Planning for the weather is a good way to make your trip to Contadora Island relaxing and enjoyable, especially when you're splurging. The hottest months are usually April and March, with an average temperature of 28°C, while the coldest months are January and February, with an average of 27°C. The rainiest months in Contadora Island are July, August, May and June, with each month seeing an average of 525 mm of rainfall.