World Resorts USA Ketchikan Weather

Ketchikan Sea Temperature in May

Average sea water temperature in May:
+49.5°F
Minimum sea water temperature in May: 54.0°F
Maximum sea water temperature in May: 44.6°F

Daily sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 49.4°F. The highest and lowest sea temperatures during the month were 50.9°F and 48.2°F.

Monthly sea water temperature in Ketchikan, °F

Which USA resorts have warmest sea in May?

Place name May 2026 May 2025
Everglades 84.6°F 84.5°F
Key West 84.3°F 83.5°F
Key Largo 84.0°F 83.5°F
Miami 83.2°F 82.6°F
Cape Coral 82.8°F 83.4°F
Hialeah 82.8°F 82.3°F
Marco Island 82.8°F 83.5°F
Naples 82.5°F 83.5°F
Miami Beach 82.5°F 82.4°F
Fort Lauderdale 81.4°F 81.1°F
West Palm Beach 81.4°F 81.1°F
St. Petersburg 81.3°F 82.6°F
Tampa 81.2°F 82.7°F
Sarasota 80.9°F 82.7°F
Clearwater Beach 80.8°F 82.6°F
Siesta Key 80.6°F 82.5°F
Cocoa Beach 79.9°F 79.4°F
Corpus Christi 79.1°F 80.9°F
Honolulu 78.1°F 78.1°F
Hawaii 78.0°F 78.0°F

Best time for vacation in Ketchikan

Sunniest months:
August 9 days
July 7 days
April 6 days
Warmest months:
August 60.5 °F
July 59.4 °F
September 55.7 °F
Warmest sea temp:
August 60.1 °F
July 59.1 °F
September 56.0 °F
Coldest months:
December 36.1 °F
January 36.3 °F
February 36.9 °F
Rainiest months:
November 10 days
January 9 days
October 9 days
Windiest months:
November 12.1 mph
January 11.4 mph
December 11.0 mph

Ketchikan on a weather map

Ketchikan
+55°F
SE 5 mph
Feels like: +54°F
Precip.: 0%
Places in USA:
Name
°F
+61°F
+75°F
+75°F
+84°F
+63°F
+77°F
+81°F
+70°F
+63°F
+64°F
+54°F
+79°F
+81°F
+77°F
+61°F
24 Hours Forecast
Ketchikan
Local time: 18:43
May 25, monday
2100
48°F
SE
4 mph
May 26, tuesday
0000
46°F
SE
4 mph
0300
45°F
SE
5 mph
0600
46°F
SE
6 mph
0900
52°F
SE
6 mph
1200
54°F
E
4 mph
1500
55°F
NE
4 mph
1800
54°F
NE
3 mph
Units of measurement: °C / °F