Measurements:
°C
°F
Ketchikan
42°F
NW 19 mph
Feels like: 34°F
Precip: 0%
World Resorts USA Ketchikan Weather

Ketchikan Sea Water Temperature

Current Sea Water Temperature:
+42.6°F
Maximum Sea Water Temperature in December: 45.2°F
Minimum Sea Water Temperature in December: 41.2°F
Average water temperature in December: 43.3°F

Sea Water Temperature for the Last 10 Days:

December 22 42.6°F December 17 43.8°F
December 21 43.2°F December 16 43.4°F
December 20 43.2°F December 15 43.6°F
December 19 43.4°F December 14 43.4°F
December 18 43.4°F December 13 43.8°F

When is the Warmest Sea for Ketchikan?

According to our data for the last three years for Ketchikan the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2024 2023 2022

The average sea surface temperature in August 2024 for Ketchikan was 60.8°F. The maximum and minimum values were 56.8°F and 64.2°F respectively.

Sea Water Temperature in July

Select Year: 2024 2023 2022

The average sea surface temperature in July 2024 for Ketchikan was 58.8°F. The maximum and minimum values were 55.6°F and 60.0°F respectively.

Sea Water Temperature in September

Select Year: 2024 2023 2022

The average sea surface temperature in September 2024 for Ketchikan was 55.4°F. The maximum and minimum values were 51.8°F and 57.2°F respectively.

Best Time to Visit Ketchikan
The most sunny months:
August 9 days
July 7 days
September 6 days
The most warm months:
August 61.2 °F
July 60.2 °F
June 56.2 °F
Warmest sea temperature:
August 61.3 °F
July 60.5 °F
September 56.4 °F
The most cold months:
December 34.2 °F
January 34.2 °F
February 36.2 °F
The most rainy months:
January 13 days
November 12 days
February 10 days
The most windy months:
January 13 mph
November 13 mph
December 12 mph

Ketchikan on the Weather Map

USA Resorts:
NAME
Boston +10
Chicago +20
Hawaii +78
Honolulu +78
Houston +46
Las Vegas +50
Los Angeles +54
Miami +62
New York +16
Orlando +50
San Diego +54
San Francisco +54
Sarasota +48
Tampa +46
Washington +20
24 Hours Weather Forecast
Ketchikan
Local time: 01:18
22 dec, sunday
0300 42°F
NW
19 mph
0600 40°F
NW
13 mph
0900 40°F
W
14 mph
1200 40°F
W
14 mph
1500 40°F
W
9 mph
1800 40°F
W
8 mph
2100 40°F
W
9 mph
23 dec, monday
0000 42°F
NW
17 mph