Measurements:
°C
°F
CURRENT WEATHER
12:35
Castries
82°F
W 10 mph
Feels like: 86°F
Precip: 0%
World Resorts Saint Lucia Castries Weather April Weather in Castries

Castries Weather: April

Average Day Temperature: 87.0°F
Average Night Temperature: 81.4°F
Sea Water Temperature: 84.5°F
Number of Sunny Days: 2 days
Sunshine Hours: 12.3 - 12.6 hours
Number of Rainy Days: 2 days
Precipitation Totals: 1.6 in
detailed information

Air Temperature in April, °F

Select Year: 2025 2024 2023
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3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
14
28
42
56
70
84
98
112
Day Temperature   
Night Temperature

The highest day temperature in April 2025 was 87°F. The lowest night temperature was 78°F. The average values for day and night temperatures during April were 82.0°F и 79.8°F respectivly.

Castries Water Sea Temperature in April, °F

Select Year: 2025 2024 2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
79
81
83
85
87
89
91
93

The average sea surface temperature in April 2025 for Castries was 84.8°F. The maximum and minimum values were 84.0°F and 85.4°F respectively.

Sunny, Cloudy and Gloomy days
Sunny days
Cloudy days
Gloomy days
7%
57%
37%

Most of the days in April are cloudy but you can also expect sunny or gloomy days.

Precipitation Totals in April, in

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
0.7
1.5
2.2
2.9
3.6
4.4
5.1
5.8

Precipitation total in April for Castries is 1.6 in. It makes april one of the least rainy months of the year.

Wind Speed in April, mph
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
2.7
5.3
8.0
10.6
13.3
16.0
18.6

The average wind speed in April is 13.7 mph.

Average Sunny Hours Per Day
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.1
2.2
3.3
4.4
5.6
6.7
7.8

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Castries in April is 5.9 hours.

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
more details

Castries on the Weather Map

Saint Lucia Resorts:
NAME
F°
Castries +82
Vieux Fort +86
24 Hours Weather Forecast
Castries
Local time: 12:35
29 apr, tuesday
1500 82°F
NW
9 mph
1800 82°F
W
8 mph
2100 80°F
W
8 mph
30 apr, wednesday
0000 80°F
W
9 mph
0300 80°F
NW
11 mph
0600 80°F
NW
11 mph
0900 82°F
W
11 mph
1200 82°F
NW
12 mph