What is the weather like in Lisbon throughout the year?

Lisbon experiences varying weather throughout the year. The warmest month is August with average highs of 27°C. The coolest month is January.

What is the weather like in Lisbon in May?

Lisbon in May scores 68/100 based on 30 years of climate data. Solid choice for most travelers.

Who should visit Lisbon in May?

May in Lisbon is ideal for: Budget travelers, Families with children, Elderly travelers, Outdoor enthusiasts, Photographers.

Best Time to Visit Lisbon | 30-Year Weather Analysis

Why May is the Best Time to Visit Lisbon

Is May a Good Time to Visit Lisbon?

👍Solid choice for most travelers(68/100)

Short Answer

Hidden gem: Lisbon in May offers 22°C and 10% rain at just 27% of peak crowds. Excellent value without sacrificing weather quality.

Decision Factors

Vaccinations required

Yellow Fever

Off-peak season - fewer crowds

Only 27% of peak - better deals and quiet crowds

Ideal temperature range

21.8°C - perfect for sightseeing and outdoor activities

Excellent dry conditions

Only 10% rain probability - ideal for outdoor activities

Health precautions needed

Be aware of: Leptospirosis, Leishmaniasis, Zika

Plenty of sunshine

12.2h of sunshine daily

Good For

💰
Budget travelers
Off-peak pricing with acceptable weather conditions
👨‍👩‍👧‍👦
Families with children
Comfortable 21.8°C temperatures and low 10% rain risk
👴
Elderly travelers
Comfortable 21.8°C temperature range with manageable humidity
🥾
Outdoor enthusiasts
Ideal hiking conditions: 21.8°C, 10% rain chance
📸
Photographers
12.2h sunshine, 56% clear skies for golden hour shots

Who Should Avoid

🏖️
Beach lovers
Sea temperature only 17.6°C - too cold for comfortable swimming

Warmest

August

27°C avg

Coolest

January

14°C avg

Driest

August

1% rain

Wettest

November

24% rain

Planning Your Trip to Lisbon, Portugal

Wondering when is the best time to visit Lisbon? Based on our analysis of 30 years of NASA satellite weather data, the ideal months to travel to Lisbon are May, June, September. During these months, you'll experience optimal temperatures around 22°C with only 10% chance of rain.

The Lisbon climate varies throughout the year. August is the hottest month with average highs of 27°C, while January is the coldest at 14°C. If you're planning outdoor activities or sightseeing in Lisbon, avoid November when rainfall peaks at 24% probability.

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

Lisbon Weather by Month: Climate Guide

Click any month to explore detailed daily forecasts for Lisbon

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

When to Visit Lisbon: Travel Style Guide

Personalized Lisbon travel recommendations based on 30-year weather data

Beach Lovers

Warmest weather with ideal sea temperatures for swimming

JulyAugustJune

Budget Travelers

Shoulder season with good weather and lower prices

FebruaryMarchApril

Avoiding Crowds

Fewer tourists with acceptable weather conditions

JanuaryDecember

Photography

Best light conditions with clear skies

JulyAugustJune

Honeymoon

Perfect conditions for a romantic getaway

FebruaryMarchApril

Lisbon Weather FAQ: Your Questions Answered

What is the best time to visit Lisbon?

Based on 30 years of weather data, the best months to visit Lisbon are May, June, September. These months offer the optimal combination of pleasant temperatures (22°C avg) and low rainfall (10% chance).

When is the hottest time of year in Lisbon?

August is historically the warmest month in Lisbon with average highs of 27°C. If you prefer cooler weather, consider visiting in January when temperatures average around 14°C.

When is the rainy season in Lisbon?

November typically sees the most rainfall in Lisbon with a 24% chance of rain. For the driest conditions, plan your visit in August when rain probability drops to just 1%.

How accurate is the Lisbon weather forecast?

Our Lisbon 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 Lisbon.

What should I pack for Lisbon?

Packing depends on when you visit. In August (warmest month), pack light summer clothes for 27°C weather. In January (coolest month), bring layers for 14°C temperatures.

Is Lisbon good for a destination wedding?

Yes! The best months for an outdoor wedding in Lisbon are August (only 1% rain chance) and May for optimal weather conditions. Avoid November when rain probability peaks at 24%.