Arholma

Island Small island in Karlskrona archipelago, Sweden

An island in the Stockholm archipelago popular with boaters and summer visitors for granite shores, sheltered bays, a lighthouse and simple walking trails.

Main image

Arholma is an inhabited island in the northern Stockholm archipelago in Stockholm County, Sweden, and part of the coastal Roslagen area. It is known locally as a small island community with maritime and coastal character.

The island offers rocky shorelines, a small harbour and a prominent lighthouse and shoreline outcrops that visitors commonly photograph. There are short walking paths, sheltered bays for swimming and mooring space for visiting boats; the scale is that of a small archipelago island rather than a developed resort.

Historically the island has been used for fishing, navigation and coastal pilotage and later developed summer housing and local services for islanders. Over time many properties have become seasonal homes while a small permanent community remains.

Geographically it sits in the northern part of the Stockholm archipelago, in Norrtälje municipality, roughly 80 km northeast of central Stockholm by straight-line distance. The island is surrounded by typical archipelago skerries and channels.

  • Access: Accessible only by boat; regular seasonal archipelago ferry services and private boats connect the island with the mainland.
  • Wildlife and views: Good for seabird watching and coastal walks along exposed granite shores; shoreline paths and low cliffs give wide views of the northern Stockholm archipelago.

What to See #

  • Harbour / village: Small harbour and a compact village cluster with summer homes, a marina and quay facilities that serve local boat traffic and visiting yachts.
  • Lighthouse and shoreline: Prominent lighthouse and shoreline outcrops that are the island's most visible landmarks and common photo subjects.
Arholma
59.8500, 19.1167

How to Get to Arholma #

Ferries leave from the Karlskrona area; schedules vary seasonally. From Karlskrona, follow regional boat timetables and private charter options to reach Arholma.

Tips for Visiting Arholma #

  • Ferry connections can be seasonal-check schedules in advance.
  • Bring binoculars for birdwatching; the island's shorelines attract migratory species.

Best Time to Visit Arholma #

Summer months offer the best access and milder weather for walking and boating.

Summer
June-August · 15-22°C
The most comfortable time for island walks and boat services.
Late spring/early autumn
May, September · 10-18°C
Quieter and with pleasant light for photography.

Weather & Climate near Arholma #

Climate

Arholma's climate is classified as Warm-Summer Continental - Warm-Summer Continental climate with mild summers (peaking in July) and freezing winters (coldest in February). Temperatures range from -6°C to 20°C. Moderate rainfall (575 mm/year).

Best Time to Visit
JuneJulyAugust
Temperature & Rainfall
Temperature Range
27°
Warmest Month
-16°
Coldest Month
Monthly Conditions

January

January is freezing with highs of 0°C and lows of -4°C. Moderate rainfall (42 mm), mostly overcast skies, and breezy conditions.

35 Poor

Comfort

-2°
Feels Like Freezing
-2°C
Temperature
-4°
89%
Humidity
Very Humid

Weather

42 mm
Rainfall
7.3 m/s
Wind
Breezy
0.0
UV Index
Low
6.7h daylight

February

February is the coldest month with highs of 0°C and lows of -6°C. The driest month with just 28 mm, mostly overcast skies, and breezy conditions.

37 Poor

Comfort

-3°
Feels Like Freezing
-3°C
Temperature
-6°
90%
Humidity
Very Humid

Weather

28 mm
Rainfall
6.6 m/s
Wind
Breezy
0.1
UV Index
Low
9.0h daylight

March

March is freezing with highs of 2°C and lows of -3°C. Moderate rainfall (32 mm), mostly overcast skies, and breezy conditions.

38 Poor

Comfort

Feels Like Freezing
C
Temperature
-3°
87%
Humidity
Very Humid

Weather

32 mm
Rainfall
6.1 m/s
Wind
Breezy
0.2
UV Index
Low
11.6h daylight

April

April is cold with highs of 6°C and lows of 0°C. Moderate rainfall (36 mm) and partly cloudy skies.

52 Acceptable

Comfort

Feels Like Cold
C
Temperature
85%
Humidity
Very Humid

Weather

36 mm
Rainfall
5.6 m/s
Wind
Light Breeze
0.6
UV Index
Moderate
14.3h daylight

May

May is cold with highs of 12°C and lows of 4°C. Light rainfall and partly cloudy skies.

64 Good

Comfort

Feels Like Cold
C
Temperature
12°
83%
Humidity
Very Humid

Weather

29 mm
Rainfall
5.2 m/s
Wind
Light Breeze
1.0
UV Index
High
16.8h daylight

June

June is cool with highs of 17°C and lows of 9°C. Moderate rainfall (43 mm) and partly cloudy skies.

72 Very Good

Comfort

13°
Feels Like Cool
13°C
Temperature
17°
80%
Humidity
Very Humid

Weather

43 mm
Rainfall
5.2 m/s
Wind
Light Breeze
1.3
UV Index
High
18.2h daylight

July

July is cool with highs of 20°C and lows of 12°C. The wettest month with 68 mm of rain and partly cloudy skies.

70 Very Good

Comfort

16°
Feels Like Cool
16°C
Temperature
12° 20°
80%
Humidity
Very Humid

Weather

68 mm
Rainfall
5.0 m/s
Wind
Light Breeze
1.3
UV Index
High
17.5h daylight

August

August is cool with highs of 19°C and lows of 12°C. Moderate rainfall (62 mm) and partly cloudy skies.

70 Very Good

Comfort

15°
Feels Like Cool
15°C
Temperature
12° 19°
80%
Humidity
Very Humid

Weather

62 mm
Rainfall
5.2 m/s
Wind
Light Breeze
0.9
UV Index
Moderate
15.3h daylight

September

September is cool with highs of 14°C and lows of 8°C. Moderate rainfall (59 mm), mostly overcast skies, and breezy conditions.

56 Acceptable

Comfort

11°
Feels Like Cool
11°C
Temperature
14°
83%
Humidity
Very Humid

Weather

59 mm
Rainfall
6.1 m/s
Wind
Breezy
0.5
UV Index
Low
12.6h daylight

October

October is cold with highs of 9°C and lows of 5°C. Moderate rainfall (60 mm), mostly overcast skies, and breezy conditions.

52 Acceptable

Comfort

Feels Like Cold
C
Temperature
86%
Humidity
Very Humid

Weather

60 mm
Rainfall
6.6 m/s
Wind
Breezy
0.1
UV Index
Low
10.0h daylight

November

November is cold with highs of 5°C and lows of 1°C. Moderate rainfall (64 mm), mostly overcast skies, and breezy conditions.

40 Poor

Comfort

Feels Like Cold
C
Temperature
89%
Humidity
Very Humid

Weather

64 mm
Rainfall
7.1 m/s
Wind
Breezy
0.0
UV Index
Low
7.4h daylight

December

December is freezing with highs of 2°C and lows of -3°C. Moderate rainfall (52 mm), mostly overcast skies, and breezy conditions.

34 Poor

Comfort

-1°
Feels Like Freezing
-1°C
Temperature
-3°
89%
Humidity
Very Humid

Weather

52 mm
Rainfall
7.3 m/s
Wind
Breezy
0.0
UV Index
Low
5.9h daylight

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