Outdoor living in Mariehamn is seasonal. October through March are the toughest stretch. Even dinner outside manages 1/12 months, while walking works 6/12 months.
MariehamnAland Islands
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Annual
1/12
Dinner Outside
20
0Jan: 0% viability
0
0Feb: 0% viability
0
0Mar: 0% viability
0
5Apr: 5% viability
5
29May: 29% viability
29
69Jun: 69% viability
69
59Jul: 59% viability
59
49Aug: 49% viability
49
26Sep: 26% viability
26
1Oct: 1% viability
1
0Nov: 0% viability
0
0Dec: 0% viability
0
1/12
Dinner Outside
0Jan: 0% viability
0
0Feb: 0% viability
0
0Mar: 0% viability
0
5Apr: 5% viability
5
29May: 29% viability
29
69Jun: 69% viability
69
59Jul: 59% viability
59
49Aug: 49% viability
49
26Sep: 26% viability
26
1Oct: 1% viability
1
0Nov: 0% viability
0
0Dec: 0% viability
0
20%
Cold
1/12
Lunch Outside
30
0Jan: 0% viability
0
1Feb: 1% viability
1
8Mar: 8% viability
8
28Apr: 28% viability
28
62May: 62% viability
62
72Jun: 72% viability
72
58Jul: 58% viability
58
56Aug: 56% viability
56
56Sep: 56% viability
56
15Oct: 15% viability
15
4Nov: 4% viability
4
0Dec: 0% viability
0
1/12
Lunch Outside
0Jan: 0% viability
0
1Feb: 1% viability
1
8Mar: 8% viability
8
28Apr: 28% viability
28
62May: 62% viability
62
72Jun: 72% viability
72
58Jul: 58% viability
58
56Aug: 56% viability
56
56Sep: 56% viability
56
15Oct: 15% viability
15
4Nov: 4% viability
4
0Dec: 0% viability
0
30%
Cold
6/12
Walking
64
38Jan: 38% viability
38
44Feb: 44% viability
44
64Mar: 64% viability
64
70Apr: 70% viability
70
84May: 84% viability
84
86Jun: 86% viability
86
80Jul: 80% viability
80
75Aug: 75% viability
75
71Sep: 71% viability
71
45Oct: 45% viability
45
54Nov: 54% viability
54
52Dec: 52% viability
52
6/12
Walking
38Jan: 38% viability
38
44Feb: 44% viability
44
64Mar: 64% viability
64
70Apr: 70% viability
70
84May: 84% viability
84
86Jun: 86% viability
86
80Jul: 80% viability
80
75Aug: 75% viability
75
71Sep: 71% viability
71
45Oct: 45% viability
45
54Nov: 54% viability
54
52Dec: 52% viability
52
64%
Wind
6/12
Running
64
38Jan: 38% viability
38
44Feb: 44% viability
44
64Mar: 64% viability
64
70Apr: 70% viability
70
84May: 84% viability
84
86Jun: 86% viability
86
80Jul: 80% viability
80
75Aug: 75% viability
75
71Sep: 71% viability
71
45Oct: 45% viability
45
54Nov: 54% viability
54
52Dec: 52% viability
52
6/12
Running
38Jan: 38% viability
38
44Feb: 44% viability
44
64Mar: 64% viability
64
70Apr: 70% viability
70
84May: 84% viability
84
86Jun: 86% viability
86
80Jul: 80% viability
80
75Aug: 75% viability
75
71Sep: 71% viability
71
45Oct: 45% viability
45
54Nov: 54% viability
54
52Dec: 52% viability
52
64%
Wind
Tap any month for details · Click activity name for overview
ComfortableModerateUncomfortable
Based on 2014–2024 hourly climate data · Updated Mar 2025