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Katmai · August
August is a busy time to visit Katmai — quieter than July, busier than September.
Expect heavy crowds (8/10) and about 15.4 hours of daylight.
Crowd score
Approaching peak season — expect full lots by mid-morning and busy overlooks.
About 78% of this park's busiest month.
Source: NPS Visitor Use Statistics, 2023–2025
Data: NPS visitation 2023–2025 · crowd scores computed Jul 2026. How this is calculated →
Computed from federal data · Methodology by Sharon Ben-Moshe
Visitation
August draws about 31% of Katmai’s yearly visitors.
Typical monthly recreation visits, averaged over the most recent three full years.
Source: NPS Visitor Use Statistics, 2023–2025
Weather
Source: NOAA 1991–2020 climate normals, Mcneil River SGS, AK US
This week
| Day | Conditions | High | Low | Precip chance |
|---|---|---|---|---|
| Wed 26 | Drizzle | 57°F | 46°F | 73% |
| Thu 27 | Drizzle | 56°F | 47°F | 73% |
| Fri 28 | Rain showers | 56°F | 48°F | 100% |
| Sat 29 | Heavy drizzle | 55°F | 46°F | 88% |
| Sun 30 | Drizzle | 50°F | 45°F | 70% |
| Mon 31 | Light drizzle | 48°F | 42°F | 71% |
| Tue 1 | Overcast | 50°F | 38°F | 33% |
Forecast data by Open-Meteo
Source: Open-Meteo
What's open
Katmai is open 24 hours per day, seven days per week.
No seasonal road or area closures reported for this park.
Source: NPS Data API
Conditions
No current alerts or closures reported for this park.
Source: NPS Data API
Context
FAQ
August rates 8/10 for crowds (Busy) at Katmai National Park & Preserve — about 78% of its busiest month. Typical recreation visits: 10,678.
In August, Katmai averages a high of 0°F and a low of 0°F, with about 4.7 inches of precipitation.
Entry to Katmai is free.
Katmai is quietest in January and February. If your dates are flexible, those months bring the thinnest crowds of the year.
In mid-August, Katmai gets about 15.4 hours of daylight, with sunrise around 4:41 AM and sunset around 8:05 PM.