Cupertino Weather Year-Round — Best Time to Visit
Cupertino, United States has mild weather year-round. The best time to visit is July (score: 99/100). Annual average high: 21°C, total rainfall: 590mm.
When is the best time to visit Cupertino?
99
July is the best month to visit Cupertino with a travel score of 99/100 (Excellent).
Expect highs of 27.7°C, 0 rain days, and 13.7 hours of daily sunshine.
View July weather details →Travel Score by Month
65
Jan
69
Feb
74
Mar
81
Apr
89
May
97
Jun
99
Jul
98
Aug
98
Sep
93
Oct
76
Nov
64
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Cupertino each month?
21°C
Avg High
10.6°C
Avg Low
590mm
Annual Rain
How much rain does Cupertino get?
Cupertino receives 590mm of rain annually. The wettest month is typically January with 120mm, while July is the driest.
What is the weather like each month in Cupertino?
January
65
15°C
Low: 6°C
9 rain days
Good
February
69
15°C
Low: 7°C
9 rain days
Good
March
74
17°C
Low: 8°C
9 rain days
Good
April
81
19°C
Low: 9°C
5 rain days
Excellent
May
89
22°C
Low: 11°C
3 rain days
Excellent
June
97
26°C
Low: 13°C
1 rain days
Excellent
July
Best time to visit99
28°C
Low: 15°C
0 rain days
Excellent
August
98
28°C
Low: 15°C
0 rain days
Excellent
September
98
27°C
Low: 15°C
1 rain days
Excellent
October
93
24°C
Low: 13°C
3 rain days
Excellent
November
76
18°C
Low: 9°C
6 rain days
Good
December
64
14°C
Low: 7°C
9 rain days
Good
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Data based on 1994–2024 averages · Last updated: 2024-12-31