The highest day temperature in March 2025 was 49°F. The lowest night temperature was 30°F. The average values for day and night temperatures during March were 42.0°F и 38.8°F respectivly.

The average sea surface temperature in March 2025 for Ketchikan was 41.9°F. The maximum and minimum values were 41.4°F and 43.4°F respectively.

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

Precipitation total in March for Ketchikan is 3.6 in.

The average wind speed in March is 11.1 mph. It makes March one of the most windy 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 March is 3.8 hours.