Measurements:
°C
°F
Castries
84°F
W 15 mph
Feels like: 86°F
Precip: 0%
World Resorts Saint Lucia Castries Weather

Castries Sea Water Temperature

Current Sea Water Temperature:
+86.6°F
Maximum Sea Water Temperature in December: 88.8°F
Minimum Sea Water Temperature in December: 83.6°F
Average water temperature in December: 85.8°F

Sea Water Temperature for the Last 10 Days:

December 25 86.6°F December 20 87.2°F
December 24 86.8°F December 19 87.0°F
December 23 86.8°F December 18 87.4°F
December 22 87.4°F December 17 87.4°F
December 21 87.0°F December 16 87.4°F

When is the Warmest Sea for Castries?

According to our data for the last three years for Castries the highest average sea water temperature was in September, October and August.

Average Water Temperature by Month, °F

Sea Water Temperature in September

Select Year: 2024 2023 2022

The average sea surface temperature in September 2024 for Castries was 90.3°F. The maximum and minimum values were 89.8°F and 91.0°F respectively.

Sea Water Temperature in October

Select Year: 2024 2023 2022

The average sea surface temperature in October 2024 for Castries was 90.5°F. The maximum and minimum values were 89.8°F and 91.2°F respectively.

Sea Water Temperature in August

Select Year: 2024 2023 2022

The average sea surface temperature in August 2024 for Castries was 89.2°F. The maximum and minimum values were 88.4°F and 89.8°F respectively.

Best Time to Visit Castries
The most sunny months:
September 5 days
February 4 days
March 4 days
The most warm months:
September 91.0 °F
October 90.1 °F
August 89.9 °F
Warmest sea temperature:
September 88.7 °F
October 88.4 °F
August 87.7 °F
The most cold months:
January 85.5 °F
February 85.6 °F
March 86.1 °F
The most rainy months:
August 7 days
September 6 days
October 5 days
The most windy months:
June 15 mph
February 15 mph
January 15 mph

Castries on the Weather Map

Saint Lucia Resorts:
NAME
Castries +84
Vieux Fort +82
24 Hours Weather Forecast
Castries
Local time: 09:18
25 dec, wednesday
1200 84°F
W
14 mph
1500 84°F
W
14 mph
1800 82°F
SW
13 mph
2100 82°F
SW
14 mph
26 dec, thursday
0000 80°F
W
13 mph
0300 80°F
W
12 mph
0600 80°F
W
14 mph
0900 84°F
W
14 mph