Ibiza is under half the size of Mallorca. The tourist season lasts only for the summer. Mallorca's is now, one way or another, year round. Because of its size, Ibiza is more about beaches than spending time in the flatlands.
Is Majorca always hot?
Majorca has a mediterranean climate with hot dry summers and mild winters. If you're a sunseeker the best time to visit Majorca is between July and August. The hottest month of the year is July with an average daily maximum of 30 C and an average low of 18 C.