30YearWeather
San Diego in October
San Diego weather in October - United States
😊Warm & Pleasant

San Diego Weather in October

Plan your October trip to San Diego, United States. Based on 30 years of NASA data, expect temperatures of 23°C (high) to 15°C (low), with 3% rain probability and 8 hours of daily sunshine. The Coastal Waters averages 19°C in October. Great conditions with only 0 rainy days expected.

Avg High
23°C

Hottest around day 1

Avg Low
15°C

Coolest around day 31

Rainy Days
0days

3% avg rain chance

Sunshine
8hrs/day

Autumn season

Sea Temperature in October

Coastal Waters(Ocean)

18.6°C

Monthly Average

Water Feel
🏊Pleasant

Comfortable for most swimmers

Swim Rating
👍Good for swimming

Based on average sea surface temperature

Body of Water
Coastal Waters

Ocean

San Diego coastline

San Diego October Weather Calendar

Click any day to see detailed weather information

Currency

USD

$ United States dollar

Language

English

Driving

Right side

Connect

The most common area code for San Diego ...

Safety

Moderate Safety

GPI: 2.44

Travel Intelligence

Exclusive flight analytics & health data for San Diego

Smart Flight Estimator

Airport-to-Airport Logistics

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Add your home location in settings to see airport details.

Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Well Connected
70/ 100
Traffic Index

Popular destination

Peak Daily Arrivals

0

slots per day

Peak

May

Low

Nov

Monthly Traffic Distribution

296
Jan
307
Feb
335
Mar
382
Apr
447
May
341
Jun
328
Jul
357
Aug
334
Sep
312
Oct
281
Nov
316
Dec
Traffic Level
Low Season

Key Connections

San Francisco (SFO)
Las Vegas McCarran (LAS)
Phoenix Sky Harbor (PHX)
Denver (DEN)
San Jose Norman Y. Mineta (SJC)

Health & Safety Advisory

CDC travel health recommendations

No Requirements

No Special Vaccinations Required

Standard travel precautions apply

Source: CDC Travelers' Health

View Complete Health Guide

Is October a Good Time to Visit San Diego?

👌Worthwhile timing with some trade-offs
Short Answer

⚠️ October falls in San Diego's typhoon season. While daily weather averages 23°C with 3% rain, tropical storms can disrupt travel. Flexible bookings recommended.

Decision Factors

Eastern Pacific Hurricane season active

Eastern Pacific zone - expect potential eastern pacific hurricane activity

Ideal temperature range

23.3°C - perfect for sightseeing and outdoor activities

Excellent dry conditions

Only 3% rain probability - ideal for outdoor activities

Plenty of sunshine

9.8h of sunshine daily

Shoulder season - balanced conditions

70% of peak - good value with moderate crowds

Exceptional dining scene

34 Michelin-listed restaurants

Good For

  • 👨‍👩‍👧‍👦
    Families with children

    Comfortable 23.3°C temperatures and low 3% rain risk

  • 👴
    Elderly travelers

    Comfortable 23.3°C temperature range with manageable humidity

  • 🥾
    Outdoor enthusiasts

    Ideal hiking conditions: 23.3°C, 3% rain chance

  • 📸
    Photographers

    9.8h sunshine, 66% clear skies for golden hour shots

  • 🏛️
    Cultural tourists

    Comfortable conditions for exploring museums and sites

Who Should Avoid

  • 💼
    Business travelers

    Storm season may cause flight disruptions

930 observations30-year historical data
Confidence: 99%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,San Diego in October averages 23°C with 3% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: San Diego in October

What are the temperatures in San Diego in October?

Daytime highs average 23°C, nights drop to 15°C. Temperatures remain fairly consistent.

How many rainy days in San Diego in October?

Expect around 0 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in San Diego in October?

Comfortable casual wear with a light jacket for evenings.

Is October peak season in San Diego?

This is typically peak season with higher prices. Book 2-3 months ahead.