Europe in May: Weather, Crowds & What to Expect

Iberia (Spain & Portugal, including the Balearics and Canary influence)

A gentler heat persists into September, with the Mediterranean coast still bathing in 25-30°C days and sea temperatures pleasantly warm for swimming in Costa Brava, Costa del Sol or Algarve. Autumn storms start to sweep in along the Atlantic northwest - Galicia and northern Portugal see the first wet spells. Harvest festivals and wine routes are in full swing, making it a good month for food-focused travel; bring layers for cool evenings.

The British Isles & Atlantic France (United Kingdom, Ireland, northern/Atlantic France, Benelux coasts)

May offers a noticeable lift - longer, warmer days make cycling in Amsterdam and picnics in Hyde Park enjoyable, with highs often in the high teens to low 20s°C. Western France and Ireland can still record rainy days but generally have benign conditions for outdoor markets and coastal walks. This is a popular month for weddings and short breaks, so book accommodation in advance for weekend travel.

The Alps & Central Europe (Switzerland, Austria, southern Germany, Slovenia, northern Italy)

May’s clear, fresh days are excellent for exploring alpine lakes - Lake Bled and the Bavarian lakes warm enough for leisurely swims and boat trips on calm afternoons, while mountain meadows bloom with wildflowers. Road passes often open through May (check local authorities), making multi-country drives appealing. This is a prime month for lower-altitude hiking and for avoiding peak-summer crowds in popular valleys.

The Mediterranean & Adriatic Coast (Italy south of the Po, southern France’s Riviera, Croatia, Greece, Malta)

May is genuinely warm and often dry along much of the Mediterranean coast-daytime highs tuck into the low to mid-20s°C in southern Italy, the Catalan coast and the Greek islands, perfect for early beach days. Ferry schedules are full and many smaller islands open restaurants and hotels; this is a prime month for cycling, walking and seaside dining. Bring sun protection for afternoon exploration and expect lively streets at night.

Northern & Eastern Europe (Scandinavia, the Baltics, Poland and the western edge of Russia’s European plain)

May bursts into bloom across the Baltics and southern Scandinavia - Stockholm’s archipelago and Copenhagen’s waterfront become pleasant for cycling and boating, with daytime highs often in the mid to high teens. Long daylight hours make exploring easy and festivals start to kick off; expect packed weekends near coastal areas. Mountain snow lingers further north, so alpine activities will still need winter kit.