Climate LabPortmore, Jamaica

Climate Lab·

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

MetricJanFebMarAprMayJunJulAugSepOctNovDecYear
Temperature
Daily high°C
28
28
28
28
30
30
31
31
30
29
29
28
29
Daily mean°C
26
26
27
26
28
28
29
29
28
27
27
26
27
Daily low°C
23
23
24
24
25
26
26
27
26
25
25
24
25
Thermal comfort
High feels°C
33
33
33
33
35
35
36
37
36
36
34
33
34
Mean feels°C
28
28
29
30
32
31
32
33
32
32
31
28
30
Low feels°C
19
20
20
22
25
25
25
25
25
24
23
21
23
Humidity
Humidity%
68
70
70
73
74
73
68
71
79
81
79
77
74
Dewpoint°C
19.6
20.0
19.9
21.1
22.3
22.6
22.5
23.1
23.7
23.8
22.8
21.4
21.9
Precipitation
Rainfallmm
11
24
24
50
63
61
55
73
145
140
199
17
860
Rain days≥1mm
3
6
7
12
11
15
12
15
19
24
14
5
143
Wind
Wind avgm/s
3.3
3.9
3.8
3.5
4.0
4.2
4.3
3.2
2.6
2.4
2.5
3.0
3.4
Wind gustsm/s
6.3
6.1
6.0
5.7
5.8
6.5
6.5
5.9
4.9
4.8
5.4
5.1
5.7
Sun & UV
Sunshinehrs/day
9.0
9.4
9.8
10.2
10.6
10.5
10.9
10.4
9.8
9.0
8.6
9.0
9.8
Clear skyindex
74%
76%
67%
53%
48%
39%
55%
52%
56%
48%
46%
68%
57%
UV indexmax avg
6.8
8.2
10.1
10.9
10.4
9.6
9.5
10.2
9.7
8.1
6.5
6.0
8.8
Based on 2014–2024 hourly climate data · Updated Mar 2025
Confidence: High

How winter feel compares

Compared across Jamaica

Portmore: 21.8 °C. Typical range in Jamaica: 21.822.3 °C. High anchor: Savanna-la-Mar, 24.4 °C.

8 cities tracked