Glacier National Park
Glacier National Park is a national park and biosphere reserve in the United States. It is part of the Waterton-Glacier International Peace Park and covers an area of 4,100 km2.
Planning a visit
The best months to visit are July and August, when daily highs reach 22 °C and rainfall is at its lowest, with about 9 to 10 rainy days per month. In contrast, winter months like January and December are cold, with daily highs between -4 °C and -5 °C and lows reaching as low as -11 °C. Rainfall is more frequent in the winter and late spring, with up to 18 rainy days in November and December.
To reach the park, you can fly into Glacier Park International Airport in Kalispell, which is 60 km away. Calgary International Airport is another option, located 263 km from the site. The park is 3,110 km from Washington, D.C. Visitors can explore the area as part of the Waterton-Glacier International Peace Park.
Weather by month
The warmest month is July, with an average high of 23 °C. Rain is spread fairly evenly through the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high, °C | -4 | -1 | 3 | 7 | 12 | 18 | 23 | 23 | 17 | 9 | 0 | -5 |
| Average low, °C | -10 | -9 | -6 | -2 | 2 | 7 | 10 | 10 | 6 | 0 | -6 | -11 |
| Rainfall, mm | 111 | 88 | 91 | 84 | 110 | 138 | 68 | 56 | 80 | 89 | 120 | 108 |
| Rainy days | 17 | 16 | 17 | 16 | 17 | 15 | 9 | 10 | 10 | 14 | 18 | 18 |
Temperatures and rainfall: 1981–2010 averages for this spot (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.
