Month-by-month travel weather
San Diego October weather
San Diego, United States · October
Day vs night planning matters
October is often comfortable and still warm by day, with less heat stress than peak summer.
Evenings cool down, so a thin layer can be useful if you stay out late.
October averages at a glance
Average low
around 15–17°C
Average high
around 23–26°C
Average precipitation
around 5–20 mm
Rainy days
about 1–3 days
What to wear in October in San Diego
Actual feel will change with wind and rain, but use the suggestions below to build a comfortable layered outfit.
- • Mix of T-shirts and long sleeves works well.
- • A thin evening layer helps.
- • Optional sunscreen on warm spells.
Travel tips for visiting San Diego in October
- • Even if the day is warm, late hours can feel cooler on the coast.
- • Rain can start to appear occasionally—keep plans flexible.
October weather in San Diego — FAQ
Q. Is October a good time to visit?
A. Often yes—comfortable days with cooler evenings.
Q. Is it rainy?
A. Usually still fairly dry, with occasional rain possible.
Explore San Diego
These pages are connected so you can compare conditions and decide for yourself.