6 inches)67%extreme
September Weather27°C (80°F)77 mm (3.1 inches)69%very high
October Weather21°C (69°F)131 mm (5.2 inches)73%very high
November Weather14°C (58°F)44 mm (1.7 inches)82%high
December Weather12°C (53°F)56 mm (2.2 inches)87%moderate

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