Gilroy Weather in October

What's the weather like in Gilroy (California) in October 2025?

The climate in Gilroy during October can be summarized as mild and dry.

October is in the fall / autumn in Gilroy and is typically the 5th warmest month of the year. Daytime maximum temperatures average around 24°C (74°F), whilst at night 8°C (47°F) is normal.

Gilroy weather averages (imperial / metric)
Daytime temperature 23.6°C 74.4°F
Nightly temperature 8.1°C 46.5°F
Average temperature 15.8°C 60.4°F
Daily sunshine 9.4 hrs
Avg rainfall 22 mm 0.9 ins
Rainy days 3 days
Sea temperature 14.6°C 58.3°F
Humidity 67%
Windspeed 12.6kph 8 mph

On average October is the 6th driest month of the year in Gilroy with around 22mm 0.9 inches of rain making it a dry time to visit. This rainfall is typically spread over 3 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.4 hours of sunshine per day.

October temperatures in Gilroy

Gilroy average temperature in October

October rainfall

Gilroy average rain in October

October hourly sunshine

Gilroy average rain in October

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Gilroy in October 2025.

Other monthly averages

Best places to visit in October

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Gilroy weather stats

Gilroy weather statistics
Hottest month: August 27.3°C 81.1°F
Driest month: July 2mm 0.1ins
Sunniest month: April 11.3hrs
Coldest month: December 13.2°C 55.8°F
Wettest month: January 97mm 3.8ins
Map showing location of Gilroy (37.00578, -121.56828) Gilroy map pin © Google

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