Mariehamn Travel Guide – Attractions & Tours

Featured Lists

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Mariehamn Essentials

Mariehamn, the capital of the Åland Islands, is defined by its seafaring heritage and strategic location between the East and West Harbors. This selection focuses on the town's maritime history, anchored by the 1903 museum ship Pommern and the Åland Maritime Museum. The list also highlights civic architecture designed by Lars Sonck, including the town hall and St. George’s Church, alongside key cultural sites like the Alandica center and the historic Jungfrudansen stone labyrinth.

10 places

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Maritime Heritage

Mariehamn served as the home port for the world’s last great fleet of commercial sailing ships under shipowner Gustaf Erikson. This collection explores that legacy through the Pommern, a remarkably preserved four-masted barque, and the Åland Maritime Museum’s extensive collection of figureheads and nautical instruments. The Sjökvarteret (Maritime Quarter) provides a living history of traditional wooden boatbuilding, while smaller specialized museums document the evolution of marine engines and early 20th-century merchant life in the archipelago.

6 places

Parks & Nature

Mariehamn’s landscape is shaped by its maritime history and a commitment to urban green spaces. This collection highlights the city's diverse natural areas, from the historic Badhusparken, which served as a social hub during the 19th-century spa era, to the expansive Tullarns äng nature reserve on the eastern shore. The list includes coastal access at Algrundet’s sandy beach and elevated viewpoints in Engelska parken, alongside central gardens like Miramarparken that host local community events.

7 places

Mariehamn — Map

Climate & when to visit

Best time to visit: July

Select a month

Typical weather in January

Poor

1° (feels like -7°) · extremes -8°–5°
-2° at night
13 rainy days
0 sunny days
1 hour of sunshine per day
Dry air
Light breeze
2°C · too cold to swim
UV index 0 · low
6 hours of daylight

Typical weather in February

Poor

0° (feels like -7°) · extremes -11°–5°
-3° at night
10 rainy days
2 sunny days
2 hours of sunshine per day
Dry air
Light breeze
1°C · too cold to swim
UV index 0 · low
9 hours of daylight

Typical weather in March

Poor

2° (feels like -5°) · extremes -8°–6°
-1° at night
8 rainy days
10 sunny days
5 hours of sunshine per day
Dry air
Light breeze
1°C · too cold to swim
UV index 1 · low
11 hours of daylight

Typical weather in April

Poor

5° (feels like -1°) · extremes -2°–9°
2° at night
8 rainy days
13 sunny days
8 hours of sunshine per day
Dry air
Light breeze
3°C · too cold to swim
UV index 2 · low
14 hours of daylight

Typical weather in May

Fair

10° (feels like 5°) · extremes 2°–14°
6° at night
7 rainy days
14 sunny days
10 hours of sunshine per day
Dry air
Light breeze
6°C · too cold to swim
UV index 3 · moderate
17 hours of daylight

Typical weather in June

Good

15° (feels like 11°) · extremes 8°–19°
11° at night
8 rainy days
13 sunny days
11 hours of sunshine per day
Dry air
Light breeze
12°C · too cold to swim
UV index 4 · moderate
19 hours of daylight

Typical weather in July

Great

19° (feels like 16°) · extremes 12°–23°
15° at night
9 rainy days
11 sunny days
10 hours of sunshine per day
Comfortable humidity
Light breeze
17°C · too cold to swim
UV index 4 · moderate
18 hours of daylight

Typical weather in August

Good

18° (feels like 15°) · extremes 12°–22°
16° at night
12 rainy days
9 sunny days
8 hours of sunshine per day
Comfortable humidity
Light breeze
17°C · too cold to swim
UV index 3 · moderate
15 hours of daylight

Typical weather in September

Fair

15° (feels like 10°) · extremes 8°–18°
12° at night
10 rainy days
6 sunny days
5 hours of sunshine per day
Dry air
Light breeze
14°C · too cold to swim
UV index 2 · low
13 hours of daylight

Typical weather in October

Poor

9° (feels like 3°) · extremes 3°–13°
7° at night
14 rainy days
3 sunny days
3 hours of sunshine per day
Dry air
Light breeze
10°C · too cold to swim
UV index 1 · low
10 hours of daylight

Typical weather in November

Poor

6° (feels like -1°) · extremes -2°–10°
3° at night
15 rainy days
0 sunny days
1 hour of sunshine per day
Dry air
Light breeze
7°C · too cold to swim
UV index 0 · low
7 hours of daylight

Typical weather in December

Poor

3° (feels like -5°) · extremes -5°–7°
0° at night
16 rainy days
0 sunny days
1 hour of sunshine per day
Dry air
Light breeze
4°C · too cold to swim
UV index 0 · low
6 hours of daylight

Climate data: NASA POWER + Copernicus ERA5-Land and ERA5 · 1996–2025

Practical information

Currency: Euro EUR · Card payments · Widely accepted
Emergency numbers: 112
Electricity: Type C / Type F
230 V · 50 Hz

Languages: Finnish, Swedish
Tap water: Safe to drink
Driving side: Right
Calling code: +358

Learn more

Tours & Activities

Related destinations

Åland

Mariehamn

Featured Lists

Mariehamn Essentials

Maritime Heritage

Parks & Nature

Mariehamn — Map

Climate & when to visit

Typical weather in January

Typical weather in February

Typical weather in March

Typical weather in April

Typical weather in May

Typical weather in June

Typical weather in July

Typical weather in August

Typical weather in September

Typical weather in October

Typical weather in November

Typical weather in December

Practical information

Tours & Activities

Mariehamn – Plan Your Days

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