Alaska, USA
Ketchikan cruise weather by month
What to expect when your ship is in Ketchikan in any month: temperatures, how often it rains, wind, sea temperature and wave heights.
- 69°Fwarmest average high (August)
- 36°Fcoolest average high (December)
- 46%fewest rain days (August)
- 77%most rain days (November)
Weather in Ketchikan right now
Weather in Ketchikan by month
Average highs run from 36°F (2°C) in December to 69°F (20°C) in August. Rain falls on the fewest days in August and the most in November. Sea temperature and wave heights are for the water just off the port.
| Month | High / low | Rain days | Wind | Sea temp | Typical seas |
|---|---|---|---|---|---|
| January | 38 / 30°F3 / -1°C | 72% | 11 mph17 km/h | 43°F6°C | 2 ft (0.6 m)Slight; rougher days up to 5 ft |
| February | 38 / 28°F4 / -2°C | 65% | 9 mph15 km/h | 43°F6°C | 2 ft (0.5 m)Smooth; rougher days up to 5 ft |
| March | 43 / 31°F6 / 0°C | 61% | 9 mph15 km/h | 43°F6°C | 1 ft (0.4 m)Smooth; rougher days up to 4 ft |
| April | 48 / 35°F9 / 2°C | 73% | 9 mph15 km/h | 45°F7°C | 2 ft (0.5 m)Slight; rougher days up to 4 ft |
| May | 55 / 42°F13 / 6°C | 65% | 10 mph16 km/h | – | 1 ft (0.4 m)Smooth; rougher days up to 4 ft |
| June | 62 / 48°F17 / 9°C | 49% | 9 mph14 km/h | – | 1 ft (0.2 m)Smooth; rougher days up to 3 ft |
| July | 67 / 53°F19 / 12°C | 55% | 8 mph13 km/h | – | 1 ft (0.2 m)Smooth; rougher days up to 2 ft |
| August | 69 / 54°F20 / 12°C | 46% | 8 mph13 km/h | – | 1 ft (0.2 m)Smooth; rougher days up to 2 ft |
| September | 60 / 49°F16 / 10°C | 67% | 10 mph17 km/h | – | 1 ft (0.4 m)Smooth; rougher days up to 4 ft |
| October | 51 / 42°F10 / 6°C | 72% | 11 mph17 km/h | 51°F10°C | 2 ft (0.6 m)Slight; rougher days up to 5 ft |
| November | 42 / 34°F6 / 1°C | 77% | 11 mph18 km/h | 47°F9°C | 2 ft (0.7 m)Slight; rougher days up to 5 ft |
| December | 36 / 28°F2 / -2°C | 66% | 10 mph16 km/h | 45°F7°C | 2 ft (0.6 m)Slight; rougher days up to 5 ft |
Check the forecast for your sailing
Upcoming cruises in Ketchikan
1 ship from 1 cruise line is scheduled here, 1 visit in total. The next 1:
| Date | Ship | Stop | Sailing |
|---|---|---|---|
| Fri, Oct 92026 | Norwegian EncoreNorwegian Cruise Line | Calls | 7 nights from Seattle |
Ships that visit Ketchikan
Nearby cruise ports
Wave heights are significant wave height on the Douglas sea state scale. What the numbers mean for a cruise. Sources and method are on the about page.