Gilroy Weather Records

Gilroy, California weather averages and records from 1906–2023 based on data made available by the NOAA.

All-Time Recorded High

The highest temperature ever recorded in Gilroy, California was 115 °F which occurred on July 15, 1972.

Highest Temperatures: All-Time By Year

All-Time Recorded Low

The lowest temperature ever recorded in Gilroy, California was 17 °F which occurred on December 24, 1990.

Lowest Temperatures: All-Time By Year

Gilroy Weather by Month

Averages based on the years 1991–2020

Month	Average (°F)		Record (°F)		Average (inches)
Month	High ☀️	Low 🌙	High ☀️	Low 🌙	Precipitation 💧	Snow ❄️
January	61.5	39.2	80	18	4.3	0.0
February	64.1	42.1	86	23	4.5	0.0
March	68.3	44.2	90	23	2.7	0.0
April	72.8	46.1	100	27	1.2	0.0
May	78.2	50.2	106	31	0.5	0.0
June	83.6	52.8	112	36	0.1	0.0
July	87.4	55.9	115	41	0.0	0.0
August	87.8	55.5	112	37	0.0	0.0
September	85.8	54.1	113	30	0.0	0.0
October	79.6	49.2	107	29	1.0	0.0
November	68.8	43.3	94	23	1.7	0.0
December	60.9	38.7	80	17	4.3	0.0
Entire year	75.4	47.8	115	17	19.8	0.0

More Gilroy Weather Records 1906–2023
Highest daily low	72 °F	September 3, 2017
Lowest daily high	40 °F	January 3, 2019
Greatest daily range (Difference of high and low)	66 °F	April 22, 2009
Greatest difference in daily high over two conscutive days	32 °F	Apr 22–23, 1986
Most daily precipitation	5.9 inches	October 14, 2009
Most monthly precipitation	14.6 inches	January 1914
Most yearly precipitation	37.8 inches	1983
Most yearly days with precipitation	103	1983
Most daily snow	0.5 inches	November 11, 1915
Most monthly snow	1.5 inches	November 1915
Most yearly snow	1.5 inches	1915
Most snow in a winter	1.5 inches	1915–1916
Earliest freeze	September 25	2009
Earliest day ≥ 90 °F	March 20	1997
Earliest day ≥ 100 °F	April 22	2009
Latest freeze	May 9	1964
Latest day ≥ 90 °F	November 7	2012
Latest day ≥ 100 °F	October 16	1961
Most days in a year < 32 °F	46	1976
Most days in a year ≥ 80 °F	180	1997
Most days in a year ≥ 90 °F	81	1996
Most days in a year ≥ 100 °F	20	1996
Most days in a year ≥ 110 °F	3	2022

Gilroy Weather Streaks Most consecutive days...
With precipitation	15 days	Jan 8–22, 1970
Without precipitation	169 days	May 22 – Nov 6, 2002
With snow	3 days	Nov 9–11, 1915
High temperature ≥ 80 °F	108 days	Jun 17 – Oct 2, 1981
High temperature ≥ 90 °F	18 days	Jul 6–23, 2003
High temperature ≥ 100 °F	7 days	Sep 3–9, 2022

Gilroy Weather by Year

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Weather Station Details

Years	Station	Coordinates
1906–2023	Gilroy	location