Gilroy Weather Year-Round — Best Time to Visit
Gilroy, United States has mild weather year-round. The best time to visit is July (score: 97/100). Annual average high: 20.9°C, total rainfall: 438mm.
When is the best time to visit Gilroy?
97
July is the best month to visit Gilroy with a travel score of 97/100 (Excellent).
Expect highs of 26.3°C, 0 rain days, and 13.4 hours of daily sunshine.
View July weather details →Travel Score by Month
66
Jan
69
Feb
75
Mar
81
Apr
88
May
95
Jun
97
Jul
97
Aug
97
Sep
92
Oct
77
Nov
66
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Gilroy each month?
20.9°C
Avg High
9.8°C
Avg Low
438mm
Annual Rain
How much rain does Gilroy get?
Gilroy receives 438mm of rain annually. The wettest month is typically January with 93mm, while July is the driest.
What is the weather like each month in Gilroy?
January
66
15°C
Low: 6°C
8 rain days
Good
February
69
16°C
Low: 6°C
8 rain days
Good
March
75
17°C
Low: 7°C
7 rain days
Good
April
81
19°C
Low: 9°C
5 rain days
Excellent
May
88
21°C
Low: 11°C
3 rain days
Excellent
June
95
25°C
Low: 12°C
1 rain days
Excellent
July
Best time to visit97
26°C
Low: 14°C
0 rain days
Excellent
August
97
27°C
Low: 15°C
0 rain days
Excellent
September
97
27°C
Low: 14°C
0 rain days
Excellent
October
92
24°C
Low: 12°C
2 rain days
Excellent
November
77
19°C
Low: 8°C
5 rain days
Good
December
66
15°C
Low: 5°C
8 rain days
Good
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Data based on 1994–2024 averages · Last updated: 2024-12-31