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Climate Lab — Saint John’s, Antigua and Barbuda

Climate Lab·

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

MetricJanFebMarAprMayJunJulAugSepOctNovDecYear
Temperature
Daily high°C
26
26
26
26
27
28
28
28
29
29
28
27
27
Daily mean°C
26
25
25
26
27
28
28
28
28
28
27
26
27
Daily low°C
25
24
24
25
26
27
27
27
27
27
26
25
26
Thermal comfort
High feels°C
27
26
27
28
29
30
30
31
33
32
30
29
29
Mean feels°C
25
24
24
25
27
28
28
29
30
29
28
26
27
Low feels°C
19
19
19
20
22
24
24
25
25
24
23
21
22
Humidity
Humidity%
75
77
76
76
78
79
80
80
80
80
79
76
78
Dewpoint°C
20.8
20.7
20.6
21.3
22.6
23.3
23.9
24.1
24.1
23.6
22.9
21.8
22.5
Precipitation
Rainfallmm
35
47
39
40
31
73
101
93
116
86
132
47
839
Rain days≥1mm
16
15
15
11
13
17
23
17
22
18
17
15
199
Wind
Wind avgm/s
7.1
8.1
6.8
6.5
7.0
7.2
7.7
7.0
5.5
6.2
6.8
7.0
6.9
Wind gustsm/s
9.8
10.3
9.4
8.6
8.8
9.5
10.1
9.5
8.4
9.6
9.2
10.1
9.4
Sun & UV
Sunshinehrs/day
9.3
10.0
10.4
10.8
11.0
10.7
10.9
10.7
10.2
9.7
9.4
9.4
10.2
Clear skyindex
76%
78%
74%
59%
57%
51%
57%
54%
51%
62%
67%
74%
63%
UV indexmax avg
7.4
8.7
10.9
11.7
11.3
10.5
9.9
10.9
10.2
9.1
7.2
6.7
9.5
Based on 2014–2024 hourly climate data · Updated Mar 2025
Confidence: High

How winter feel compares

Compared worldwide

Saint John’s: 20.0 °C. Typical range: -9.1–15.9 °C. Low anchor: Toronto, -18.1 °C. High anchor: Singapore, 25.2 °C.

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