Jasper Climate & Temperatures
Although a natural enhancer to the beauty and scenery, visitors should be prepared for sudden temperature drops and occasional afternoon showers. Mountainous terrain means prevailing winds, shade from mountains, and glacier wind.
Altitude has a general rule to follow: the higher the elevation the colder the temperature. A typical guess is a 1.7 degree Celsius drop for every 300 meters of gained elevation. The air becomes thinner and the vegetation changes form until tree line is reached.
Summer days are long but the season overall is short, with July being the warmest month and temperatures hovering around 22.5 degrees Celsius. However mountain tops bring in quick thunderstorms and things cool down real fast. A good idea is to always have a long sleeve nearby.
Spring arrives in the valley towns by April and enjoyable temperatures last all the way to October’s fall. Winter has it fair shares of stormy weather, but snow clouds often leave to reveal crisp mountain air and a fluffy blanket of snow.
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