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Climate Lab — Portsmouth, United Kingdom

Climate Lab·

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

MetricJanFebMarAprMayJunJulAugSepOctNovDecYear
Temperature
Daily high°C
10
11
11
13
16
20
21
21
20
16
13
12
15
Daily mean°C
7
8
9
11
14
16
18
19
17
15
11
8
13
Daily low°C
2
6
6
8
10
14
15
16
13
12
6
6
9
Thermal comfort
High feels°C
3
7
12
18
20
26
27
26
22
16
11
3
16
Mean feels°C
-5
-3
1
7
14
17
17
18
14
9
2
-3
7
Low feels°C
-12
-11
-7
-4
3
8
10
9
4
1
-7
-11
-1
Humidity
Humidity%
84
83
80
73
77
73
77
79
80
83
83
85
80
Dewpoint°C
3.8
5.4
5.8
6.3
8.6
12.2
13.5
14.6
13.1
11.3
7.5
5.7
9.0
Precipitation
Rainfallmm
92
70
62
35
44
38
72
71
72
154
88
116
914
Rain days≥1mm
12
13
11
7
13
13
13
10
11
15
14
14
146
Wind
Wind avgm/s
6.3
7.7
6.3
4.9
4.6
5.3
4.8
5.2
4.7
6.1
6.2
6.4
5.7
Wind gustsm/s
11.3
11.6
11.2
10.0
8.5
8.4
10.4
9.7
9.9
10.5
12.0
12.2
10.5
Sun & UV
Sunshinehrs/day
3.8
5.0
7.9
10.2
10.9
11.4
11.8
10.2
8.2
6.0
4.0
3.0
7.7
Clear skyindex
30%
29%
35%
43%
37%
44%
47%
41%
36%
32%
33%
22%
36%
UV indexmax avg
0.5
1.0
1.8
3.4
4.3
5.5
5.1
4.4
3.2
1.7
0.7
0.4
2.7
Based on 2014–2024 hourly climate data · Updated Mar 2025
Confidence: High

How winter feel compares

Compared across United Kingdom

Portsmouth: -8.8 °C. Typical range in United Kingdom: -11.6–-9.1 °C. Low anchor: Edinburgh, -13.3 °C. High anchor: Plymouth, -7.0 °C.

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