Ketchikan Gateway County Weather
Hot Alaska Rankings
The average temperature of Ketchikan Gateway County is 45.55°F, which is much higher than the Alaska average temperature of 32.03°F and is much lower than the national average temperature of 54.45°F.
Historical Weather
Average Temperature
Annual Average Temperature, #1
| Ketchikan Gateway County | 45.6 °F |
| Alaska | 32.0 °F |
| U.S. | 54.5 °F |
Precipitation
Average Annual Precipitation, #1
| Ketchikan Gateway County | 111.15 inches |
| Alaska | 29.03 inches |
| U.S. | 38.67 inches |
Average Number of Days with 0.1 Inch or More Precipitation in a Year (this gives an indication of the number of days in a year that it is useful to have an umbrella), #1
| Ketchikan Gateway County | 164.71 days |
| Alaska | 65.66 days |
| U.S. | 66.51 days |
Snow
Average Annual Snowfall, #27
| Ketchikan Gateway County | 27.85 inches |
| Alaska | 64.46 inches |
| U.S. | 23.27 inches |
Average Number of Days with 1 Inch or More Snow Depth in a Year, #27
| Ketchikan Gateway County | 19.31 days |
| Alaska | 144.79 days |
| U.S. | 27.17 days |
Humidity
Annual Average Humidity, #21
| Ketchikan Gateway County | 78.69% |
| Alaska | 81.46% |
| U.S. | 77.52% |
Wind Speed
Annual Average Wind Speed, #20
| Ketchikan Gateway County | 13.87 mph |
| Alaska | 16.35 mph |
| U.S. | 16.93 mph |
* The temperature, snow fall, and precipitation information on this page were calculated from the historical data of 18,000+ U.S weather stations for the period of time from 1980 to 2010. The humidity and wind speed information were calculated from data from 15,000 worldwide stations for the period of time from 1980 to 2010.