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Gilroy May Weather

Averages and records for weather in Gilroy, California in the month of May.

Typical Gilroy May Weather 1991–2020
Average daily high	78.2 °F
Average daily low	50.2 °F
Average monthly precipitation	0.5 inches
Average monthly snow	none
Daily chance of precipitation	8.6%
Daily chance of snow	0%

Gilroy May Weather Records 1906–2023
Highest temperature	106 °F	May 18, 1997
Lowest temperature	31 °F	May 9, 1964
Highest daily low	63 °F	May 30, 2002
Lowest daily high	56 °F	May 4, 1964
Hottest average high temperature	87.9 °F	1997
Coldest average high temperature	69.8 °F	1998
Most daily precipitation	1.9 inches	May 16, 1996
Most monthly precipitation	2.3 inches	1996
Most daily snow	none	-
Most monthly snow	none	-

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
May 1	76.2	48.2	99	36
May 2	76.4	48.4	97	36
May 3	76.7	48.6	97	37
May 4	76.9	48.8	98	31
May 5	77.0	48.8	100	37
May 6	77.2	49.0	100	34
May 7	77.3	49.1	100	37
May 8	77.4	49.3	96	36
May 9	77.6	49.3	99	31
May 10	77.7	49.4	92	35
May 11	77.9	49.5	93	38
May 12	77.9	49.6	96	38
May 13	77.9	49.8	105	38
May 14	77.9	49.9	103	38
May 15	78.0	50.0	99	39
May 16	77.9	50.1	103	39
May 17	78.1	50.2	101	38
May 18	78.3	50.3	106	37
May 19	78.4	50.4	100	39
May 20	78.5	50.5	99	37
May 21	78.6	50.6	98	39
May 22	78.7	50.7	97	38
May 23	78.8	50.8	92	33
May 24	79.0	50.9	97	34
May 25	79.2	51.0	98	34
May 26	79.3	51.1	98	41
May 27	79.5	51.3	101	42
May 28	79.6	51.4	102	42
May 29	79.7	51.5	100	42
May 30	79.9	51.5	101	35
May 31	80.0	51.6	100	40

Weather Station Details

Years	Station	Coordinates
1906–2023	Gilroy	location