Glacier National Park's weather varies as much as it's dramatic scenery. Always keep an outfit of warm clothes handy, even in the summer. The weather can change on you in an instant. A Parkcamper employee was in Glacier National Park last August when it snowed! Temperatures upslope are typically 15-20 degrees cooler. Expect temps to often drop 20 degrees at night. Always pack a windbreaker. Glacier National Park can be incredibly windy, and the winds can cut right through the best sweater you have. Typically the east side is cooler as the elevations are considerably higher. It is also usually much more windy on the east side.

 

January average high: 28 low: 14
July average high: 79 low 47
October average high: 52 low: 31
May average high: 64 low: 37

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