The highest day temperature in July 2025 was 73°F. The lowest night temperature was 52°F. The average values for day and night temperatures during July were 61.7°F и 55.5°F respectivly.

The average sea surface temperature in July 2025 for Ketchikan was 58.3°F. The maximum and minimum values were 56.0°F and 62.6°F respectively.

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

Precipitation total in July for Ketchikan is 2.3 in. It makes july one of the least rainy months of the year.

The average wind speed in July is 6.3 mph. It makes July the most windless month 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 July is 6.3 hours.