World Resorts Saint Lucia Castries Weather

Castries Sea Temperature in July

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.

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

Sunniest months:
December 4 days
March 4 days
September 4 days
Warmest months:
September 86.8 °F
October 86.0 °F
August 85.7 °F
Warmest sea temp:
September 84.9 °F
October 84.6 °F
August 83.9 °F
Coldest months:
January 81.8 °F
February 81.9 °F
March 82.1 °F
Rainiest months:
August 7 days
October 5 days
September 5 days
Windiest months:
June 15.8 mph
February 15.4 mph
July 15.0 mph

Castries on a weather map

Current weather
10:24
Castries
+84°F
W 16 mph
Feels like: +91°F
Precip.: 24%
Places in Saint Lucia:
Name
°F
Vieux Fort
+82°F
Castries
+84°F
24 Hours Forecast
Castries
Local time: 10:24
September 25, friday
1200
86°F
W
15 mph
1500
84°F
W
15 mph
1800
82°F
W
13 mph
2100
82°F
W
14 mph
September 26, saturday
0000
82°F
W
15 mph
0300
82°F
W
14 mph
0600
82°F
W
14 mph
0900
84°F
W
14 mph
Units of measurement: °C / °F