Average sea water temperature in May:
+81.6°F
| Minimum sea water temperature in May: | 85.1°F |
| Maximum sea water temperature in May: | 79.7°F |
Daily sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 81.9°F. The highest and lowest sea temperatures during the month were 82.4°F and 81.1°F.
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| St John's |
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| St John's |
14 days
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Monthly sea water temperature in St John's, °F
Which Antigua and Barbuda resorts have warmest sea in May?
Best time for vacation in St John's
St John's on a weather map
24 Hours Forecast
St John's
Local time: 06:33
September 19, saturday
0900

82°F
NW
9 mph
9 mph
1200

84°F
NW
11 mph
11 mph
1500

84°F
W
9 mph
9 mph
1800

82°F
W
11 mph
11 mph
2100

82°F
W
11 mph
11 mph
September 20, sunday
0000

82°F
W
11 mph
11 mph
0300

81°F
W
9 mph
9 mph
0600

81°F
NW
10 mph
10 mph


























