May is an excellent month at Glacier — it ranks first of the twelve here. Expect about 73% fewer visitors than July, the park's peak — 202,281 visits on average. Days run around 64°F by afternoon and 39°F at night, with 15.2 hours of daylight.
May against the park's best
| Month | Verdict | Avg. visits | vs. peak | High | Low | Snow | Daylight |
|---|---|---|---|---|---|---|---|
| May (this page) | Excellent | 202,281 | −73% | 64°F | 39°F | 0.5" | 15.2 h |
| July (peak crowds) | Good | 761,346 | peak | 80°F | 50°F | 0" | 15.7 h |
Weather figures are for the West Glacier area — the W Glacier station. Visits are 2021–2025 averages; climate normals cover 1991–2020. Conditions vary across the park; check current status before you go.
Common questions
Is May a good time to visit Glacier?
Yes — it is the park's best-scoring month. May ranks 1 of 12 at Glacier on crowds, weather, daylight, and access together.
How crowded is Glacier in May?
About 202,281 recreation visits on average — 73% below July, the park's peak.
How warm is Glacier in May?
Average highs around 64°F and lows around 39°F at the W Glacier station.
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