What is the weather like in San Francisco throughout the year?

San Francisco experiences varying weather throughout the year. The warmest month is September with average highs of 22°C. The coolest month is December.

What is the weather like in San Francisco in June?

San Francisco in June scores 60/100 based on 30 years of climate data. A reasonable choice for your trip.

Who should visit San Francisco in June?

June in San Francisco is ideal for: Budget travelers, Families with children, Elderly travelers, Outdoor enthusiasts, Photographers.

Best Time to Visit San Francisco | 30-Year Weather Analysis

Why June is the Best Time to Visit San Francisco

Is June a Good Time to Visit San Francisco?

👌A reasonable choice for your trip(60/100)

Short Answer

June brings storm season risk to San Francisco. While typical weather is 20°C with 1% rain, plan for potential disruptions and secure cancellation-friendly bookings.

Decision Factors

Eastern Pacific Hurricane season active

Eastern Pacific zone - expect potential eastern pacific hurricane activity

Off-peak season - fewer crowds

Only 0% of peak - better deals and empty crowds

Excellent dry conditions

Only 1% rain probability - ideal for outdoor activities

Cold sea - swimming challenging

14.2°C sea temperature - Polar Plunge

Plenty of sunshine

12.9h of sunshine daily

Exceptional dining scene

151 Michelin-listed restaurants

Good For

💰
Budget travelers
Off-peak pricing with acceptable weather conditions
👨‍👩‍👧‍👦
Families with children
Comfortable 19.7°C temperatures and low 1% rain risk
👴
Elderly travelers
Comfortable 19.7°C temperature range with manageable humidity
🥾
Outdoor enthusiasts
Ideal hiking conditions: 19.7°C, 1% rain chance
📸
Photographers
12.9h sunshine, 64% clear skies for golden hour shots

Who Should Avoid

🏖️
Beach lovers
Sea temperature only 14.2°C - too cold for comfortable swimming
💼
Business travelers
Storm season may cause flight disruptions

Warmest

September

22°C avg

Coolest

December

13°C avg

Driest

August

0% rain

Wettest

December

29% rain

Planning Your Trip to San Francisco, United States

Wondering when is the best time to visit San Francisco? Based on our analysis of 30 years of NASA satellite weather data, the ideal months to travel to San Francisco are June, July, August. During these months, you'll experience optimal temperatures around 20°C with only 1% chance of rain.

The San Francisco climate varies throughout the year. September is the hottest month with average highs of 22°C, while December is the coldest at 13°C. If you're planning outdoor activities or sightseeing in San Francisco, avoid December when rainfall peaks at 29% probability.

For the best San Francisco weather experience, we recommend visiting during August for the driest conditions or the shoulder months of June and July for a perfect balance of weather and fewer crowds.

San Francisco Weather by Month: Climate Guide

Click any month to explore detailed daily forecasts for San Francisco

🏆 85-100: Excellent👍 70-84: Great👌 55-69: Good🤔 40-54: Fair⚠️ 0-39: Challenging

When to Visit San Francisco: Travel Style Guide

Personalized San Francisco travel recommendations based on 30-year weather data

Budget Travelers

Shoulder season with good weather and lower prices

AprilNovember

Avoiding Crowds

Fewer tourists with acceptable weather conditions

JanuaryFebruaryMarch

Photography

Best light conditions with clear skies

JulyAugustJune

Honeymoon

Perfect conditions for a romantic getaway

AprilMayJune

San Francisco Weather FAQ: Your Questions Answered

What is the best time to visit San Francisco?

Based on 30 years of weather data, the best months to visit San Francisco are June, July, August. These months offer the optimal combination of pleasant temperatures (20°C avg) and low rainfall (1% chance).

When is the hottest time of year in San Francisco?

September is historically the warmest month in San Francisco with average highs of 22°C. If you prefer cooler weather, consider visiting in December when temperatures average around 13°C.

When is the rainy season in San Francisco?

December typically sees the most rainfall in San Francisco with a 29% chance of rain. For the driest conditions, plan your visit in August when rain probability drops to just 0%.

How accurate is the San Francisco weather forecast?

Our San Francisco climate analysis is based on 30 years of NASA POWER satellite observations (1995-2024), providing highly accurate historical averages. While weather can vary year to year, these long-term patterns are excellent indicators for planning your trip to San Francisco.

What should I pack for San Francisco?

Packing depends on when you visit. In September (warmest month), pack light summer clothes for 22°C weather. In December (coolest month), bring layers for 13°C temperatures.

Is San Francisco good for a destination wedding?

Yes! The best months for an outdoor wedding in San Francisco are August (only 0% rain chance) and June for optimal weather conditions. Avoid December when rain probability peaks at 29%.