Average sea water temperature in July:
+82.8°F
| Minimum sea water temperature in July: | 84.9°F |
| Maximum sea water temperature in July: | 81.0°F |
Daily sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 82.9°F. The highest and lowest sea temperatures during the month were 83.7°F and 82.6°F.
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| Castries |
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| Castries |
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| Castries |
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| Castries |
Monthly sea water temperature in Castries, °F
Which Saint Lucia resorts have warmest sea in July?
| Place name | July 2026 | July 2025 |
|---|---|---|
| Castries | 82.9°F | 82.9°F |
| Vieux Fort | 82.8°F | 83.2°F |
Best time for vacation in Castries
Castries on a weather map
24 Hours Forecast
Castries
Local time: 14:27
August 15, saturday
1500

82°F
W
24 mph
24 mph
1800

81°F
W
22 mph
22 mph
2100

79°F
W
23 mph
23 mph
August 16, sunday
0000

79°F
W
21 mph
21 mph
0300

79°F
W
17 mph
17 mph
0600

79°F
W
19 mph
19 mph
0900

82°F
W
19 mph
19 mph
1200

84°F
W
19 mph
19 mph

























