Weather is only one factor, but it can really affect your travel plans, especially if you are planning a longer stay in Mustvee. The hottest months are usually July and August with an average temp of 61°F, while the coldest months are January and February with an average of 26°F. The snowiest months in Mustvee are November, December, February, and April, with each month seeing an average of 9 inches of snowfall.