Though weather is just one factor, it can really affect your travel plans, especially when you are planning a longer stay in Massiaru. The hottest months are usually July and August with an average temp of 61°F, while the coldest months are February and January with an average of 30°F. The snowiest months in Massiaru are January, December, November, and April, with each month seeing an average of 9 inches of snowfall.