San Diego weather in June 2025

Expect 23°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in San Diego in June. Check more long-term weather averages for San Diego in June before you book your next holiday to California in 2025/2026.

  • 23°C maximum daytime temperature in June in San Diego23
    23°C max day temperature
  • 9 hours of sunshine per day
  • 1 day with some rainfall in June in San Diego1
    1 day with some rainfall
  • 15°C minimum night-time temperature in June in San Diego15
    15°C min night temperature
  • 14 hours of daylight per day in June in San Diego14
    14 hours of daylight per day
  • No heat & humidity in June in San Diego0
    No heat & humidity
  • 2 mm monthly rainfall in June in San Diego2
    2 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in June in San Diego10
    10 (Very High) UV index
  • 18°C sea temperature in June in San Diego18
    18°C sea temperature

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The June weather guide for California (San Diego) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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More about California

How hot is it in San Diego in June?

Daytime temperatures usually reach 23°C in San Diego in June, falling to 15°C at night.

How sunny is it in San Diego in June?

There are normally 9 hours of bright sunshine each day in San Diego in June - that's 60% of daylight hours.

How warm is the sea around San Diego in June?

The average sea temperature around San Diego in June is 18°C.

Does it ever rain in San Diego in June?

There is usually 1 day with some rain in San Diego in June and the average monthly rainfall is 2mm.

San Diego June sunrise & sunset times

Browse the sunrise and sunset times for San Diego in June 2025. Select a month to view San Diego sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st June 2025 04:42 18:52
Sunday, 15th June 2025 04:40 18:58
Monday, 30th June 2025 04:44 19:01

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