San Diego weather in October
San Diego in October averages 20°C (68°F) and 13 mm of rain. It is one of the driest months of the year here.
Of the twelve months in San Diego, October is the fourth warmest and the sixth driest.
- Average temp
- 20°C (68°F)
16–23°C · 61–74°F
- Rainfall
- 13 mm
Not much rain
- Sunshine
- —
- Wind
- 9 km/h
What is San Diego like in October?
Daytime
Days are mild.
Rain
Rain is usually light.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for San Diego in October?
A layer for the evening
Evenings cool off noticeably once the sun is down.
October compared with September and November
October in San Diego is 2.1°C cooler than September and 10 mm wetter than it, which averages 22°C (71°F).
October in San Diego is 3°C warmer than November and about as wet as it, which averages 17°C (62°F).
Daylight in San Diego in October
On 15 October the sun is up for 11 hours 22 minutes in San Diego, rising about 06:53 and setting about 18:14 local time.
October ends 57 minutes shorter than it begins, so the last week of the month is a different length of day from the first.
That is 2 hours 56 minutes short of June, the longest-lit month here.
Where to stay in San Diego
Dates are a starting point for October.
Travel guides for San Diego
What to read before you book.
San Diego weather by month
TemperatureRainfall
How October compares with the rest of the year
October is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 14°C / 58°F | 50 mm |
| February | 15°C / 59°F | 56 mm |
| March | 16°C / 60°F | 37 mm |
| April | 17°C / 62°F | 17 mm |
| May | 18°C / 64°F | 7 mm |
| June | 19°C / 67°F | 1 mm |
| July | 21°C / 70°F | 2 mm |
| August | 22°C / 72°F | 0 mm |
| September | 22°C / 71°F | 3 mm |
| October | 20°C / 68°F | 13 mm |
| November | 17°C / 62°F | 20 mm |
| December | 14°C / 58°F | 42 mm |
Check another month
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FAQs about San Diego in October
October climate averages for San Diego, 1991–2020.
San Diego averages 20°C (68°F) in October, ranging from about 16°C (61°F) at night to 23°C (74°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Barely. October sees only about 13 mm, so rain is unlikely to affect your plans.
Yes. October averages 20°C (68°F) against 17°C (62°F) in November — 3°C warmer.
October is 2.1°C cooler than September, and about as wet.
Yes. October falls inside the most comfortable stretch of the year here, May to October, on temperature and rainfall together.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what October is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 11 hours 22 minutes of daylight in mid-October, against 14 hours 18 minutes in June and 10 hours 1 minute in December.
On 15 October, sunrise is about 06:53 and sunset about 18:14 local time. Both shift across the month — the month ends 57 minutes shorter than it starts.
