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.

San Diego by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

When is the best time to visit San Diego?

The best time to visit San Diego is July and August based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

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Max Day Temperature (°C)

  • 19°C maximum daytime temperature in January in San Diego19
    Jan
  • 19°C maximum daytime temperature in February in San Diego19
    Feb
  • 19°C maximum daytime temperature in March in San Diego19
    Mar
  • 21°C maximum daytime temperature in April in San Diego21
    Apr
  • 21°C maximum daytime temperature in May in San Diego21
    May
  • 23°C maximum daytime temperature in June in San Diego23
    Jun
  • 26°C maximum daytime temperature in July in San Diego26
    Jul
  • 27°C maximum daytime temperature in August in San Diego27
    Aug
  • 26°C maximum daytime temperature in September in San Diego26
    Sep
  • 24°C maximum daytime temperature in October in San Diego24
    Oct
  • 22°C maximum daytime temperature in November in San Diego22
    Nov
  • 19°C maximum daytime temperature in December in San Diego19
    Dec

Hours of Sunshine (daily)

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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)

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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.

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