The highest day temperature in June 2026 was 99°F. The lowest night temperature was 78°F. The average values for day and night temperatures during June were 93.3°F и 82.6°F respectivly.

The average sea surface temperature in June 2026 for San Diego was 88.9°F. The maximum and minimum values were 87.8°F and 90.4°F respectively.

Most of the days in June are gloomy but you can also expect sunny days.

Precipitation total in June for San Diego is 5.4 in. It makes june the most rainy month of the year.

The average wind speed in June is 8.1 mph. It makes June one of the most windless months of the year for San Diego.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for San Diego in June is 5.0 hours.