Glacier National Park weather in March

March in Glacier National Park: freezing, a little rain, with clean air — a fair time to visit.

#8 of 12 months in Glacier National Park · #519 of 604 destinations to visit in March · comfort 59/100 (tier D)

Updated June 2026 · climate normals from ERA5 reanalysis

Glacier National Park climate normals — March

Daytime high-1°C / 31°F🥶 freezing
Nighttime low-9°C / 16°F
Feels like (high)-5°C / 23°F
Rainfall56 mm / 2.2 in🌦 some rain
Rainy days12 days
Humidity75%💧 humid
Dew point-10°C / 14°F
Sunshine9.5 h/day
Daylight11.9 h
Wind15 km/h / 9 mph
Snowfall50.8 cm / 20 in
Air quality (US AQI)46🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Where is Glacier National Park?

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Glacier National Park in March — FAQ

Is March a good time to visit Glacier National Park?
March in Glacier National Park: freezing, a little rain, with clean air — a fair time to visit. It ranks #8 of 12 months for Glacier National Park on SeasonMap's comfort score (59/100).
What is the weather like in Glacier National Park in March?
In March, Glacier National Park averages a daily high of -0.6°C and a low of -8.8°C, with about 55.6 mm of rain over roughly 12 rainy days.
What is the air quality in Glacier National Park in March?
Glacier National Park has a mean US Air Quality Index of about 46 in March.
Does it snow in Glacier National Park in March?
Glacier National Park sees roughly 50.8 cm of snowfall in March.

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