Weather is probably a major factor when you plan your trip to Unity, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually July and August, with an average temperature of 19°C, while the coldest months are December and January, with an average of -2°C. The snowiest months in Unity are January, February, December and March, with each month seeing an average of 13 cm of snowfall.