Weather is only one factor, but it can really affect your travel plans, especially when you are planning a longer stay in Bentley. The hottest months are usually July and August, with an average temperature of 19°C, while the coldest months are February and January, with an average of -3°C. The snowiest months in Bentley are January, March, February and December, with each month seeing an average of 22 cm of snowfall.