- Book tours, activities & experiences with free cancellation
- Receive full refund if you cancel at least 24 hours before
- Use 'Reserve Now & Pay Later' to secure activities today
San Diego weather in July 2023
- 2626°C max day temperature
- 11 day with some rainfall
- 1717°C min night temperature
- 1414 hours of daylight per day
- LLow heat & humidity
- 11 mm of monthly rainfall
- 1010 (Very High) UV index
- 2020°C sea temperature
Recommended for San Diego
The July 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.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Metric (°C / mm) | Imperial (°F / inches)
More about California
How hot is it in San Diego in July?
Daytime temperatures usually reach 26°C in San Diego in July with low heat and humidity, falling to 17°C at night.
How sunny is it in San Diego in July?
There are normally 10 hours of bright sunshine each day in San Diego in July - that's 72% of daylight hours.
How warm is the sea around San Diego in July?
The average sea temperature around San Diego in July is 20°C.
Does it ever rain in San Diego in July?
There is usually 1 day with some rain in San Diego in July and the average monthly rainfall is 1mm.
San Diego July sunrise & sunset times
Browse the sunrise and sunset times for San Diego in July 2023. Select a month to view San Diego sunrise and sunset times for the next 12 months.
|Date||Sunrise times||Sunset times|
|Saturday, 1st July 2023||05:44||20:01|
|Sunday, 16th July 2023||05:52||19:57|
|Monday, 31st July 2023||06:02||19:48|
Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers
We promise not to share your details
Popular travel offers
Explore holidays in the sun for less
- Beach holidays
- Family holidays
- City breaks
- Summer holidays
- Winter sun holidays
- Holiday offers
- Top travel brands
- Airlines & flights
- Discount hotels
- Airport parking deals
- British Airways
- easyJet holidays
- Love Holidays