Measurements:
°C
°F
Castries
82°F
W 12 mph
Feels like: 86°F
Precip: 69%
World Resorts Saint Lucia Castries Weather

7 Day Weather Forecast

04.29
tue
DAY
82°F
W 10 mph
precip
0%
NIGHT
80°F
W 9 mph
precip
100%
04.30
wed
DAY
82°F
NW 12 mph
precip
100%
NIGHT
80°F
W 11 mph
precip
76%
05.01
thu
DAY
82°F
W 14 mph
precip
85%
NIGHT
80°F
W 10 mph
precip
100%
05.02
fri
DAY
82°F
W 13 mph
precip
0%
NIGHT
82°F
W 11 mph
precip
0%
05.03
sat
DAY
82°F
NW 11 mph
precip
0%
NIGHT
82°F
W 9 mph
precip
59%
05.04
sun
DAY
82°F
NW 9 mph
precip
75%
NIGHT
78°F
NW 6 mph
precip
0%
05.05
mon
DAY
80°F
NW 11 mph
precip
0%
NIGHT
78°F
W 6 mph
precip
0%

Castries Sea Water Temperature in April, °F

Select Year: 2025 2024 2023
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The average sea surface temperature in April 2025 for Castries was 27.4°F. The maximum and minimum values were 27.0°F and 27.7°F respectively.

Castries on the Weather Map

Best Time to Visit Castries
The most sunny months:
September 5 days
December 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 85.4 °F
February 85.5 °F
March 85.8 °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