Hottest (avg)
#3 / 12
San Diego in July
July weather, climate averages, and packing tips.
Avg High
Avg Low
Rain
Daylight 14h
What to expect
As summer continues, July brings, where the weather is warming up. Daytime highs average 24°C / 76°F, dropping to 17°C / 63°F at night.
It is one of the drier times of year, though occasional showers are still possible. The sun is very strong at this time of year, making sun protection essential during the day.
July in context
How it compares to the rest of the year in San Diego.
Wettest (avg)
#2 / 12
Daylight Hours
#2 / 12
Windiest (avg)
#4 / 12
Highest UV
#1 / 12
Most Humid
#2 / 12
Temperature
- Daytime high
-
- Nighttime low
-
- Feels like (avg)
-
Sunshine
- Daylight
- 14.1 hours
- UV index (max)
- 9
- Typical sun hours
- 04:52 – 18:55
Rain & Snow
- Total
-
- Rainy days
- 1
- Cloud cover
- 31%
- Snowfall
-
Humidity & Wind
- Humidity (avg)
- 78%
- Wind (avg)
-
- Wind (max gusts)
-
Frequently asked questions
Is July a good time to visit San Diego?
Typical July days in San Diego reach highs of 24°C (75°F) with nights around 17°C (63°F). It usually feels warm by day and mild after dark. It is one of the drier months, which suits outdoor exploring and sightseeing.
What are temperatures like in July?
In July, you can usually expect highs of 24°C (75°F) and lows near 17°C (63°F). That means warm days and mild nights, so pack layers you can add or remove.
How much does it rain in July?
Rainfall in July averages 2 mm (0.08 in) across roughly 1 days. Overall it is a mostly dry time of year, so showers are usually brief rather than all-day downpours.
How many hours of daylight are there in July?
You can expect about 14 hours of daylight in July. Sunrise is typically around 04:52 and sunset near 18:55. You get long days with comfortable amounts of daylight.
How strong is the sun in July?
UV levels frequently reach very high levels (around 9), so strong sun protection is essential, especially around midday.
Is it windy in July?
In July, average wind speeds are around 10 km/h (6 mph), with gusts on the windiest days reaching about 37 km/h (23 mph). On the ground, it is a gentle to moderate breeze is common, but stronger winds are not frequent.