30YearWeather
San Francisco in October
San Francisco weather in October - United States
🌤️Mild & Comfortable

San Francisco Weather in October

Plan your October trip to San Francisco, United States. Based on 30 years of NASA data, expect temperatures of 20°C (high) to 12°C (low), with 7% rain probability and 8 hours of daily sunshine. The Pacific Ocean averages 16°C in October. Great conditions with only 0 rainy days expected.

Avg High
20°C

Hottest around day 3

Avg Low
12°C

Coolest around day 31

Rainy Days
0days

7% avg rain chance

Sunshine
8hrs/day

Autumn season

Sea Temperature in October

Pacific Ocean

16.2°C

Monthly Average

Water Feel
💧Refreshing

Consider a wetsuit for extended swimming

Swim Rating
🏄Cool, wetsuits recommended

Based on average sea surface temperature

Body of Water
Pacific Ocean

San Francisco coastline

San Francisco October Weather Calendar

Click any day to see detailed weather information

Essential Travel Info for San Francisco

Currency

USD

$ United States dollar

Language

English

Driving

Right side

Connect

Thearea codesfor San Francisco are 415 a...

Safety

Moderate Safety

GPI: 2.44

Travel Intelligence

Exclusive flight analytics & health data for San Francisco

Smart Flight Estimator

Airport-to-Airport Logistics

unlock smart flight estimates

Add your home location in settings to see airport details.

Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Major Hub
100/ 100
Traffic Index

Extremely busy airport

Peak Daily Arrivals

0

slots per day

Peak

Jul

Low

Jun

Monthly Traffic Distribution

497
Jan
532
Feb
563
Mar
577
Apr
633
May
0
Jun
2177
Jul
1338
Aug
2051
Sep
1911
Oct
1736
Nov
1892
Dec
Traffic Level
Low Season

Key Connections

Los Angeles (LAX)
Seattle Tacoma (SEA)
New York John F Kennedy (JFK)
Las Vegas McCarran (LAS)
Phoenix Sky Harbor (PHX)

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 Francisco?

👌A reasonable choice for your trip
Short Answer

⚠️ October falls in San Francisco's typhoon season. While daily weather averages 20°C with 7% 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

Peak tourist season

88% of annual peak - expect crowds and high prices

Ideal temperature range

20.4°C - perfect for sightseeing and outdoor activities

Excellent dry conditions

Only 7% rain probability - ideal for outdoor activities

Plenty of sunshine

9.2h of sunshine daily

Exceptional dining scene

151 Michelin-listed restaurants

Good For

  • 👨‍👩‍👧‍👦
    Families with children

    Comfortable 20.4°C temperatures and low 7% rain risk

  • 👴
    Elderly travelers

    Comfortable 20.4°C temperature range with manageable humidity

  • 🥾
    Outdoor enthusiasts

    Ideal hiking conditions: 20.4°C, 7% rain chance

  • 📸
    Photographers

    9.2h sunshine, 61% clear skies for golden hour shots

  • 🏛️
    Cultural tourists

    Comfortable conditions for exploring museums and sites

Who Should Avoid

  • 🏖️
    Beach lovers

    Sea temperature only 16.2°C - too cold for comfortable swimming

  • 💰
    Budget travelers

    Peak season means premium prices everywhere

  • 💼
    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 Francisco in October averages 20°C with 7% precipitation probability."

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

Frequently Asked Questions: San Francisco in October

What are the temperatures in San Francisco in October?

Daytime highs average 20°C, nights drop to 12°C. Temperatures remain fairly consistent.

How many rainy days in San Francisco in October?

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

What to wear in San Francisco in October?

Layers are key. A medium-weight jacket and closed-toe shoes.

Is October peak season in San Francisco?

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