Planning for the weather is an important factor for making your trip to Fogo Island a success, especially when you're splurging. The hottest months are usually July and August, with an average temperature of 13°C, while the coldest months are February and January, with an average of -5°C. The snowiest months in Fogo Island are February, March, January and December, with each month seeing an average of 54 cm of snowfall.