Home › Weather › Weather In Algarve In May
Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the DailyCity weather desk. Data from national met services via Open-Meteo.
Algarve in May averages a comfortable 22°C with nine hours of sunshine daily, making it one of the best months for exploring the coast before the peak summer heat. Sea temperatures hover around 18°C, still fresh for swimming but fine for a dip.
What is the typical weather pattern in Algarve during May?
High pressure dominates, bringing settled, sunny days with low rainfall – about 30mm across four rainy days. Lows drop to 14°C overnight, so a light jacket is useful for evening walks. The live forecast above confirms this pattern continues into late spring.
How does the weather change from start to end of May?
Early May can still feel spring-like, with highs around 20°C, while algarve weather end of May climbs closer to 24°C. Sea temperatures also warm slightly, making the final week noticeably more beach-friendly. This gradual shift is typical, with June following suit – for a look ahead, see weather in algarve in june compared to May.
Is May a good time to visit the Algarve?
Yes – warmth is reliable without the July crowds. The weather algarve may june transition means you get pleasant temperatures, lower hotel rates, and quieter beaches than in high summer.
What should I pack for Algarve in May?
Light layers: shorts, T‑shirts, a jumper or light jacket for evenings. Don’t forget sun cream – UV is moderate to high – and a swimsuit for warmer afternoons. Sea is still cool, so consider a rash vest if you plan to swim.
How warm is the sea in Algarve in May?
Sea temperatures average 18°C, rising to about 19°C by end of May. That’s cool but swimmable for most, especially on sheltered south-facing beaches. Water warms further into June, with 10‑day forecasts often showing rising coastal warmth.
Sources
For UK comparisons, see Bristol weather or check the UK weather hub. The weather in portugal in may in celsius remains a steady mid‑20s peak, ideal for a spring break.