29/10/2025
In case you didn't know already ℹ️
The Costa Blanca South microclimate is one of the key reasons the area is so popular for expats and retirees. It’s officially recognised as having one of the healthiest climates in Europe, according to the World Health Organization.
Here’s how it breaks down 👇
Microclimate Zone – Where It Starts and Ends
The “Costa Blanca South” microclimate generally covers the stretch of coastline from Santa Pola down to San Pedro del Pinatar, and inland to around Orihuela.
Northern boundary:
• Begins roughly around Santa Pola / Gran Alacant (just south of Alicante city).
• Temperatures and humidity already start to show the distinctive “mild winter / dry summer” pattern here.
Central core:
• Torrevieja, Los Montesinos, Guardamar del Segura, La Zenia, Cabo Roig, and Villamartín are considered the heart of the Costa Blanca South microclimate.
• This area benefits from the two salt lakes (Laguna de la Mata & Torrevieja), which balance the humidity and create especially clean, dry air.
Southern boundary:
• Extends down past Pilar de la Horadada, Mil Palmeras, and San Pedro del Pinatar, blending into the Mar Menor climate (Murcia region).
• The transition is smooth — still mild winters and low rainfall, but slightly more humidity nearer the Mar Menor.
What Makes It Special
Over 320 days of sunshine per year!
• Low rainfall (less than 300 mm annually)
• Warm, dry winters – average 16–18°C daytime
• The salt lakes and sea breeze combine to purify the air and are said to ease arthritis and respiratory issues