Planning for the weather is a good way to make your trip to Isla Solarte relaxing and enjoyable, especially when you're splurging. The hottest months are usually September and June, with an average temperature of 28°C, while the coldest months are February and January, with an average of 26°C. The rainiest months in Isla Solarte are July, December, November and August, with each month seeing an average of 321 mm of rainfall.