Is San Diego hot in July?
Days are typically mild at 23.8°C, while nights average 18.8°C.
United States · 1991–2020 normal
San Diego in
July.
Typical July weather in San Diego: 23.8°C by day, 18.8°C at night, 2 mm of rain over 0.2 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high23.8°C
Typical low18.8°C
Rain2 mm
Wet days0.2
In the year-round weather comparison, July scores 92 out of 100 (October leads the year at 96). Daylight is calculated as 14 h 06 from latitude 32.72°. Open-water sea temperature is 20.2°C (11 km from the place centre).
July at a glance
What is San Diego like in July?
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Does it rain much?
The measured monthly average is 2 mm across about 0 wet days.
How much daylight is there?
There are about 14 h 06 between sunrise and sunset at mid-month, calculated from the place latitude.
Is July a good time to visit?
July ranks 2 of 12 in our weather comparison; October ranks first.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5391811
- NOAA station
- USW00023188 · SAN DIEGO INTL AP
- Station distance
- 2.6 km from the place centre
- Coverage
- Strong coverage · 30 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.
Next step
Choose your month.
Then plan the details.
The weather comparison for San Diego is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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