August is a good month at Glacier Bay — it ranks 6th of the twelve here. Days run around 63°F by afternoon and 46°F at night, with 15.4 hours of daylight.
August against the park's best
| Month | Verdict | Avg. visits | vs. peak | High | Low | Snow | Daylight |
|---|---|---|---|---|---|---|---|
| August (this page) | Good | 114,531 | −2% | 63°F | 46°F | — | 15.4 h |
| May (best) | Excellent | 82,478 | −30% | 57°F | 35°F | — | 16.8 h |
| July (peak crowds) | Good | 117,153 | peak | 63°F | 47°F | — | 17.6 h |
Weather figures are for the Bartlett Cove area — the Gustavus 2 Ne 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 August a good time to visit Glacier Bay?
Yes — a solid month, if not the very best. August ranks 6 of 12 at Glacier Bay on crowds, weather, daylight, and access together.
How crowded is Glacier Bay in August?
About 114,531 recreation visits on average — 2% below July, the park's peak.
How warm is Glacier Bay in August?
Average highs around 63°F and lows around 46°F at the Gustavus 2 Ne station.
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