Measurements:
°C
°F
Castries
80°F
W 11 mph
Feels like: 84°F
Precip: 100%
World Resorts Saint Lucia Castries Weather December Weather in Castries

Castries Weather: December

Average Day Temperature: 86.8°F
Average Night Temperature: 81.7°F
Sea Water Temperature: 85.8°F
Number of Sunny Days: 4 days
Sunshine Hours: 11.3 - 11.4 hours
Number of Rainy Days: 3 days
Precipitation Totals: 1.7 in

Air Temperature in December, °F

Select Year: 2024 2023 2022
1
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 December 2024 was 87°F. The lowest night temperature was 78°F. The average values for day and night temperatures during December were 85.0°F и 81.5°F respectivly.

Castries Water Sea Temperature in December, °F

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
80
82
84
86
88
90
92
94

The average sea surface temperature in December 2024 for Castries was 87.4°F. The maximum and minimum values were 86.2°F and 88.8°F respectively.

Sunny, Cloudy and Gloomy days
Sunny days
Cloudy days
Gloomy days
13%
58%
29%

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

Precipitation Totals in December, 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 December for Castries is 1.7 in.

Wind Speed in December, 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 December is 14.3 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 December is 5.8 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

Castries on the Weather Map

Saint Lucia Resorts:
NAME
Castries +80
Vieux Fort +82
24 Hours Weather Forecast
Castries
Local time: 00:18
01 may, thursday
0300 80°F
W
9 mph
0600 80°F
W
11 mph
0900 82°F
W
14 mph
1200 82°F
W
12 mph
1500 82°F
W
12 mph
1800 82°F
W
11 mph
2100 82°F
W
13 mph
02 may, friday
0000 82°F
W
13 mph