Katmai · August
Katmai in August
August is a busy time to visit Katmai — quieter than July, busier than September.
Expect heavy crowds (8/10), highs near 61°F, and about 15.4 hours of daylight.
Crowd score
How busy it gets
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 Oct 2026. How this is calculated →
Computed from federal data · Methodology by Sharon Ben-Moshe
Visitation
Typical August visits vs. the year
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
August weather
- Avg high
- 61°F
- Avg low
- 45°F
- Precipitation
- 4.4"
- Sunrise
- 4:41 AM
- Sunset
- 8:05 PM
- Daylight
- 15.4h
Source: NOAA 1991–2020 climate normals, KING SALMON 42 SE, AK US
What's open
Katmai in August: access
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
Current alerts
No current alerts or closures reported for this park.
Source: NPS Data API
Context
Katmai crowds across the year
FAQ
Katmai in August
How busy is Katmai in August?
August rates 8/10 for crowds (Busy) at Katmai National Park & Preserve — about 78% of its busiest month. Typical recreation visits: 10,678.
What is the weather like at Katmai in August?
In August, Katmai averages a high of 61°F and a low of 45°F, with about 4.4 inches of precipitation.
How much does it cost to visit Katmai?
Entry to Katmai is free.
When is Katmai least crowded?
Katmai is quietest in January and February. If your dates are flexible, those months bring the thinnest crowds of the year.
How many hours of daylight does Katmai get in August?
In mid-August, Katmai gets about 15.4 hours of daylight, with sunrise around 4:41 AM and sunset around 8:05 PM.