Planning for the weather is a good way to make your trip to Palma relaxing and enjoyable, especially when you’re splurging. The hottest months are usually April and May, with an average temperature of 25°C, while the coldest months are January and February, with an average of 23°C. The rainiest months in Palma are July, October, June and November, with each month seeing an average of 399 mm of rainfall.