30YearWeather
Porto
When to avoid visiting Porto, Portugal
Seasonal Comparison

Least Favorable Months in Porto

Based on 30 years of NASA satellite data, Porto enjoys relatively good weather year-round. However, if you're comparing months, October, January, November are the least favorable — though still perfectly visitable.

October60/100January61/100November61/100

Good news: Porto has no truly bad months!

With a score of 60/100, even October(the "worst" month) is still a reasonable time to visit. These months are simply the least favorable compared to other months in Porto, not objectively bad. Many travelers enjoy visiting during these periods and benefit from lower prices and fewer crowds.

Why October is the Least Favorable (But Still Okay) Time to Visit Porto

Is October a Good Time to Visit Porto?

👌Worthwhile timing with some trade-offs
Short Answer

October is Porto's peak season for good reason: 20°C temperatures and 37% rain probability. But expect crowds (86% of annual maximum) and premium prices.

Decision Factors

Vaccinations required

Yellow Fever

Very high humidity

81% average humidity

Rough sea conditions

2.08m average wave height - Surfers Only

Peak tourist season

86% of annual peak - expect crowds and high prices

Ideal temperature range

20.3°C - perfect for sightseeing and outdoor activities

Health precautions needed

Be aware of: Leptospirosis, Leishmaniasis, Zika

Good For

  • 🏛️
    Cultural tourists

    Comfortable conditions for exploring museums and sites

  • 💼
    Business travelers

    Climate-controlled meetings unaffected by weather

  • 🎯
    Adventure seekers

    2.08m waves - good for surfing and water sports

Who Should Avoid

  • 💰
    Budget travelers

    Peak season means premium prices everywhere

  • 👴
    Elderly travelers

    81% humidity creates difficult conditions

930 observations30-year historical data
Confidence: 99%

Key Challenges During These Months

Challenging Conditions

Weather conditions may limit outdoor activities and sightseeing options

Months to Avoid: Detailed Breakdown

Worst60

October

Very high humidity, Rough sea conditions

View details
2nd Worst61

January

Very high humidity, Rough sea conditions

View details
3rd Worst61

November

Very high humidity, Rough sea conditions

View details

Looking for the Best Time Instead?

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

Best Time to Visit Porto

Frequently Asked Questions

When should I avoid visiting Porto?

Based on 30 years of data, the most challenging months are October, January, November. Primary concerns include: very high humidity, rough sea conditions.

What is the worst month to visit Porto?

October is typically the most challenging month, scoring only 60/100 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.