16-Day Forecast
Today
7 Sept
36°C
Daytime High
22.8°C sea
23°C
Overnight Low
☀☀☀○○
6.8h sun
Tue
8 Sept
35°C
Daytime High
22.5°C sea
24°C
Overnight Low
☀☀☀☀☀
9.7h sun
Wed
9 Sept
29°C
Daytime High
22.9°C sea
24°C
Overnight Low
☀☀☀☀☀
12.1h sun
2.6mm rain
Thu
10 Sept
26°C
Daytime High
22.8°C sea
23°C
Overnight Low
☀☀☀☀☀
12.1h sun
0.3mm rain
Fri
11 Sept
25°C
Daytime High
23.2°C sea
22°C
Overnight Low
☀☀☀☀☀
12.1h sun
Sat
12 Sept
23°C
Daytime High
23.2°C sea
21°C
Overnight Low
☀☀☀☀☀
12h sun
Sun
13 Sept
23°C
Daytime High
23.4°C sea
20°C
Overnight Low
☀☀☀☀☀
11.9h sun
Mon
14 Sept
23°C
Daytime High
23.6°C sea
21°C
Overnight Low
☀☀☀☀☀
12h sun
Tue
15 Sept
24°C
Daytime High
~21.2°C sea
21°C
Overnight Low
☀☀☀☀☀
12h sun
Wed
16 Sept
25°C
Daytime High
~21.2°C sea
22°C
Overnight Low
☀☀☀☀☀
11.9h sun
Thu
17 Sept
27°C
Daytime High
~21.2°C sea
22°C
Overnight Low
☀☀☀☀☀
11.9h sun
Fri
18 Sept
28°C
Daytime High
~21.2°C sea
23°C
Overnight Low
☀☀☀☀☀
11.4h sun
Sat
19 Sept
27°C
Daytime High
~21.2°C sea
23°C
Overnight Low
☀☀☀☀☀
11.8h sun
Sun
20 Sept
26°C
Daytime High
~21.2°C sea
22°C
Overnight Low
☀☀☀☀☀
11.8h sun
Mon
21 Sept
26°C
Daytime High
~21.2°C sea
22°C
Overnight Low
☀☀☀☀☀
11.7h sun
Tue
22 Sept
26°C
Daytime High
~21.2°C sea
22°C
Overnight Low
☀☀☀☀☀
11.3h sun
☀ = sunshine score · °C high / low · hours of sunshine shown below
About San Diego
San Diego, USA stands out as one of North America's most consistently pleasant beach destinations, offering year-round sunshine that draws families, couples, and adventure seekers alike. With its combination of perfect weather, stunning Pacific coastline, and vibrant cultural attractions, San Diego delivers the quintessential California sunshine holiday experience that keeps visitors returning season after season. Whether you're planning to relax on pristine sandy beaches, explore world-class museums, or catch some of the best waves on the West Coast, San Diego's Mediterranean-like climate ensures you'll spend more time enjoying outdoor activities and less time worrying about weather disruptions.
The climate in San Diego, USA is remarkably consistent throughout the year, much like southern Spain or the Canary Islands, making it an ideal destination for those seeking reliable sunshine. Peak summer temperatures reach around 25°C, while winter months average a comfortable 18°C, meaning even the cooler season remains pleasantly warm for outdoor exploration. The Pacific Ocean reaches its warmest around 22°C during the summer months, perfect for swimmers and water sports enthusiasts who want to enjoy the sea without extreme heat. This mild, stable climate is maintained by the cool California Current that flows along the coast, creating a natural temperature regulator that prevents the extreme heat found in inland areas.
The best time to visit San Diego depends on your preferences, though the warmest and sunniest months of June through September offer peak beach conditions and water temperatures ideal for swimming. However, holidays in San Diego remain excellent throughout the year, with spring and autumn providing slightly fewer crowds and equally pleasant weather for exploring the city's diverse neighborhoods and attractions. Even winter months attract visitors seeking a break from harsher climates, as the mild 18°C temperatures still allow comfortable beachside dining and outdoor sightseeing.
San Diego's attractions cater to every type of traveler, from the iconic San Diego Zoo and Balboa Park museums to the laid-back beach town vibes of Pacific Beach and the Mission. Food lovers will find everything from fresh seafood restaurants overlooking the ocean to authentic Mexican cuisine reflecting the region's cultural heritage. Adventure seekers can enjoy surfing, paddleboarding, hiking along coastal trails, or exploring the nearby wine region of Temecula, while families appreciate the numerous beaches and attractions suitable for all ages.
Getting to San Diego, USA is convenient with direct flights available from major cities across Germany, the Netherlands, Canada, and throughout the United States. International visitors from the United Kingdom, Ireland, France, Scandinavia, and Australia can access San Diego through convenient one-stop connections, while travelers from southern Europe including Spain, Italy, and Switzerland will also find straightforward routing options.
Typical rainfall & humidity in San Diego
Jan
99.8mm · 68%
Feb
84.3mm · 75%
Mar
112.2mm · 78%
Apr
9mm · 75%
May
7.1mm · 74%
Jun
4.2mm · 76%
Jul
0mm · 78%
Aug
18mm · 78%
Sep
20.7mm · 78%
Oct
20.7mm · 73%
Nov
52.8mm · 67%
Dec
31.9mm · 71%
Average monthly rainfall and relative humidity, based on the last 3 years of historical data.