United StatesThe weather in August in Katmai National Park
It's cool in August in Katmai National Park with an average temperature of 14°C. Temperatures this month range from a low of 14°C to a high of 16°C. At night, you can expect temperatures between 9°C and 11°C.
Looking for sun? August isn’t a good month to be in Katmai National Park. There’s too much chance of rain this month.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in August for Katmai National Park, Alaska. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 22°C in 2019, Katmai National Park reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 9°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of 0°C to a highest value of 17°C.
Rainfall amount
In August, there is an average of 148 mm of precipitation, spread over 18 days. The wind speed is around 4 Bft, mostly coming from the Southwest.
Daily weather in August for Katmai National Park
Click on any day in August to get detailed info about the usual weather on that day in Katmai National Park. Check out the historical temperatures and precipitation over the past 10 years on this day.
August weather comparison
| Katmai National Park | New York | |
|---|---|---|
| Average temperature | 14°C | 30°C |
| Max. temperature | 16°C | 31°C |
| Min. temperature | 9°C | -5°C |
| Total precipitation | 148 mm | 79 mm |
| Rainy days | 18 days | 13 days |
Start of August
The month of August starts in Katmai National Park with cool temps, averaging around 15°C during the day and nights around 11°C.
Mid August
By mid-August, daytime temps stay steady at around 15°C, with nights around 10°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of August
By the end of August, the average daytime temperature in Katmai National Park is around 15°C, while nighttime temps are about 10°C. There’s a significant chance of many days with precipitation.
UV index
The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Check out the climate of Katmai National Park for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in August in Katmai National Park, Alaska. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in August in Katmai National Park
Temperature in August in Katmai National Park over the years
Precipitation charts
These charts show the average amount of precipitation in August in Katmai National Park, Alaska. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in August in Katmai National Park
Total precipitation in August in Katmai National Park over the years
Daily UV index in August in Katmai National Park
This chart shows the average daily UV index in August in Katmai National Park, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in August in Katmai National Park
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Average weather in Katmai National Park by month
Click on a month below to see detailed weather info for Katmai National Park. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.