Planning for the weather is a good way to make your trip to Cabo Verde relaxing and enjoyable, especially when you're splurging. The hottest months are usually September and October with an average temp of 71°F, while the coldest months are July and June with an average of 64°F. The rainiest months in Cabo Verde are December, January, November, and February, with each month seeing an average of 12 inches of rainfall.