October Weather in Gilroy, United States

Last updated: June 24, 2025

In Gilroy, United States, the average temperature in October is a comfortable 17°C (62°F). However, expect a range where temperatures can dip as low as 5°C (41°F) or soar up to 33°C (91°F). Rainfall is moderate, with an average precipitation of 17 mm (0.7 in) spread over just 1 day. The atmosphere feels pleasantly humid, with an average humidity level of 62%.

October Temperature in Gilroy

In October in Gilroy, the average temperature is 17°C (62°F), with maximums reaching 33°C (91°F) and minimums dipping as low as 5°C (41°F). This wide temperature range makes it essential for travelers to pack layers to ensure comfort throughout the day.

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

The chart illustrates October temperature patterns in Gilroy, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gilroy, October typically has an average temperature of 17°C (62°F), with highs reaching up to 33°C (91°F) and lows dropping to around 5°C (41°F).

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

October Precipitation in Gilroy

In Gilroy in October, the precipitation amount is 17 mm (0.7 in) over the course of 1 day.

October Precipitation Trends in Gilroy

The chart displays monthly precipitation patterns in Gilroy, 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 Gilroy, October typically receives around 17 mm (0.7 inches) of precipitation spread over approximately 1 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 Gilroy

In Gilroy in October, humidity is 62%. With an average temperature of 17°C (62°F), this humidity feels like a warm embrace, making it a comfortable yet slightly muggy environment for traveling, perfect for leisurely strolls but possibly requiring light clothing adjustments.

October Average Humidity in Gilroy

This chart illustrates the average monthly humidity levels in Gilroy, 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 Gilroy is approximately 62%, 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 Gilroy

In Gilroy in October, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Gilroy.

Maximum UV Index Levels in Gilroy for October

The chart shows the monthly maximum UV Index (UVI) for Gilroy 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 Gilroy typically reaches 7, which falls under the high exposure category.

Data source: Gilroy 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 Gilroy Compares to Other Months

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

This table compares monthly weather conditions in Gilroy, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	103 mm (4.0 inches)	82%	moderate
February Weather	11°C (52°F)	79 mm (3.1 inches)	84%	moderate
March Weather	12°C (53°F)	73 mm (2.9 inches)	82%	very high
April Weather	14°C (57°F)	26 mm (1.0 inches)	78%	very high
May Weather	15°C (60°F)	15 mm (0.6 inches)	71%	extreme
June Weather	18°C (65°F)	1 mm (0.0 inches)	64%	extreme
July Weather	19°C (67°F)	1 mm (0.0 inches)	58%	extreme
August Weather	20°C (68°F)	1 mm (0.0 inches)	54%	very high
September Weather	19°C (67°F)	2 mm (0.1 inches)	55%	very high
October Weather	17°C (62°F)	17 mm (0.7 inches)	62%	high
November Weather	13°C (55°F)	30 mm (1.2 inches)	78%	moderate
December Weather	10°C (50°F)	79 mm (3.1 inches)	80%	moderate