The highest day temperature in April 2025 was 50°F. The lowest night temperature was 40°F. The average values for day and night temperatures during April were 45.8°F и 43.0°F respectivly.

The average sea surface temperature in April 2025 for Ketchikan was 44.6°F. The maximum and minimum values were 42.6°F and 46.6°F respectively.

Most of the days in April are gloomy but you can also expect sunny days.

Precipitation total in April for Ketchikan is 2.9 in. It makes april one of the least rainy months of the year.

The average wind speed in April is 9.6 mph.

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 April is 5.1 hours.