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Castries weather in January

Weather in Castries: January

Average day temperature: 81.9°F
Average night temperature: 77.4°F
Sea water temperature: 81.0°F
Number of sunny days: 3 days
Day length: 11.3 - 11.5 hours
Number of rainy days: 2 days
Precipitation totals: 1.6 in.

Air temperature in January, °F

Show year:
2025
2024
2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
13
26
39
52
65
78
91
104
Day temperature   
Night temperature

The highest day temperature during January of 2025 was 81°F. At the same time the lowest night temperature was 76°F. Day and night temperature averages during January were 80.5°F and 77.8°F.

Sea water temperature in Castries in January, °F

Show year:
2025
2024
2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
75
77
79
81
83
85
87

The average sea water temperature in January of 2025 was 82.2°F. The highest and lowest sea temperatures during the month were 82.8°F and 81.7°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
6%
55%
39%

Mostly all days in January are partly cloudy but sunny or cloudy days are also possible.

Precipitation total in January, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.8
1.7
2.5
3.4
4.2
5.1
5.9
2.0
4.0
4.4
4.6
4.9
3.2
2.9
1.7
1.6
1.6
1.6
2.0
4.0
4.4
4.6
4.9
3.2
2.9
1.7
1.6
1.6
1.6
1.8

Precipitation total value in Castries in January is 1.8 in. Other months of the year show relatively similar values.

Wind speed in January, 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
15.9
18.6
14.4
12.9
11.9
10.8
13.4
15.2
15.5
14.9
13.8
14.6
15.3
14.4
12.9
11.9
10.8
13.4
15.2
15.5
14.9
13.8
14.6
15.3
14.8

The average wind speed value in January is 14.8 mph

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.1
2.2
3.2
4.3
5.4
6.5
7.6
5.5
4.8
5.3
6.0
5.4
5.6
5.8
6.1
5.9
6.3
5.8
5.5
4.8
5.3
6.0
5.4
5.6
5.8
6.1
5.9
6.3
5.8
5.0

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in January is: 5.0.

Best time for vacation in Castries

Sunniest months:
September 5 days
February 4 days
March 4 days
Warmest months:
September 86.9 °F
October 86.1 °F
August 85.9 °F
Warmest sea temp:
September 84.8 °F
October 84.5 °F
August 83.9 °F
Coldest months:
January 81.9 °F
February 82.1 °F
March 82.5 °F
Rainiest months:
August 7 days
September 6 days
October 5 days
Windiest months:
June 15.5 mph
February 15.3 mph
January 15.1 mph

Castries on a weather map

Leaflet | Tiles © Esri
Places in Saint Lucia:
Name
°F
+79°F
+79°F
24 Hours Forecast
Castries
Local time: 12:17
February 18, tuesday
1500
79°F
W
19 mph
1800
77°F
W
19 mph
2100
77°F
W
18 mph
February 19, wednesday
0000
77°F
W
17 mph
0300
77°F
W
15 mph
0600
77°F
W
16 mph
0900
79°F
W
17 mph
1200
79°F
W
17 mph
Units of measurement: °C / °F