Cardiff offers a solid outdoor season. July through August are perfect for all activities. Even dinner outside manages 2/12 months, while walking is comfortable 12/12 months — impressive.
CardiffUnited Kingdom
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Annual
2/12
Dinner Outside
27
0Jan: 0% viability
0
0Feb: 0% viability
0
3Mar: 3% viability
3
22Apr: 22% viability
22
45May: 45% viability
45
63Jun: 63% viability
63
70Jul: 70% viability
70
67Aug: 67% viability
67
46Sep: 46% viability
46
12Oct: 12% viability
12
1Nov: 1% viability
1
0Dec: 0% viability
0
2/12
Dinner Outside
0Jan: 0% viability
0
0Feb: 0% viability
0
3Mar: 3% viability
3
22Apr: 22% viability
22
45May: 45% viability
45
63Jun: 63% viability
63
70Jul: 70% viability
70
67Aug: 67% viability
67
46Sep: 46% viability
46
12Oct: 12% viability
12
1Nov: 1% viability
1
0Dec: 0% viability
0
27%
Cold
4/12
Lunch Outside
47
16Jan: 16% viability
16
16Feb: 16% viability
16
34Mar: 34% viability
34
59Apr: 59% viability
59
66May: 66% viability
66
72Jun: 72% viability
72
66Jul: 66% viability
66
67Aug: 67% viability
67
64Sep: 64% viability
64
58Oct: 58% viability
58
39Nov: 39% viability
39
12Dec: 12% viability
12
4/12
Lunch Outside
16Jan: 16% viability
16
16Feb: 16% viability
16
34Mar: 34% viability
34
59Apr: 59% viability
59
66May: 66% viability
66
72Jun: 72% viability
72
66Jul: 66% viability
66
67Aug: 67% viability
67
64Sep: 64% viability
64
58Oct: 58% viability
58
39Nov: 39% viability
39
12Dec: 12% viability
12
47%
Wind
12/12
Walking
86
85Jan: 85% viability
85
68Feb: 68% viability
68
84Mar: 84% viability
84
90Apr: 90% viability
90
89May: 89% viability
89
93Jun: 93% viability
93
88Jul: 88% viability
88
88Aug: 88% viability
88
88Sep: 88% viability
88
89Oct: 89% viability
89
86Nov: 86% viability
86
80Dec: 80% viability
80
12/12
Walking
85Jan: 85% viability
85
68Feb: 68% viability
68
84Mar: 84% viability
84
90Apr: 90% viability
90
89May: 89% viability
89
93Jun: 93% viability
93
88Jul: 88% viability
88
88Aug: 88% viability
88
88Sep: 88% viability
88
89Oct: 89% viability
89
86Nov: 86% viability
86
80Dec: 80% viability
80
86%
Wind
12/12
Running
86
85Jan: 85% viability
85
68Feb: 68% viability
68
84Mar: 84% viability
84
90Apr: 90% viability
90
89May: 89% viability
89
93Jun: 93% viability
93
88Jul: 88% viability
88
88Aug: 88% viability
88
88Sep: 88% viability
88
89Oct: 89% viability
89
86Nov: 86% viability
86
80Dec: 80% viability
80
12/12
Running
85Jan: 85% viability
85
68Feb: 68% viability
68
84Mar: 84% viability
84
90Apr: 90% viability
90
89May: 89% viability
89
93Jun: 93% viability
93
88Jul: 88% viability
88
88Aug: 88% viability
88
88Sep: 88% viability
88
89Oct: 89% viability
89
86Nov: 86% viability
86
80Dec: 80% viability
80
86%
Wind
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ComfortableModerateUncomfortable
Based on 2014–2024 hourly climate data · Updated Mar 2025