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Climate Lab — Castries, Saint Lucia

Climate Lab·

Monthly climate metrics across temperature, precipitation, wind, and UV.

MetricJanFebMarAprMayJunJulAugSepOctNovDecYear
Temperature
Daily high°C
28
28
28
29
30
30
30
30
31
30
29
29
29
Daily mean°C
26
26
27
27
28
29
28
29
29
28
28
27
28
Daily low°C
25
24
25
25
27
27
27
27
27
27
26
26
26
Thermal comfort
High feels°C
31
31
32
33
34
34
33
34
37
35
33
33
33
Mean feels°C
27
27
28
29
31
31
31
32
33
31
29
29
30
Low feels°C
20
19
19
21
22
23
24
25
26
24
23
21
22
Humidity
Humidity%
70
69
67
67
68
73
76
75
74
76
79
73
72
Dewpoint°C
20.2
19.6
19.8
20.4
21.5
22.4
23.1
23.6
23.5
23.5
23.0
21.5
21.8
Precipitation
Rainfallmm
40
34
33
34
30
100
112
125
104
123
133
50
917
Rain days≥1mm
18
13
15
13
11
20
27
23
22
24
26
16
228
Wind
Wind avgm/s
5.8
6.5
5.7
5.6
6.1
6.3
5.9
4.8
3.8
4.7
5.5
5.5
5.5
Wind gustsm/s
8.5
8.2
7.8
7.2
7.6
8.1
8.1
7.3
5.9
7.3
7.2
7.5
7.6
Sun & UV
Sunshinehrs/day
8.9
9.7
9.9
10.5
10.5
10.6
10.5
10.4
10.0
9.9
9.3
9.2
10.0
Clear skyindex
66%
70%
57%
46%
51%
51%
52%
45%
50%
53%
51%
63%
55%
UV indexmax avg
8.1
9.5
11.4
12.0
11.3
9.7
10.0
10.6
10.4
9.0
8.0
7.7
9.8
Based on 2014–2024 hourly climate data · Updated Mar 2025
Confidence: High

How winter feel compares

Compared worldwide

Castries: 20.9 °C. Typical range: -9.1–15.9 °C. Low anchor: Toronto, -18.1 °C. High anchor: Singapore, 25.2 °C.

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