30YearWeather
San Diego
When to avoid visiting San Diego, United States
Seasonal Comparison

Least Favorable Months in San Diego

Based on 30 years of NASA satellite data, San Diego enjoys relatively good weather year-round. However, if you're comparing months, May, June, July are the least favorable — though still perfectly visitable.

May59/100June60/100July60/100

Good news: San Diego has no truly bad months!

With a score of 59/100, even May(the "worst" month) is still a reasonable time to visit. These months are simply the least favorable compared to other months in San Diego, not objectively bad. Many travelers enjoy visiting during these periods and benefit from lower prices and fewer crowds.

Why May is the Least Favorable (But Still Okay) Time to Visit San Diego

Is May a Good Time to Visit San Diego?

👌Worthwhile timing with some trade-offs
Short Answer

⚠️ May falls in San Diego's typhoon season. While daily weather averages 20°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

Peak tourist season

100% of annual peak - expect crowds and peak prices

Ideal temperature range

20.1°C - perfect for sightseeing and outdoor activities

Excellent dry conditions

Only 3% rain probability - ideal for outdoor activities

Plenty of sunshine

11.5h of sunshine daily

Exceptional dining scene

34 Michelin-listed restaurants

Good For

  • 👨‍👩‍👧‍👦
    Families with children

    Comfortable 20.1°C temperatures and low 3% rain risk

  • 🥾
    Outdoor enthusiasts

    Ideal hiking conditions: 20.1°C, 3% rain chance

  • 📸
    Photographers

    11.5h sunshine, 53% clear skies for golden hour shots

  • 🏛️
    Cultural tourists

    Comfortable conditions for exploring museums and sites

  • 💑
    Honeymoon couples

    Wedding score 100/100 with romantic weather conditions

Who Should Avoid

  • 🏖️
    Beach lovers

    Sea temperature only 17.9°C - too cold for comfortable swimming

  • 💰
    Budget travelers

    Peak season means premium prices everywhere

  • 👴
    Elderly travelers

    75% humidity creates difficult conditions

  • 💼
    Business travelers

    Storm season may cause flight disruptions

930 observations30-year historical data
Confidence: 99%

Key Challenges During These Months

Storm Season

Typhoons or hurricanes can disrupt travel and cause dangerous conditions

Months to Avoid: Detailed Breakdown

Worst59

May

Eastern Pacific Hurricane season active, Peak tourist season

View details
2nd Worst60

June

Eastern Pacific Hurricane season active

View details
3rd Worst60

July

Eastern Pacific Hurricane season active

View details

Looking for the Best Time Instead?

Discover the optimal months to visit San Diego with ideal weather conditions, fewer crowds, and better prices.

Best Time to Visit San Diego

Frequently Asked Questions

When should I avoid visiting San Diego?

Based on 30 years of data, the most challenging months are May, June, July. Primary concerns include: eastern pacific hurricane season active, peak tourist season.

What is the worst month to visit San Diego?

May is typically the most challenging month, scoring only 59/100 in our travel conditions analysis.

Can I still visit during these months?

Yes, many travelers still visit during challenging months. Come prepared with appropriate gear, flexible bookings, and backup plans. Lower prices and fewer tourists can offset the weather challenges.

Are hotels cheaper during these months?

Often yes. Low season typically means reduced hotel rates, easier reservations, and fewer crowds at popular attractions. Some travelers prefer this trade-off.