Mallorca Weather

April is one of Mallorca's finest months — warm, sunny spring days around 19°C/9°C, the island green and flowering, and the sea just starting to warm, with about 39mm of rain. The April signature is Holy Week (Semana Santa), with solemn processions through Palma, and the arrival of the spring hiking and cycling season — the Tramuntana is in peak condition, and the island fills with road cyclists training in the cool mornings. Wildflowers carpet the countryside. It's an excellent month for the Sóller train, the Tramuntana villages, Palma, and Cap de Formentor, all in comfortable weather with the worst summer crowds and prices still ahead. Easter week is busier and pricier; mid-April off-peak is the value sweet spot. The honest note: the sea is still bracing for swimming (~16°C), so it's a sightseeing-and-active month more than a beach one. But for hiking, cycling, and exploring without the summer heat and crush, April is hard to beat.

May is arguably Mallorca's best all-round month — warm, very sunny days around 23°C/13°C, the sea warming enough to swim, and the island still relatively uncrowded, with only about 32mm of rain. The May signature is the start of beach season alongside still-excellent hiking and cycling weather, plus Sóller's lively 'Moros i Cristians' (Es Firó) reenactment of a historic pirate raid. You get the best of both worlds: warm enough for the calas, cool enough for the mountains. It's a superb month for the whole island — Palma, the Sóller train and Tramuntana villages, Cap de Formentor, and the first proper beach days — with comfortable weather and prices and crowds still below the July-August peak. The sea is on the cool side early in the month (~18°C) but increasingly swimmable, and the only real caveat is that this open secret is getting busier each year. For most travelers, May is the ideal time to visit — warm, sunny, and far calmer than high summer.

September is one of Mallorca's smartest times to visit — still warm and summery around 28°C/18°C, the sea bath-warm (~24°C), but with the August crowds melting away and prices easing, with about 51mm of rain (some in thundery bursts). The September signature is warm-sea beach days without the peak crush: the calas relax, parking eases, and you can swim, take boat trips, and enjoy the coast at a calmer pace. Inland, the Binissalem grape harvest (Vermada) celebrates the island's wine. It's a near-ideal all-rounder — beaches and calas, the Sóller train and Tramuntana (cooler than midsummer), Cap de Formentor, and inland wine country — with comfortable weather and far better value than July-August. The honest caveat: rainfall ticks up and September can bring the occasional heavy thundery downpour (the Mediterranean 'gota fría' risk grows later in autumn), so pack a light rain layer. But for warm sea, calmer crowds, and good prices, September is among the best months on the island.