San Diego Weather Year-Round — Best Time to Visit
San Diego, United States has mild weather year-round. The best time to visit is July (score: 93/100). Annual average high: 20.8°C, total rainfall: 291mm.
When is the best time to visit San Diego?
93
July is the best month to visit San Diego with a travel score of 93/100 (Excellent).
Expect highs of 24.3°C, 1 rain days, and 13.2 hours of daily sunshine.
View July weather details →Travel Score by Month
77
Jan
76
Feb
79
Mar
84
Apr
88
May
92
Jun
93
Jul
93
Aug
93
Sep
91
Oct
86
Nov
77
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in San Diego each month?
20.8°C
Avg High
13.2°C
Avg Low
291mm
Annual Rain
How much rain does San Diego get?
San Diego receives 291mm of rain annually. The wettest month is typically February with 63mm, while June is the driest.
What is the weather like each month in San Diego?
January
77
18°C
Low: 9°C
5 rain days
Good
February
76
17°C
Low: 9°C
6 rain days
Good
March
79
18°C
Low: 10°C
5 rain days
Good
April
84
19°C
Low: 12°C
4 rain days
Excellent
May
88
20°C
Low: 14°C
2 rain days
Excellent
June
92
22°C
Low: 15°C
0 rain days
Excellent
July
Best time to visit93
24°C
Low: 17°C
1 rain days
Excellent
August
93
25°C
Low: 18°C
1 rain days
Excellent
September
93
25°C
Low: 18°C
1 rain days
Excellent
October
91
23°C
Low: 15°C
2 rain days
Excellent
November
86
20°C
Low: 12°C
3 rain days
Excellent
December
77
18°C
Low: 9°C
5 rain days
Good
Compare San Diego
Popular comparisons:
Planning a Trip to United States?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
🏛️ 121 countries·📅 Updated yearly·✈️ Free forever
What cities are near San Diego?
Data based on 1994–2024 averages · Last updated: 2024-12-31