Measurements:
°C
°F
CURRENT WEATHER
06:34
Castries
84°F
W 17 mph
Feels like: 90°F
Precip: 29%
World Resorts Saint Lucia Castries Weather

7 Day Weather Forecast

07.30
thu
DAY
88°F
W 21 mph
precip
5%
NIGHT
84°F
W 19 mph
precip
18%
07.31
fri
DAY
86°F
W 17 mph
precip
54%
NIGHT
82°F
NW 9 mph
precip
73%
08.01
sat
DAY
88°F
NW 14 mph
precip
7%
NIGHT
84°F
W 14 mph
precip
18%
08.02
sun
DAY
86°F
W 17 mph
precip
14%
NIGHT
84°F
W 17 mph
precip
25%
08.03
mon
DAY
88°F
W 17 mph
precip
21%
NIGHT
84°F
W 15 mph
precip
10%
08.04
tue
DAY
86°F
W 15 mph
precip
19%
NIGHT
84°F
W 13 mph
precip
13%
08.05
wed
DAY
88°F
W 17 mph
precip
7%
NIGHT
84°F
W 17 mph
precip
11%

Castries Sea Water Temperature in July, °F

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Castries was 28.3°F. The maximum and minimum values were 28.1°F and 28.7°F respectively.

Castries on the Weather Map

Best Time to Visit Castries
The most sunny months:
December 4 days
March 4 days
September 4 days
The most warm months:
September 90.9 °F
October 90.0 °F
August 89.8 °F
Warmest sea temperature:
September 88.7 °F
October 88.4 °F
August 87.7 °F
The most cold months:
January 85.3 °F
February 85.4 °F
March 85.7 °F
The most rainy months:
August 7 days
October 5 days
September 5 days
The most windy months:
June 16 mph
February 15 mph
July 15 mph
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