June Weather in Hillsboro, United States

Last updated: June 24, 2025

In June, the average temperature in Hillsboro, United States hovers around 26°C (79°F). Expect a range from a cool 14°C (57°F) to a warm 36°C (97°F). This month, precipitation is notable, with about 155 mm (6.1 in) of rain spread over 15 days, creating a lush and vibrant landscape. Additionally, the average humidity sits at a muggy 79%, contributing to the overall tropical ambiance.

June Temperature in Hillsboro

In June in Hillsboro, the average temperature is 26°C (79°F). Maximum temperatures can reach 36°C (97°F), while minimums can drop to as low as 14°C (57°F). This makes Hillsboro an ideal destination for travelers seeking warm weather with comfortable evenings.

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

The chart illustrates June 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, June typically has an average temperature of 26°C (79°F), with highs reaching up to 36°C (97°F) and lows dropping to around 14°C (57°F).

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

June Precipitation in Hillsboro

In Hillsboro in June, the precipitation amount is 155 mm (6.1 in) over a period of 15 days.

June Precipitation Trends in Hillsboro

The chart displays monthly precipitation patterns in Hillsboro, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Hillsboro, June typically receives around 155 mm (6.1 inches) of precipitation spread over approximately 15 days.

Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

June Humidity in Hillsboro

In Hillsboro in June humidity is 79%. With an average temperature of 26°C (79°F), this humidity feels like a warm, sticky embrace that can make outdoor activities feel exhausting. Travelers should be prepared for a heavy air that clings to the skin, making hydration essential while navigating the sights and sounds of the city.

June Average Humidity in Hillsboro

This chart illustrates the average monthly humidity levels in Hillsboro, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Hillsboro is approximately 79%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Hillsboro

In Hillsboro in June, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Hillsboro.

Maximum UV Index Levels in Hillsboro for June

The chart shows the monthly maximum UV Index (UVI) for Hillsboro in June, 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 June, the maximum UV index in Hillsboro typically reaches 12, which falls under the extreme exposure category.

Data source: Hillsboro June 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 June 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 June’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 June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (48°F)	109 mm (4.3 inches)	85%	moderate
February Weather	12°C (53°F)	159 mm (6.3 inches)	84%	high
March Weather	16°C (60°F)	126 mm (5.0 inches)	82%	very high
April Weather	18°C (64°F)	163 mm (6.4 inches)	82%	extreme
May Weather	23°C (74°F)	132 mm (5.2 inches)	82%	extreme
June Weather	26°C (79°F)	155 mm (6.1 inches)	79%	extreme
July Weather	27°C (81°F)	109 mm (4.3 inches)	82%	extreme
August Weather	27°C (81°F)	138 mm (5.4 inches)	77%	extreme
September Weather	25°C (78°F)	100 mm (3.9 inches)	74%	very high
October Weather	20°C (69°F)	96 mm (3.8 inches)	73%	very high
November Weather	13°C (55°F)	70 mm (2.8 inches)	85%	high
December Weather	11°C (52°F)	121 mm (4.8 inches)	88%	moderate