Taking into account the local weather in Kolašin is an important factor for planning your visit, especially if you plan to spend your trip poolside. The hottest months are usually August and July with an average temp of 62°F, while the coldest months are January and February with an average of 31°F. The rainiest months in Kolašin are November, December, January, and February, with each month seeing an average of 10 inches of rainfall.