How likely is it to rain in May, and should I bring a light jacket or umbrella on Mallorca?

In towns like Palma and Sóller, May usually brings pleasantly warm weather, with plenty of sunny days that invite exploring the old streets or hiking the nearby Serra de Tramuntana. Rain showers are not unheard of, but when they do occur, they're often brief and patchy rather than prolonged downpours. The north coast around Formentor and Pollença might catch a few more scattered showers due to its mountainous terrain, but the overall impression is of a gentle spring warmth settling over the island.

Packing a light jacket is sensible, particularly for cooler evenings or breezy coastal spots such as Cala Mondragó or the high-altitude villages of Valldemossa and Deià. Bringing a compact umbrella can also be a good precaution, especially if you plan to wander in areas where sudden showers may interrupt your sightseeing. Generally, layering remains the smartest approach — a T-shirt for the day, a jumper or jacket for the cooler moments — and this flexible strategy will keep you comfortable whether you’re sampling local specialties like pa amb oli in a seaside café or strolling through almond orchards during the Festa de l’Ametler events.

Keep an eye on the TIB bus online schedules or local forecasts if you’re venturing remote, as short rain spells sometimes affect mountain routes like the Ma-10. Still, May on the island strikes a fine balance between lingering spring freshness and the start of the balmy Mediterranean summer, making it a delightful time to visit.