Lisbon Weather In May: A Complete Guide

Nick Leason

-Oct 19, 2025

Wondering about the weather in Lisbon, Portugal, during May? This guide provides an in-depth look at what to expect: average temperatures, rainfall, sunshine hours, and ideal activities. Discover why May is a popular time to visit Lisbon and how to make the most of your trip, ensuring you pack the right clothes and plan your days accordingly.

Key Takeaways

Pleasant Temperatures: Expect average highs in the low 20s Celsius (70s Fahrenheit), perfect for exploring.
Sunshine Galore: Lisbon enjoys plenty of sunshine hours in May, ideal for outdoor activities.
Low Rainfall: May is relatively dry, with less rain compared to earlier spring months.
Ideal for Sightseeing: Enjoy comfortable weather conditions, making it perfect for exploring the city's landmarks.
Prepare for Variety: Pack layers as mornings and evenings can be cooler.

Introduction

May is a fantastic time to visit Lisbon. The city bursts with life as the weather warms up, and the crowds haven't yet reached their peak summer levels. The days are long, the sun shines brightly, and the atmosphere is vibrant. Understanding what the weather in Lisbon is like during May will help you plan your trip effectively, from what to pack to what activities to schedule. This guide will provide detailed insights into the climate, helping you prepare for an unforgettable experience. — Commerce City, CO Zip Codes: Your Complete Guide

What & Why

What is the weather like in Lisbon in May?

In May, Lisbon experiences a transition from spring into early summer. You can expect average daytime temperatures ranging from 17°C to 24°C (63°F to 75°F). The weather is generally sunny, with approximately 9-10 hours of sunshine per day. Rainfall is relatively low compared to the earlier spring months, with an average of 4-6 rainy days throughout the month. The evenings and mornings are usually cooler, so it's advisable to bring layers.

Why visit Lisbon in May?

May offers an appealing combination of pleasant weather and fewer crowds compared to the peak summer months. It's an excellent time to explore the city's historical sites, enjoy outdoor activities, and experience the local culture without the overwhelming heat and congestion. The warmer temperatures are perfect for enjoying Lisbon's beaches, parks, and terraces. — Grand Junction, CO ZIP Codes: Your Complete Guide

Benefits of visiting Lisbon in May:

Comfortable Temperatures: Ideal for sightseeing and outdoor activities.
Sunshine: Enjoy long daylight hours and abundant sunshine.
Fewer Crowds: Explore popular attractions with more ease.
Outdoor Activities: Perfect weather for beaches, parks, and terraces.
Festivals: May often features local festivals and events.

Risks or Considerations:

Cooler Evenings: Be prepared for cooler temperatures in the evenings and mornings.
Occasional Rain: Although rain is less frequent, pack accordingly.
Sun Protection: The sun can be strong, so bring sunscreen, hats, and sunglasses.

How-To / Steps / Framework Application

Preparing for Your Trip

Check the Forecast: Monitor the weather forecast before and during your trip to stay informed of any changes.
Pack Appropriately:
- Clothing: Pack light layers, including t-shirts, long-sleeved shirts, a light jacket or sweater, and comfortable walking shoes.
- Accessories: Bring sunglasses, a hat, and sunscreen to protect yourself from the sun.
- Rain Gear: Although rain is less frequent, consider packing a light rain jacket or umbrella.
Plan Activities:
- Outdoor Activities: Schedule outdoor activities such as walking tours, beach visits, and day trips to nearby towns.
- Indoor Options: Have indoor alternatives in case of rain, such as museums, art galleries, or traditional Fado houses.
Book in Advance: Consider booking accommodations and popular attractions in advance, especially if you're traveling during a peak period within May.

Making the Most of Your Trip

Explore the City:
- Alfama: Wander through the historic Alfama district with its narrow streets and traditional houses.
- Belém: Visit Belém to see the Jerónimos Monastery and Belém Tower.
- Baixa: Explore Baixa, the downtown area rebuilt after the 1755 earthquake, and enjoy its shops and restaurants.
Enjoy the Outdoors:
- Beaches: Head to the beaches near Lisbon, such as Carcavelos or Costa da Caparica, for sunbathing and water activities.
- Parks and Gardens: Visit Parque Eduardo VII or the Botanical Garden for a relaxing experience.
Embrace the Culture:
- Fado: Experience the traditional Portuguese music, Fado, in one of the Fado houses.
- Local Cuisine: Try the local cuisine, including Pastéis de Nata, fresh seafood, and traditional dishes.
Day Trips:
- Sintra: Take a day trip to Sintra to see the Pena Palace and other historical sites.
- Cascais: Visit the coastal town of Cascais for its beaches, marina, and charming atmosphere.

Examples & Use Cases

Case Study: A Week in Lisbon in May

Day 1: Arrive in Lisbon; explore the Baixa district; enjoy dinner at a traditional restaurant.
Day 2: Visit Belém; see the Jerónimos Monastery and Belém Tower; enjoy Pastéis de Nata.
Day 3: Explore Alfama; listen to Fado music in the evening.
Day 4: Day trip to Sintra; visit Pena Palace and Quinta da Regaleira.
Day 5: Relax on the beaches of Carcavelos; enjoy water sports.
Day 6: Explore the Parque Eduardo VII; visit the Calouste Gulbenkian Museum.
Day 7: Depart from Lisbon.

Use Case: Planning a Beach Day

Morning: Check the weather forecast; pack sunscreen, towels, and swimwear.
Mid-day: Head to Carcavelos beach; enjoy sunbathing and swimming.
Afternoon: Have lunch at a beachside restaurant; relax and enjoy the ocean views.
Evening: Head back to Lisbon; enjoy dinner at a restaurant with fresh seafood.

Best Practices & Common Mistakes

Best Practices:

Travel Light: Pack versatile clothing that can be layered to accommodate fluctuating temperatures.
Stay Hydrated: Drink plenty of water, especially during outdoor activities.
Use Public Transportation: Lisbon has an excellent public transportation system, including trams, buses, and the metro.
Learn Basic Portuguese Phrases: Knowing a few basic phrases can enhance your interactions with locals.
Be Prepared for Sun Exposure: Use sunscreen, wear a hat, and take breaks in the shade.

Common Mistakes to Avoid:

Underestimating the Sun: The sun can be strong, even on cloudy days.
Overpacking: Pack smart and bring versatile clothing.
Not Checking the Weather Forecast: Stay informed about potential rain or temperature changes.
Ignoring Local Customs: Respect local customs and traditions.
Not Wearing Comfortable Shoes: You will likely be doing a lot of walking, so choose comfortable footwear.

FAQs

What is the average temperature in Lisbon in May? The average daytime temperature in Lisbon in May ranges from 17°C to 24°C (63°F to 75°F).
How much does it rain in Lisbon in May? Rainfall is relatively low, with an average of 4-6 rainy days throughout the month.
Is May a good time to visit Lisbon? Yes, May is an excellent time to visit Lisbon due to the pleasant weather, fewer crowds, and long daylight hours.
What should I pack for a trip to Lisbon in May? Pack light layers, comfortable walking shoes, sunglasses, sunscreen, and a light jacket or sweater.
Are there any festivals or events in Lisbon in May? Yes, May often features local festivals and events, such as the Lisbon Book Fair.
Can I swim in the sea in May in Lisbon? Yes, the sea temperature is starting to warm up in May, making it suitable for swimming.

Conclusion with CTA

Visiting Lisbon in May offers a delightful experience with comfortable weather, fewer crowds, and a vibrant atmosphere. By planning ahead, packing appropriately, and taking advantage of the various activities and attractions, you can create unforgettable memories. Start planning your Lisbon adventure today! Visit the official tourism website for Lisbon to discover more about events and activities during May. — Charleston, WV Weather Radar: Live Updates & Forecast

Last updated: October 26, 2023, 10:00 UTC