Glacier National Park

Weather & Climate

 
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Glacier National Park Weather & Climate

Summer Weather
Glacier's western valleys generally receive the most rainfall. Daytime temperatures can exceed 90 degrees F. It is frequently 10 to 15 degrees cooler at higher elevations. Strong winds and sunny days  predominate on the east side of the park. Overnight lows throughout the park can drop to near 20 degrees F, and snow can fall anytime. In August of 1992, a foot of snow fell on the northeastern corner of Glacier.

Prepare for a variety of conditions and pack accordingly. You may start the day in a T-shirt and shorts, and need a parka by evening. Dress in layers. Always bring raingear.

                       
Precipitation Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
                                                 
30 year average (inches)   3.40   2.37   1.86   1.81   2.57   3.28   1.75   1.64   2.06   2.33   3.10   3.30
30 year low (inches)   0.16   0.33   0.43   0.27   0.91   0.75   0.00   0.00   0.02   0.08   0.65   0.68
30year high (inches)   7.07   5.10   4.13   3.45   6.13   6.94   5.11   5.14   6.17   5.87   7.53   7.72
                                                 
Average Number of days with precipitation (rain and/or snow) over 0.01 inches   17   13   13   11   13   13   9   9   9   11   15   17
                                                 
Average snowfall (inches)   39.6   22.5   14.5   3.5   0.4   0.2   0   0   0.1   2.0   17.2   37.5
                                               
Temperature   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec
                                                 
Average Maximum Temperature   28.5   34.7   41.9   52.9   64.1   71.2   79.1   78.1   66.7   52.7   37.3   30.0
                                                 
Average Minimum Temperature   14.9   18.8   22.9   29.7   37.1   43.7   47.2   46.3   38.8   31.8   24.9   18.4
                                                 
Maximum High Temperature   50   58   66   83   90   91   99   99   95   77   65   52
                                                 
Maximum Low Temperature   -35   -32   -30   3   13   24   31   26   18   -3   -29   -36
                                                 

Get The Latest Weather Forecast For Glacier National Park


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