Lisbon weather and climate

 Weather overview for Lisbon

Lisbon, the lively capital of Portugal, is characterized by a Mediterranean climate. Summers are warm, dry and mostly clear, while winters are cold, wet and windy. Temperatures generally range between 8°C and 29°C throughout the year, rarely falling below 5°C or above 34°C. The period from early July to early September is considered optimal for beach and pool activities, as temperatures are most pleasant then.

Factors influencing the climate in Lisbon

Lisbon's climate is strongly influenced by its geographical location on the Atlantic Ocean. Its proximity to the ocean ensures mild temperatures all year round and mitigates extreme weather events. The region's topography, with hills and valleys, also plays a role, influencing local wind systems and rainfall patterns. The prevailing northerly winds bring dry air in summer, while wetter air masses move in from the west in winter.

Overview of the Lisbon weather in each month

• January: Maximum temperature: 15 °C, minimum: 8 °C. Precipitation: about 62 mm on about 7.3 days.

• February: Maximum temperature: 16 °C, minimum: 9 °C. Precipitation: about 49 mm on about 5.8 days.

• March: Maximum temperature: 18 °C, minimum: 11 °C. Precipitation: about 36 mm on about 5.3 days.

• April: Maximum temperature: 20 °C, minimum: 12 °C. Precipitation: about 41 mm on about 6.1 days.

• May: Maximum temperature: 22 °C, minimum: 14 °C. Precipitation: about 30 mm on about 4.8 days.

• June: Maximum temperature: 26 °C, minimum: 17 °C. Precipitation: about 10 mm on about 2.0 days.

• July: Maximum temperature: 28 °C, minimum: 19 °C. Precipitation: about 2 mm on about 0.5 days.

• August: Maximum temperature: 28 °C, minimum: 19 °C. Precipitation: about 3 mm on about 0.9 days.

• September: Maximum temperature: 26 °C, minimum: 17 °C. Precipitation: about 20 mm on about 3.4 days.

• October: Maximum temperature: 22 °C, minimum: 15 °C. Precipitation: about 61 mm on about 7.4 days.

• November: Maximum temperature: 18 °C, minimum: 12 °C. Precipitation: about 78 mm on about 8.4 days.

• December: Maximum temperature: 15 °C, minimum: 9 °C. Precipitation: about 75 mm on about 8.7 days.

Lisbon climatic conditions in the four seasons

Summer: The months from June to September are warm and dry, with average temperatures above 26 °C. Rare rain and clear skies make this time ideal for outdoor activities and beach visits.

Autumn: From September to November, the weather gradually cools down, with temperatures varying between 17 °C and 26 °C. There are more rainy days, especially in November, which is usually the wettest month.

Spring: From March to May, temperatures rise again, ranging between 11 °C and 22 °C. Rainfall is moderate and the days become increasingly sunny.

Winter: The months from December to February bring cooler weather with temperatures rarely falling below 8 °C. This period is characterized by more frequent rainfall and windy days, with January being the coldest month.

Overall, Lisbon offers a varied climate that allows both warm summers for tourists and mild winters that make the city attractive all year round.

Best Time to Travel to Lisbon

When planning a trip to the charming city of Lisbon, it is essential to consider the best times to visit based on weather, crowd levels, and overall experience. Here's an overview of what each season offers.

Summer in Lisbon (June to August)

Temperature and Atmosphere: Summer in Lisbon can be quite hot, with temperatures soaring to around 35°C (95°F). The peak tourist season runs from June to the end of August, bringing a vibrant atmosphere to the city. You will find a lively ambiance, particularly at major tourist attractions. The hot August days might seem overwhelming, but the proximity to the Atlantic Ocean brings cooler evening breezes that can provide relief.

Nearby Beaches: Just a short distance away, approximately 10 kilometers from Lisbon, you'll find Costa da Caparica, known for its beautiful beaches. This is an ideal escape for beachgoers and those seeking active outdoor experiences. Summer is a perfect time to combine sightseeing in Lisbon with relaxing days on the beach.

Accommodation and Planning: Due to high demand for accommodations and flights during the summer, it's crucial to plan and book your trip in advance to secure better rates. Interestingly, many locals take their vacations in August, leading to lighter traffic in the city and a more relaxed atmosphere—though popular tourist hotspots will still be bustling.

Autumn in Lisbon (September to November)

Autumn is an excellent time to explore Lisbon, especially during the shoulder season of October and November. During this time, the weather remains generally stable and sunny, with temperatures around 20-27°C (68-81°F).

Ideal for Sightseeing: This season offers fewer crowds, allowing you to enjoy popular scenic spots such as Baixa, Bairro Alto, and Alfama in a more relaxed setting. The vibrant atmosphere in these neighborhoods remains enjoyable, with lively entertainment and cultural experiences.

Weather Overview

• September & October: Expect mild temperatures and generally dry conditions. By the end of October, you should prepare for cooler evenings and the possibility of rain.

• November: The average temperatures drop to between 14°C and 21°C (57°F and 70°F), making it the rainiest month of the year.

Travelers visiting in late autumn should pack accordingly, bringing layers and rain gear, as temperatures can fluctuate significantly from day to night.

Winter in Lisbon (December to February)

Cold and Damp Conditions: Winter months in Lisbon are typically cool and moist, with average daily temperatures around 15°C (59°F) and nighttime lows near 8°C (46°F). While rain is common, the unpredictability of the weather means you might enjoy sunny days followed by wet ones. This season is known as the low season for tourism.

Experience and Atmosphere: While winter is less popular for first-time visitors due to the potential for dreary weather, experienced travelers might find it attractive for a quieter visit. The local cuisine and unique winter atmosphere in Lisbon can be very enjoyable. Additionally, flight and accommodation prices are generally lower, providing excellent value.

Weather Details

• January: Typically the coldest month, with cloudy days and possible rain.

• February: Generally drier than January, though still cool. Daylight increases, allowing for more exploration.

Spring in Lisbon (March to May)

Blossoming Beauty: Spring heralds the arrival of milder weather, with decreasing rainfall and sunny days. Visitors from countries like Germany or Austria appreciate the transition to warmer days. Comfortable temperatures and blooming landscapes make this an ideal time to explore.

Weather Conditions: While brief showers can occur, they rarely last long. Spring temperatures make for perfect outings—a day at the beach or hiking trips are always pleasant. You should still be prepared for some variability in weather, but it is generally a rewarding time to visit.