Climate & Weather Guide
Climate zones, seasonal temperatures, rainfall patterns, and best travel times in Portugal
Portugal features a predominantly Mediterranean climate with warm, dry summers and mild, wet winters, ideal for residents seeking sunny weather year-round. Mainland areas are classified under Köppen Csa (hot-summer Mediterranean) in the south and interior, Csb (warm-summer Mediterranean) in northern mountains and western coasts, with a small cold steppe (BSk) area in Alentejo. The Azores have oceanic Cfb and Csb climates, while Madeira is Csa. Annual temperatures average 13°C in the north to 18°C in the south, with over 2500 sunshine hours. Rainfall varies from low in the south to moderate-high in the north, and humidity stays comfortable at 60-75%. Expats appreciate the mild conditions, though northern winters can be cooler and wetter.[1][2]
Summer Average
22-35°C
Winter Average
3-15°C
Climate Types
Mediterranean and Oceanic
400-2000 mm
2,500-3,200 hours annually
60-75%
Regional Climate Variations
Northern Portugal
Northern Portugal, including Porto and mountainous areas, has a Csb or Cfb oceanic-Mediterranean climate with mild summers averaging 20-25°C and cooler, wetter winters around 5-12°C. Rainfall is moderate to high, peaking in winter, with frequent cloudy days but still ample sunshine. Residents enjoy green landscapes and comfortable temperatures, though prepare for rain from October to March. Ideal for those preferring milder heat and lush scenery over intense sun.[1][2]
Mild and green with refreshing Atlantic breezes, perfect for outdoor activities year-round despite winter rains.
Central Portugal
Central regions around Lisbon and Coimbra feature Csa/Csb Mediterranean climate, with hot, dry summers up to 30°C and mild winters of 8-15°C. Rainfall is low to moderate, concentrated in winter, offering long sunny spells. The area balances coastal mildness with interior warmth, making it popular for expats. Humidity is moderate, and sea influences keep extremes rare.[1][2]
Sunny and pleasant with classic Mediterranean charm, warm days and cool evenings ideal for city living.
Southern Portugal and Alentejo
Southern Portugal, including Algarve and Alentejo, has hot Csa Mediterranean climate with a small BSk steppe zone near Beja. Summers are very warm at 25-35°C with minimal rain, while winters stay mild at 8-16°C. Low rainfall supports dry landscapes, but coastal areas are tempered by the sea. Expats love the endless sunshine and beach lifestyle, though inland heat requires cooling.[1][2]
Hot, dry, and sunny like eternal summer, great for sun-seekers but watch for summer heatwaves.
Azores Islands
The Azores feature Cfb oceanic climate in central/western groups and Csb in the eastern group, with mild summers of 18-24°C and winters around 10-16°C. High rainfall spreads year-round, creating lush, green islands with frequent mists and winds. Sunshine is less than mainland, but stable temperatures appeal to expats seeking subtropical serenity away from extremes.[1]
Mild, humid, and verdant with steady ocean influence, offering tranquil island living.
Madeira Island
Madeira has a Csa Mediterranean climate with subtropical traits, featuring warm summers of 22-28°C and mild winters of 13-19°C. Rainfall is moderate, higher in mountains, with exceptional sunshine and low seasonal variation. The island's levadas and laurel forests thrive in this stable, humid environment, attracting expats for its year-round mildness and beauty.[1][2]
Eternally spring-like with floral abundance, perfect for relaxed, nature-filled residency.
Portugal offers diverse climates from sunny Mediterranean coasts to lush oceanic islands, with mild winters and hot summers appealing to expats worldwide. Northern and island regions provide greener, wetter conditions, while the south delivers dry heat and beaches. Overall, its 2500+ sunshine hours and comfortable temperatures make it a top choice for year-round outdoor living.
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