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July Weather in Hillsboro, United States

Last updated: June 24, 2025

In July, the average temperature in Hillsboro, United States is a warm 27°C (81°F). Expect a range where the minimum dips to 18°C (65°F) and the maximum can soar to 36°C (97°F). However, prepare for some rain, as the area receives about 109 mm (4.3 in) of precipitation over 16 days, with an average humidity of 82%.

July Temperature in Hillsboro

In July in Hillsboro, the average temperature is 27°C (81°F). The maximum can reach 36°C (97°F), while the minimum can dip to 18°C (65°F). This makes it an ideal time for travelers seeking warm and pleasant weather.

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 27°C (81°F), with highs reaching up to 36°C (97°F) and lows dropping to around 18°C (65°F).
JanFebMarAprMayJunJulAugSepOctNovDec485360647379818178685551
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 109 mm (4.3 in) spread over 16 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 109 mm (4.3 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec1091591261631321551091381009671121
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 82%. With an average temperature of 27°C (81°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel more exhausting, and leaving you longing for the relief of air-conditioned spaces during your travels.

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.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%82%82%82%79%82%77%74%73%85%88%
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.
JanFebMarAprMayJunJulAugSepOctNovDec478111112111110864
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 (48°F)109 mm (4.3 inches)85%moderate
February Weather12°C (53°F)159 mm (6.3 inches)84%high
March Weather16°C (60°F)126 mm (5.0 inches)82%very high
April Weather18°C (64°F)163 mm (6.4 inches)82%extreme
May Weather23°C (74°F)132 mm (5.2 inches)82%extreme
June Weather26°C (79°F)155 mm (6.1 inches)79%extreme
July Weather27°C (81°F)109 mm (4.3 inches)82%extreme
August Weather27°C (81°F)138 mm (5.4 inches)77%extreme
September Weather25°C (78°F)100 mm (3.9 inches)74%very high
October Weather20°C (69°F)96 mm (3.8 inches)73%very high
November Weather13°C (55°F)70 mm (2.8 inches)85%high
December Weather11°C (52°F)121 mm (4.8 inches)88%moderate

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