Taking the local weather in High River 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 15°C, while the coldest months are December and February, with an average of -7°C. The snowiest months in High River are March, January, February and December, with each month seeing an average of 35 cm of snowfall.