San Diego · July
Run in the morning.
Comfortable average high of 76°F, dipping to 65°F at night. Humidity averages 77% — the limiting factor on most runs. Dry month — only 1 measurable rain days on average. Humidity rises with the sun — morning runs catch the driest, coolest window.
Avg high / low
76° / 65°F
Humidity
77%
Rain days
1/mo
Wind
11 mph
What July feels like in San Diego
Sunrise
05:52
Mid-month average
Sunset
19:55
Mid-month average
Time-of-day breakdown
Morning
Coolest, driest air of the day. The window before sunrise is the most reliable comfortable hour.
Midday
Mild but UV and traffic peak. Workable if you don't mind shifting your pace.
Evening
Warm and runnable. Crowded routes but the air's typically calm.
What to wear running in San Diego in July
The kit for July in San Diego: shorts and a short-sleeve are the standard kit.
July vs the surrounding months
vs June
+4° avg high
-1 rain days
San Diego in June →
July
76°F avg high
1 rain days
Best: morning
vs August
-2° avg high
-1 rain days
San Diego in August →
Frequently Asked Questions
What is the best time of day to run in San Diego in July?+
Morning. Humidity rises with the sun — morning runs catch the driest, coolest window.
What's the average temperature in San Diego in July?+
Average high 76°F, average low 65°F.
How does July compare to surrounding months in San Diego?+
Compared to June (avg high 72°F), July is warmer. Compared to August (avg high 78°F), July is cooler.
Does it rain often in San Diego in July?+
Expect about 1 measurable rain days in July, on average.