October Weather in Hillsboro, United States

Last updated: June 24, 2025

In Hillsboro, United States, the average temperature in October hovers around 7°C (44°F). Expect a minimum of -10°C (14°F) and a maximum of 28°C (83°F) during this time. Precipitation averages 80 mm (3.2 in) over the course of 8 days, contributing to an average humidity of 79%.

October Temperature in Hillsboro

In October in Hillsboro, the average temperature is 7°C (44°F). Maximum temperatures can reach 28°C (83°F) and minimums can drop as low as -10°C (14°F). Travelers should be prepared for a wide range of temperatures during this time.

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

The chart illustrates October 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, October typically has an average temperature of 7°C (44°F), with highs reaching up to 28°C (83°F) and lows dropping to around -10°C (14°F).

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

October Precipitation in Hillsboro

In Hillsboro in October, the total precipitation amount is 80 mm (3.2 in), occurring over a span of 8 days.

October Precipitation Trends in Hillsboro

The chart displays monthly precipitation patterns in Hillsboro, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Hillsboro, October typically receives around 80 mm (3.2 inches) of precipitation spread over approximately 8 days.

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

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Millimeters (mm) Inches (in)

October Humidity in Hillsboro

In Hillsboro in October humidity is 79%. With an average temperature of 7°C (44°F), this humidity feels like a chilly embrace that makes traveling outdoors a brisk adventure, requiring extra layers to stay comfortable while exploring the sights.

October Average Humidity in Hillsboro

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

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

October UV Index in Hillsboro

In Hillsboro in October, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Hillsboro for better planning.

Maximum UV Index Levels in Hillsboro for October

The chart shows the monthly maximum UV Index (UVI) for Hillsboro in October, 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 October, the maximum UV index in Hillsboro typically reaches 4, which falls under the moderate exposure category.

Data source: Hillsboro October 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 October 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 October’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 October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-12°C (10°F)	18 mm (0.7 inches)	90%	low
February Weather	-13°C (9°F)	20 mm (0.8 inches)	92%	moderate
March Weather	-3°C (27°F)	26 mm (1.0 inches)	85%	moderate
April Weather	4°C (40°F)	43 mm (1.7 inches)	81%	high
May Weather	13°C (57°F)	54 mm (2.1 inches)	75%	very high
June Weather	21°C (69°F)	90 mm (3.5 inches)	79%	very high
July Weather	22°C (73°F)	60 mm (2.4 inches)	76%	very high
August Weather	20°C (69°F)	85 mm (3.4 inches)	78%	very high
September Weather	16°C (60°F)	72 mm (2.8 inches)	77%	high
October Weather	7°C (44°F)	80 mm (3.2 inches)	79%	moderate
November Weather	-2°C (28°F)	23 mm (0.9 inches)	86%	moderate
December Weather	-8°C (18°F)	39 mm (1.6 inches)	86%	low