Ketchikan Weather: August
 |
Average Day Temperature: | 61.7°F |
|
Average Night Temperature: | 56.9°F |
|
Sea Water Temperature: | 61.2°F |
|
Number of Sunny Days: | 9 days |
| Sunshine Hours: | 13.8 - 15.9 hours | |
|
Number of Rainy Days: | 8 days |
| Precipitation Totals: | 3.9 in | |
| detailed information | ||
forecast
| Ketchikan |
Temperature
| Ketchikan |
Air Temperature in August, °F
The highest day temperature in August 2025 was 73°F. The lowest night temperature was 54°F. The average values for day and night temperatures during August were 64.3°F и 57.7°F respectivly.
Ketchikan Water Sea Temperature in August, °F
The average sea surface temperature in August 2025 for Ketchikan was 60.6°F. The maximum and minimum values were 58.6°F and 62.8°F respectively.
Most of the days in August are gloomy but you can also expect sunny days.
Precipitation Totals in August, in
Precipitation total in August for Ketchikan is 3.9 in.
The average wind speed in August is 7.1 mph. It makes August one of the most windless months of the year for Ketchikan.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Ketchikan in August is 6.2 hours.
Ketchikan on the Weather Map
| Chicago |  |
-2 |
| Hawaii | |
+78 |
| Honolulu | |
+78 |
| Houston | |
+44 |
| Las Vegas |  |
+40 |
| Los Angeles | |
+52 |
| Maui | |
+72 |
| Miami | |
+72 |
| Miami Beach |  |
+80 |
| New York | |
+18 |
| San Diego | |
+54 |
| San Francisco | |
+46 |
| Sarasota | |
+62 |
| Tampa | |
+62 |
| Washington | |
+28 |
| 0000 |  |
40°F | W 4 mph |
| 0300 | |
40°F | W 4 mph |
| 0600 | |
38°F | W 5 mph |
| 0900 | |
38°F | S 6 mph |
| 1200 |  |
40°F | S 7 mph |
| 1500 |  |
40°F | S 6 mph |
| 1800 | |
34°F | S 4 mph |
| 2100 | |
32°F | SW 2 mph |