Mid-summer · Weather & things to do
Downtown San Diego & Gaslamp Quarter in July
Downtown San Diego & Gaslamp Quarter sees its driest month, with just 0.2 in (4 mm) of rain, highs of 88°F (31°C) and lows of 66°F (19°C).
Its comfort score of 68/100 is still Good, though it ranks 11th of 12 here.

- Avg high
- 88°F (31°C)
- Avg low
- 66°F (19°C)
- Rain
- 0.2 in (4 mm)
- Humidity
- 58%
- Cloud cover
- 75%
- Daylight
- ~13 h 57 min
- Comfort score
- 68/100 · Good
What July feels like
Expect proper heat: afternoons average 88°F (31°C), so plan walking and hiking for the morning and save midday for shade, lunch or a swim.
There's a big swing between day and night, about 13°C (23°F), so mornings and evenings feel much cooler than the afternoon.
It's one of the drier stretches, with only about 0.2 in (4 mm) of rain.
Expect plenty of overcast days, with cloud cover near 75%.
Plan around July
July is one of the lower-scoring months here; the best are October – March.
- The year's biggest warm-up: highs jump 4°C (6°F) from June.
- Comfort slips from 80/100 in June to 68/100.
- Our San Diego New Year's Eve route is planned for Dec 30 – Jan 1, a window set by the holiday season rather than the weather — July falls outside it.
What to pack for July
- Light, breathable clotheshighs average 88°F
- Sunscreen, sunglasses and a hatstrong sun this month
- Refillable water bottleeasy to dehydrate in the heat
- A warm layer for eveningslows near 66°F
- Comfortable walking shoesmost picks involve some walking
What to do in Downtown San Diego & Gaslamp Quarter in July
Afternoons run hot (88°F), so these picks mix early-start outdoor spots with cool indoor breaks.
Altitude Sky Lounge
Rooftop bar on top of the Marriott Gaslamp Quarter, looking down into Petco Park.
Why now July scores 68/100 for comfort, good conditions for being outside.
Coronado Ferry Landing
Shops and a small park at the Coronado ferry pier, facing the downtown skyline across the bay.
Why now Highs near 88°F and 0.2 in of monthly rain make this an easy outdoor pick.
Gaslamp Quarter
Sixteen blocks of Victorian-era buildings along Fifth Avenue, full of bars, clubs and restaurants.
SeaWorld San Diego
Marine park on Mission Bay whose Christmas Celebration ends New Year's Eve with fireworks at about 9 pm.
Why now One to do outside while the weather is on your side.
Nearby in July
- La Jolla in July~11 mi · highs 74°F, 0.2 in rain · 8°C (14°F) cooler by day, about as wet
- Palm Springs in July~85 mi · highs 109°F, 0.4 in rain · 11°C (21°F) warmer by day, about as wet
- Joshua Tree in July~108 mi · highs 102°F, 0.4 in rain · 8°C (14°F) warmer by day, about as wet
- Los Angeles in July~112 mi · highs 89°F, 0.1 in rain · similar daytime temperatures, about as wet
NASA POWER 2001–2025 monthly averages on a ~50 km grid, temperatures adjusted from the grid cell's ~394 m to Downtown San Diego & Gaslamp Quarter's ~10 m elevation (standard lapse rate). Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Downtown San Diego & Gaslamp Quarter in July: quick answers
Is July a good time to visit Downtown San Diego & Gaslamp Quarter?
It's one of the tougher months here, scoring 68/100, held back mainly by cloud cover. The best months are October – March. Expect highs of 88°F (31°C) and 0.2 in (4 mm) of rain.
How hot is Downtown San Diego & Gaslamp Quarter in July?
Average highs are 88°F (31°C) and average lows 66°F (19°C), making it the 2nd-warmest month by daytime highs.
Does it rain a lot in Downtown San Diego & Gaslamp Quarter in July?
Not much: about 0.2 in (4 mm) of rain falls across July on average, the 2nd-driest month of the year. The annual total is about 10.6 in (268 mm).
What should I pack for Downtown San Diego & Gaslamp Quarter in July?
Bring light, breathable clothes (highs average 88°F), sunscreen, sunglasses and a hat (strong sun this month), refillable water bottle (easy to dehydrate in the heat), a warm layer for evenings (lows near 66°F) and comfortable walking shoes (most picks involve some walking).
More on Downtown San Diego & Gaslamp Quarter
Planning Downtown San Diego & Gaslamp Quarter in July?
Share this July plan with your group, poll everyone on dates and keep the packing list in one place.


