San Diego in October
The weather in October
In October, San Diego averages daytime highs of 75° and night-time lows of 59° — warm weather by day. Expect around 0.5 in of precipitation spread over about 2 wet days, with average cloud cover near 23%.
Days are 1.4° cooler than in September on average, and November is cooler again by about 2.2°. The sea averages 67°, bracing but swimmable.
October scores 95/100 — excellent conditions for sightseeing — and ranks 4th of the twelve months for San Diego. For the most comfortable weather, consider May, June and July instead.
Around the middle of the month the sun rises at 06:53 and sets at 18:17 local time, giving 11 h 24 min of daylight. Days shorten by 57 minutes over the month.
Why 95/100?
How the score for October is builtBeach score this month: 77/100 (adds sea temperature and heat).
Comfort peaks for daytime highs between 18° and 25°C (64–77°F).
Festivals in San Diego in October
- San Diego International Film FestivalFilm festivalSan Diego
Only the month is given: the exact dates change from year to year.
Around San Diego this month
Chula Vista
United States's best in October
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Reno
Carson City
San Diego in October: quick answers
Is October a good time to visit San Diego?
October scores 95/100 for San Diego, which we rate as excellent. Average highs are 75°F with 2 wet days.
How warm is San Diego in October?
Daytime highs average 75°F and night-time lows 59°F in October.
Does it rain a lot in San Diego in October?
San Diego receives about 0.5 in of precipitation in October, falling on around 2 days.
Can you swim in San Diego in October?
The sea averages 67°F in October, refreshing but swimmable.