Month guide · San Diego · United States
San Diego in July
What July is really like in San Diego: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
Photo: Alfred Twu, CC0
Quick answer
July is a quieter month with trade-offs. Expect average highs of 24°C (75°F), lows of 19°C (66°F), about 0 rainy days and roughly 14.1 hours of daylight. Sunny and warm, with the busiest beaches and the highest hotel rates of the year, especially during Comic-Con.
Key facts
- Average high / low
- 24°C (75°F) / 19°C (66°F)
- Rainy days
- About 0
- Daylight
- About 14.1 hours
- Sea temperature
- 21°C (70°F)
- Crowds
- Very busy
- Hotel prices
- Highest
Weather in July
July is the 3rd-warmest month in San Diego: days average 24°C (75°F) against a yearly average high of 22°C (72°F), and nights fall to about 19°C (66°F). Rain falls on roughly 0 of its 31 days. Compared with June (22°C (72°F)), July is warmer; by August highs stay near 25°C (77°F).
- Sunrise (15 July)
- About 05:51
- Sunset (15 July)
- About 19:58
- Daylight
- About 14.1 hours
- Sea
- 21°C (70°F)
Summer (June–August). Grey mornings in June, then reliable sun, warm water and peak crowds; Comic-Con and the Del Mar fair and races drive up prices.
Crowds and prices
On a 1–5 scale, July rates 5 for crowds (the peak is July at 5) and 5 for hotel prices (highest in July). Book accommodation early: July is one of the pricier months.
Events in July
- San Diego Comic-Con (usually July)
- Big Bay Boom fireworks on the bay (4 July)
- San Diego Pride (usually mid-July)
- Del Mar racing season opens (usually July)
Dates move from year to year. Check the organiser’s site before booking travel around an event.
What to do in July
Mild, settled days suit walking, viewpoints and time outdoors.

Neighbourhood · Little Italy
Little Italy
Come for the Saturday market and stay for lunch on Piazza della Famiglia.
- Time needed
- 2–3 hours
- Cost
- Free
- Food
- Free
- Shopping

Religious site · Mission Valley
Mission San Diego de Alcalá
Founded in 1769 by Junípero Serra, this was the first of California's 21 Spanish missions; it moved to its current site in 1774.
- Time needed
- 1 hour
- Cost
- Low cost
- History
- Architecture
- Off the beaten path
Theme park · Mission Bay
SeaWorld San Diego
Check the day's show and ride schedule on arrival and plan around it; queues are shortest early and late.
- Time needed
- Full day
- Cost
- Expensive
- Kids
- Active
Park · Barrio Logan
Chicano Park
Under the Coronado Bridge ramps in Barrio Logan, more than 70 large murals painted on the concrete pillars tell the history of the Chicano movement and Mexican-American San Diego.
- Time needed
- 1 hour
- Cost
- Free
- Free
- Art
- History
- Off the beaten path
The sea averages 21°C (70°F) — warm enough to swim. Best beaches near San Diego.
What to pack
For highs near 24°C, lows near 19°C and 0 wet days: light layers for the day and a light jacket for the evening; comfortable walking shoes.
Is July a good time to visit San Diego?
A quieter month with trade-offs, with 4 notable events on the calendar. If your dates are flexible, April–May and September–October are better overall. Compare every month.
San Diego in other months
Questions travellers ask
+Is July a good time to visit San Diego?
It is a quieter month with trade-offs. Sunny and warm, with the busiest beaches and the highest hotel rates of the year, especially during Comic-Con.
+How warm is San Diego in July?
Average highs are around 24°C (75°F) and lows around 19°C (66°F).
+Does it rain a lot in San Diego in July?
Expect rain on about 0 days of the month, so it is usually dry.