Average annual temperature is 8.4 °C
Absolute maximum temperature: 28.3 °C
Absolute minimum temperature: -11.9 °C
Number of sunny days: 86
Number of rainy days: 270
Number of snow days: 9
Average annual precipitation: 3279 mm
Look at detailed online map of Ketchikan
* Weather data for Ketchikan United States is based on climate observations for 2023 year
| Jan | Feb | Mar | Apr | Maggio | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 8.7 | 7.2 | 10.5 | 16.9 | 22.2 | 23.4 | 28.3 | 25 | 22.3 | 17.8 | 9.9 | 9.8 |
| Average daytime temperature (°C) | 5.8 | 3.5 | 5.8 | 8.3 | 14.9 | 16.8 | 20.5 | 19.8 | 14.8 | 11.1 | 7.8 | 6.1 |
| Average temperature (°C) | 4.2 | 1.4 | 2.3 | 5.1 | 10.9 | 12.9 | 16.1 | 16 | 12.2 | 8.8 | 6.1 | 4.3 |
| Average night temperature (°C) | 2.7 | -0.6 | 0.1 | 2.9 | 8 | 10.2 | 13.1 | 13.7 | 10.4 | 7 | 4.7 | 2.8 |
| Absolute minimum temperature (°C) | -1.2 | -11.9 | -6 | 0.1 | 4.3 | 7.3 | 9.6 | 11.3 | 6.5 | -0.2 | 0.5 | -1.4 |
| Jan | Feb | Mar | Apr | Maggio | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 8.6 | 10.7 | 13 | 15.2 | 17 | 17.5 | 17.4 | 16 | 13.8 | 11.6 | 9.3 | 7.5 |
| Daylight mean duration (h) | 7.8 | 9.7 | 11.9 | 14.2 | 16.2 | 17.4 | 16.8 | 15 | 12.7 | 10.5 | 8.4 | 7.2 |
| Daylight minimum duration (h) | 7.2 | 8.7 | 10.7 | 13.1 | 15.3 | 17.1 | 16 | 13.9 | 11.7 | 9.4 | 7.6 | 7.1 |
| Sunshine mean duration (h) | 3.1 | 3.8 | 6.9 | 6.5 | 10 | 9.2 | 11.5 | 8.6 | 5 | 5 | 3.3 | 2.1 |
| Precipitation (mm) | 409 | 428 | 151 | 344 | 127 | 139 | 79 | 113 | 319 | 240 | 448 | 482 |
| Sunny days | 3 | 3 | 11 | 3 | 14 | 12 | 13 | 11 | 6 | 9 | 1 | |
| Rainy days | 27 | 20 | 17 | 27 | 17 | 18 | 18 | 20 | 24 | 22 | 29 | 31 |
| Snow days | 1 | 5 | 3 |
The best time to visit Ketchikan during the most sunny months:
Months with the longest average daylight duration in Ketchikan:
The largest precipitation sum in Ketchikan is at