Taking the local weather in Downtown Squamish into account is an important factor for planning your visit, especially if you plan to spend your trip by the pool. The hottest months are usually August and July, with an average temperature of 14°C, while the coldest months are February and December, with an average of 1°C. The snowiest months in Downtown Squamish are January, February, March and December, with each month seeing an average of 18 cm of snowfall.