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Best time to visit San Diego
Find the best time to visit San Diego and plan your perfect trip in 2023/2024. Get holiday inspiration, weather guides, travel advice and find great deals.
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San Diego by month
When is the best time to visit San Diego?
Max Day Temperature (°C)
Recommended for San Diego
Best time to visit
The weather guide for California (San Diego) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
Which is the hottest month in San Diego?
The hottest time of year in San Diego is normally August. Expect maximum daytime temperatures to reach 27°C with moderate heat and humidity.
Which month has the most rain in San Diego?
In terms of rainfall, January is usually the wettest month in San Diego with 53mm on average. There are normally 6 days in January with some rain.
When is it sunniest in San Diego?
The sunniest time of year in San Diego is normally January with bright sunshine on average for 76% of daylight hours; that's 8 hours of sunshine per day.
When is the sea warmest in San Diego?
The sea is usually at its warmest in San Diego in August when the water temperature reaches 20°C.
California travel features
Do you want to learn more about California? Read our latest features covering travel tips and insider destination guides on where to go and what to do in California.
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