Glacier National Park Weather in June

The climate in Glacier National Park during June can be summarized as mild and a little damp.

June is in the summer in Glacier National Park and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a cool 18°C (64°F), whilst at night 5°C (41°F) is normal.

On average June is the wettest month of the year in Glacier National Park with around 82mm 3.2 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.6 hours of sunshine per day.

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Glacier National Park in June 2024.