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 49.7°F. The highest and lowest sea temperatures during the month were 51.4°F and 48.2°F.
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| Ketchikan |
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| Ketchikan |
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| Ketchikan |
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| Ketchikan |
Monthly sea water temperature in Ketchikan, °F
Which USA resorts have warmest sea in May?
| Place name | May 2026 | May 2025 |
|---|---|---|
| Key West | 84.3°F | 83.5°F |
| Miami | 83.3°F | 82.6°F |
| Naples | 82.9°F | 83.5°F |
| Miami Beach | 82.7°F | 82.4°F |
| Tampa | 81.9°F | 82.7°F |
| West Palm Beach | 81.7°F | 81.1°F |
| Fort Lauderdale | 81.7°F | 81.1°F |
| Clearwater Beach | 81.5°F | 82.6°F |
| Sarasota | 81.5°F | 82.7°F |
| Port St. Lucie | 80.8°F | 78.9°F |
| Cocoa Beach | 80.4°F | 79.4°F |
| Corpus Christi | 79.5°F | 80.9°F |
| Orlando | 78.4°F | 77.2°F |
| Houston | 78.4°F | 79.5°F |
| Daytona Beach | 78.1°F | 76.0°F |
| New Orleans | 78.0°F | 79.5°F |
| Honolulu | 78.0°F | 78.1°F |
| Hawaii | 77.9°F | 78.0°F |
| St. George Island | 77.8°F | 79.2°F |
| Maui | 77.0°F | 77.5°F |
Best time for vacation in Ketchikan
Ketchikan on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Ketchikan
Local time: 14:16
September 13, sunday
1500
63°F
SE
12 mph
12 mph
1800
59°F
SE
8 mph
8 mph
2100
55°F
S
6 mph
6 mph
September 14, monday
0000
54°F
S
6 mph
6 mph
0300
54°F
S
4 mph
4 mph
0600
52°F
S
4 mph
4 mph
0900
55°F
S
2 mph
2 mph
1200
61°F
E
1 mph
1 mph
