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 December and November, with an average temperature of 27°C, while the coldest months are July and August, with an average of 24°C. The rainiest months in Palma are March, January, February and April, with each month seeing an average of 221 mm of rainfall.