Best Time to Visit Katmai National Park
The best months to visit Katmai National Park are May, June, October — computed from official NPS visitation (2021–2025 average), NOAA weather normals and daylight. July is the crowd peak (12,537 monthly visits); February is quietest at 0% of peak.
Monthly crowd curve
Average monthly recreation visits, 2021–2025 (NPS Visitor Use Statistics). Amber bar = current month.
Katmai month by month
| Month | Verdict | Avg visits | % of peak | High / Low | Precip | Daylight |
|---|---|---|---|---|---|---|
| January | Harsh season | 8 | 0% | 26°F / 10°F | 1.8″ | 7.1h |
| February | Shoulder | 4 | 0% | 31°F / 13°F | 2.1″ | 9.3h |
| March | Shoulder | 8 | 0% | 32°F / 14°F | 1.0″ | 11.7h |
| April | Shoulder | 8 | 0% | 43°F / 26°F | 1.4″ | 14.4h |
| May | Best window | 159 | 1% | 52°F / 33°F | 1.5″ | 16.8h |
| June | Best window | 4,220 | 34% | 59°F / 40°F | 2.5″ | 18.3h |
| July | Peak crowds | 12,537 | 100% | 62°F / 46°F | 3.7″ | 17.7h |
| August | Peak crowds | 9,914 | 79% | 61°F / 45°F | 4.4″ | 15.5h |
| September | Shoulder | 5,472 | 44% | 54°F / 39°F | 5.1″ | 12.9h |
| October | Best window | 280 | 2% | 43°F / 28°F | 2.9″ | 10.4h |
| November | Shoulder | 8 | 0% | 33°F / 17°F | 3.6″ | 7.9h |
| December | Harsh season | 11 | 0% | 27°F / 12°F | 2.1″ | 6.4h |
Crowds: NPS Visitor Use Statistics, mean of 2021–2025 (2020 excluded as a COVID-19 anomaly). Weather: NOAA 1991–2020 monthly normals, station KING SALMON 42 SE, AK US (39 mi from park coordinates). Daylight: computed for the 15th of each month at the park's location. Methodology.
What to pack for Katmai in May
Computed from May's weather normals — Katmai's best month above. Visiting another month? Each month page has its own weather-computed list.
- Warm mid-layer (fleece or light puffy) — mornings average 33°F
- Sturdy broken-in footwear, navigation and a basic first-aid kit — every park, every month
- Bear spray — recommended by the park in grizzly country (check current park regulations before you carry)
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Common questions
What is the best month to visit Katmai?
May, June, October rank best for Katmai on VisitWhen's computed score — the strongest balance of low crowds (NPS data), comfortable weather (NOAA normals) and daylight, among months when the park’s headline access is typically open.
What is the most crowded month at Katmai?
July: an average of 12,537 recreation visits (NPS, 2021–2025). The quietest is February, at 0% of the July peak.
How many people visit Katmai per year?
Katmai National Park averaged 32,629 recreation visits per year over 2021–2025, per official NPS Visitor Use Statistics.
Dive into a month
Last verified 2026-09-12 · all parks