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San Diego

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Travel Info
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Travel Info

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San Diego Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

San Diego year round climate

  • Spring (March–May): Average 58–62°F, mild and comfortable climate, less rainfall, abundant sunshine. Common activities: Outdoor activities, beach walks, sightseeing. Recommended clothing: Light jacket, long-sleeved shirts, comfortable shoes.
  • Summer (June–August): Average 66–73°F, hot and dry weather, abundant sunshine, very little rainfall. Common activities: Swimming, surfing, sunbathing, outdoor BBQ. Recommended clothing: Light and breathable clothing, hat, sunglasses, sunscreen.
  • Autumn (September–November): Average 67–60°F, pleasant climate, warm days, cool nights, little rainfall. Common activities: Hiking, viewing autumn leaves, enjoying seafood. Recommended clothing: Light jacket or cardigan, long-sleeved shirts or T-shirts.
  • Winter (December–February): Average 56–57°F, mild climate, occasional rainfall, but generally warm. Common activities: Whale watching, visiting museums, enjoying food. Recommended clothing: Light jacket, long-sleeved shirts, thermal underwear.

San Diego climatological average

Annual average temperature: approx. 63.7°F / Annual rainfall: approx. 267 mm / Summer humidity: 60%–70% / Rainiest month: January

San Diego monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
56.3°F
76
February
56.8°F
59.7
March
58.6°F
69
April
61.2°F
2.7
May
62.6°F
1.7
June
66.4°F
0.3
July
70.5°F
0
August
73.4°F
15.7
September
72.9°F
6.3
October
67.5°F
0.7
November
60.4°F
15.3
December
57.7°F
20

San Diego weather for the next seven days

3/23
Monday
Partly Cloudy
74.7°F/59.5°F
3/24
Tuesday
Partly Cloudy
71.4°F/60.4°F
3/25
Wednesday
Partly Cloudy
71.4°F/59.2°F
3/26
Thursday
Sunny
76.5°F/65.9°F
3/27
Friday
Sunny
80.2°F/66°F
3/28
Saturday
Partly Cloudy
79.3°F/67.8°F
3/29
Sunday
Partly Cloudy
77.5°F/68°F

San Diego Frequently Asked Questions and Useful Information for Travel

What is the best month to go to San Diego?

The fall months of September and October are often considered the best time to visit San Diego, offering a combination of excellent weather, Santa Ana breezes, fewer crowds, and affordable rates compared to peak summer. Spring (March to May) also presents good conditions for a visit, with mild weather, blooming flowers, and lower prices.

Is San Diego worth visiting as a tourist?

San Diego is absolutely worth visiting. Aptly nicknamed “America's Finest City,” it boasts an enviable mix of sandy beaches, sunny weather, and an array of attractions that appeal to just about everyone.

What is the first must do in San Diego?

The number one stop on any visitor's guide to San Diego, especially if it's your first visit, is the San Diego Zoo. This renowned zoo is spread over 100 acres of verdant land filled with over 3,000 animals and 800 species from all corners of the globe.

What is the number one tourist attraction in San Diego?

Balboa Park is the number one tourist attraction in San Diego. Known as the “Smithsonian of the West,” this urban park is a world unto itself. If you could only choose one thing to do in San Diego, a visit to Balboa Park is highly recommended.

What are some other popular attractions in San Diego?

Beyond the world-famous San Diego Zoo and Balboa Park, visitors flock to the beautiful beaches of La Jolla, the historic Gaslamp Quarter, and the USS Midway Museum for a taste of maritime history.