Ketchikan Gateway Borough (Ketchikan)
August
Weather in Ketchikan Gateway Borough, Alaska for August 2025
Your guide to Ketchikan Gateway Borough weather in August - trends and predictions
The forecast for the first days of August 2025 in Ketchikan Gateway Borough predicts temperatures to be around 16 °F, close to the historical average.
In general, the average temperature in Ketchikan Gateway Borough at the beginning of August is 15.3 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 13.4 °F by the end of August.
The climate of Ketchikan Gateway Borough in August is notably wet, with an average of 12 rainy days, and a total of 172.4 mm of precipitation.
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Temperatures
Rain 🌧️
More
19
Dry days
12
Rainy days
0
Snow days
17°/11°
Temperatures
11 km/h
Avg max wind
78 %
Avg humidity
Ketchikan Gateway Borough Weather August
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Temperatures trend during August in Ketchikan Gateway Borough
See the weather trend as well as the moving average line
August weather in Ketchikan Gateway Borough day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Moderate rain | 15° /12° | 15.3 mm | 1.7 | |
| Aug. 2 |  Mist | 18° /10° | 0 mm | 1.7 | |
| Aug. 3 |  Partly cloudy | 17° /12° | 0 mm | 0 | |
| Aug. 4 |  Patchy rain possible | 13° /11° | 1 mm | 3 | |
| Aug. 5 | Patchy rain possible | 12° /9° | 1.9 mm | 3 | |
| Aug. 6 | Moderate rain | 17° /11° | 5.2 mm | 3 | |
| Aug. 7 | Patchy rain possible | 15° /11° | 1.4 mm | 3 | |
| Aug. 8 | Patchy rain possible | 16° /12° | 1.4 mm | 3 | |
| Aug. 9 |  Sunny | 18° /10° | 0 mm | 4 | |
| Aug. 10 | Patchy rain possible | 14° /12° | 4.5 mm | 3 | |
| Aug. 11 | Patchy rain possible | 16° /13° | 1.6 mm | 3 | |
| Aug. 12 |  Cloudy | 21° /16° | 0 mm | 4 | |
| Aug. 13 | Patchy rain possible | 17° /15° | 4.7 mm | 4 | |
| Aug. 14 | Sunny | 17° /9° | 0 mm | 5 | |
| Aug. 15 | Sunny | 18° /10° | 0 mm | 5 | |
| Aug. 16 | Sunny | 19° /11° | 0 mm | 5 | |
| Aug. 17 | Partly cloudy | 19° /11° | 0 mm | 5 | |
| Aug. 18 | Sunny | 22° /13° | 0 mm | 6 | |
| Aug. 19 | Light rain shower | 15° /13° | 6.6 mm | 4 | |
| Aug. 20 | Light rain shower | 13° /10° | 4.4 mm | 3 | |
| Aug. 21 | Sunny | 17° /9° | 0.1 mm | 5 | |
| Aug. 22 | Cloudy | 17° /11° | 1 mm | 4 | |
| Aug. 23 |  Light drizzle | 13° /11° | 2.9 mm | 3 | |
| Aug. 24 | Patchy rain possible | 16° /12° | 1.6 mm | 4 | |
| Aug. 25 | Moderate rain | 12° /11° | 89.6 mm | 3 | |
| Aug. 26 | Patchy light drizzle | 14° /9° | 7.9 mm | 3 | |
| Aug. 27 | Partly cloudy | 15° /8° | 0 mm | 5 | |
| Aug. 28 | Moderate rain | 12° /11° | 9.5 mm | 3 | |
| Aug. 29 | Patchy rain possible | 14° /10° | 2 mm | 3 | |
| Aug. 30 | Light rain shower | 12° /10° | 21.9 mm | 3 | |
| Aug. 31 | Light rain | 15° /13° | 22.3 mm | 4 | |
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Important Notice
Our weather forecast for Ketchikan Gateway Borough in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Ketchikan Gateway Borough forecast closer to your planned date for the most up-to-date weather information.
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Ketchikan Gateway Borough in August - FAQ
What are the expected maximum and minimum temperatures in Ketchikan Gateway Borough during August?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Ketchikan Gateway Borough during August?
Significant rainfall exceeding 172.4 mm is expected in Ketchikan Gateway Borough during August, occurring over more than 12 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Ketchikan Gateway Borough during August?
The average wind speed in Ketchikan Gateway Borough during August is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Ketchikan Gateway Borough
Explore the daily rainfall trends and prepare for Ketchikan Gateway Boroughs August weather 💧
UV exposure in Ketchikan Gateway Borough during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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Where is Ketchikan Gateway Borough?Get accurate weather forecasts for Ketchikan Gateway Borough, located at latitude 55.342 and longitude -131.648. Stay updated with localized weather information tailored for Ketchikan Gateway Borough.
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