San Diego · October
Run in the morning.
Comfortable average high of 76°F, dipping to 60°F at night. Humidity rises with the sun — morning runs catch the driest, coolest window.
Avg high / low
76° / 60°F
Humidity
72%
Rain days
3/mo
Wind
11 mph
What October feels like in San Diego
Sunrise
06:53
Mid-month average
Sunset
18:14
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 October
The kit for October in San Diego: shorts and a short-sleeve are the standard kit.
October vs the surrounding months
vs September
-2° avg high
0 rain days
San Diego in September →
October
76°F avg high
3 rain days
Best: morning
vs November
+5° avg high
-1 rain days
San Diego in November →
Frequently Asked Questions
What is the best time of day to run in San Diego in October?+
Morning. Humidity rises with the sun — morning runs catch the driest, coolest window.
What's the average temperature in San Diego in October?+
Average high 76°F, average low 60°F.
How does October compare to surrounding months in San Diego?+
Compared to September (avg high 78°F), October is cooler. Compared to November (avg high 71°F), October is warmer.
Does it rain often in San Diego in October?+
Expect about 3 measurable rain days in October, on average.