Avg High
San Diego in July
Verdict
In San Diego, July has a distinct summer feel. As the season moves along, the weather is warming up. You can usually expect a warm month that feels reliable day to day. Midday sun can be a bigger factor than people expect.
It suits travellers who want straightforward weather for sightseeing and day trips. Midday sun is often the main comfort factor when you are outside.
Avg Low
Rain
Daylight
14h
What to expect
- Temperature feel - Pleasant warmth with evenings that feel distinctly cooler. It can feel warmer than expected in the sun.
- Wet weather - Dry conditions. Rain is usually intermittent rather than relentless. Rain is the exception rather than the rule.
- Midday sun - Very strong sun. Treat midday like 'high-exposure time'. A hat, sunscreen, and shade help a lot. This is a 'don't forget the hat' month.
- Wind feel - A steady breeze, and exposed areas feel sharper when gusts roll through. Sheltered streets can feel fine, but open areas feel very different.
July in context
How it compares to the rest of the year in San Diego.
Hottest (avg)
#3 / 12
Wettest (avg)
#11 / 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.