Ketchikan Weather in August

What's the weather like in Ketchikan (Alaska) in August 2024?

The climate in Ketchikan during August can be summarized as mild and very wet.

August is in the summer in Ketchikan and is typically the warmest month of the year. Daytime maximum temperatures average around 17°C (63°F), whilst at night 9°C (49°F) is normal.

Ketchikan weather averages (imperial / metric)
Daytime temperature	17°C 62.5°F
Nightly temperature	9.3°C 48.7°F
Average temperature	13.1°C 55.6°F
Daily sunshine	5.2 hrs
Avg rainfall	222 mm 8.8 ins
Rainy days	15 days
Sea temperature	13.2°C 55.8°F
Humidity	81%
Windspeed	12.2kph 8 mph

On average August is the 4th driest month of the year in Ketchikan with around 222mm 8.8 inches of rain making it a very wet time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.2 hours of sunshine per day.

August temperatures in Ketchikan

August rainfall

August hourly sunshine

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Ketchikan in August 2024.

Other monthly averages

Best places to visit in August

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Ketchikan weather stats

Ketchikan weather statistics
Hottest month:	August	16.8°C 62.2°F
Driest month:	July	154mm 6.1ins
Sunniest month:	May	6.3hrs
Coldest month:	January	2°C 35.6°F
Wettest month:	October	480mm 18.9ins

Map showing location of Ketchikan (55.34222, -131.64611)