Alnön

Island Swedish island near Sundsvall with sandy beaches

Off Sundsvall, Alnön offers sandy beaches, summer cottages and coastal tracks; visitors come for cycling, local seafood and views across the Bothnian Sea.

Main image

Alnön is an island off the coast of Sundsvall in Västernorrland County, Sweden. It is a populated island with residential areas, holiday homes and shoreline access.

The island features coastal landscapes, small harbors and local services oriented to residents and seasonal visitors rather than large-scale tourism. Local roads link settlements and shoreline access points for swimming and boating.

Historically the island has supported fishing, small-scale industry and tourism; today it functions primarily as a residential and recreational area on the Gulf of Bothnia.

Alnön sits immediately east of the city of Sundsvall in northern Sweden and is connected to the mainland by bridge, making it a short drive from the city centre.

  • Accessibility: Connected to the mainland by a bridge, making it easily accessible by road from nearby Sundsvall and the surrounding coast.
Alnön
Alnön Island, Sundsvall Municipality, Västernorrland County, Sweden
62.4106, 17.4694

How to Get to Alnön #

Alnön is connected to the mainland by bridge or ferry services depending on exact landing points. Drive from Sundsvall (about 10-20 minutes) or use local ferries; regional bus services connect Sundsvall to the island’s ferryheads.

Tips for Visiting Alnön #

  • Ferries connect Alnön to the mainland; check schedules as frequency varies by season.
  • Rent a bike to explore the island's coastal roads and beaches.

Best Time to Visit Alnön #

Summer is the best season for visiting Alnön when services run and the weather is mild.

Summer
June-August · 12-22°C
Pleasant weather for swimming, cycling, and coastal walks.
Late Spring/Early Autumn
May, September · 6-15°C
Cooler but quieter; good for nature watching.

Weather & Climate near Alnön #

Climate

Alnön's climate is classified as Warm-Summer Continental - Warm-Summer Continental climate with mild summers (peaking in July) and freezing winters (coldest in January). Temperatures range from -10°C to 20°C. Moderate rainfall (640 mm/year).

Best Time to Visit
JuneJulyAugust
Temperature & Rainfall
Temperature Range
30°
Warmest Month
-28°
Coldest Month
Monthly Conditions

January

January is the coldest month with highs of -3°C and lows of -10°C. Moderate rainfall (47 mm) and mostly overcast skies.

37 Poor

Comfort

-6°
Feels Like Freezing
-6°C
Temperature
-10° -3°
98%
Humidity
Very Humid

Weather

47 mm
Rainfall
3.8 m/s
Wind
Light Breeze
0.0
UV Index
Low
5.8h daylight

February

February is freezing with highs of -2°C and lows of -10°C. Moderate rainfall (32 mm) and mostly overcast skies.

39 Poor

Comfort

-6°
Feels Like Freezing
-6°C
Temperature
-10° -2°
98%
Humidity
Very Humid

Weather

32 mm
Rainfall
3.6 m/s
Wind
Light Breeze
0.0
UV Index
Low
8.5h daylight

March

March is freezing with highs of 2°C and lows of -6°C. Moderate rainfall (38 mm) and partly cloudy skies.

43 Poor

Comfort

-2°
Feels Like Freezing
-2°C
Temperature
-6°
94%
Humidity
Very Humid

Weather

38 mm
Rainfall
3.7 m/s
Wind
Light Breeze
0.2
UV Index
Low
11.6h daylight

April

April is cold with highs of 6°C and lows of -2°C. Moderate rainfall (40 mm) and partly cloudy skies.

52 Acceptable

Comfort

Feels Like Cold
C
Temperature
-2°
84%
Humidity
Very Humid

Weather

40 mm
Rainfall
3.7 m/s
Wind
Light Breeze
0.5
UV Index
Moderate
14.6h daylight

May

May is cold with highs of 13°C and lows of 2°C. Moderate rainfall (36 mm) and mostly overcast skies.

58 Acceptable

Comfort

Feels Like Cold
C
Temperature
13°
80%
Humidity
Very Humid

Weather

36 mm
Rainfall
3.8 m/s
Wind
Light Breeze
0.9
UV Index
Moderate
17.5h daylight

June

June is cool with highs of 18°C and lows of 8°C. Moderate rainfall (52 mm) and partly cloudy skies.

70 Very Good

Comfort

13°
Feels Like Cool
13°C
Temperature
18°
78%
Humidity
Very Humid

Weather

52 mm
Rainfall
3.8 m/s
Wind
Light Breeze
1.2
UV Index
High
19.3h daylight

July

July is cool with highs of 20°C and lows of 11°C. Moderate rainfall (70 mm) and partly cloudy skies.

70 Very Good

Comfort

15°
Feels Like Cool
15°C
Temperature
11° 20°
81%
Humidity
Very Humid

Weather

70 mm
Rainfall
3.6 m/s
Wind
Light Breeze
1.1
UV Index
High
18.4h daylight

August

August is cool with highs of 18°C and lows of 9°C. The wettest month with 73 mm of rain and partly cloudy skies.

68 Good

Comfort

14°
Feels Like Cool
14°C
Temperature
18°
85%
Humidity
Very Humid

Weather

73 mm
Rainfall
3.6 m/s
Wind
Light Breeze
0.8
UV Index
Moderate
15.7h daylight

September

September is cold with highs of 13°C and lows of 5°C. Moderate rainfall (66 mm) and mostly overcast skies.

54 Acceptable

Comfort

Feels Like Cold
C
Temperature
13°
88%
Humidity
Very Humid

Weather

66 mm
Rainfall
3.7 m/s
Wind
Light Breeze
0.4
UV Index
Low
12.7h daylight

October

October is cold with highs of 8°C and lows of 1°C. Moderate rainfall (66 mm) and mostly overcast skies.

44 Poor

Comfort

Feels Like Cold
C
Temperature
92%
Humidity
Very Humid

Weather

66 mm
Rainfall
3.8 m/s
Wind
Light Breeze
0.1
UV Index
Low
9.7h daylight

November

November is freezing with highs of 2°C and lows of -4°C. Moderate rainfall (70 mm) and mostly overcast skies.

35 Poor

Comfort

-1°
Feels Like Freezing
-1°C
Temperature
-4°
96%
Humidity
Very Humid

Weather

70 mm
Rainfall
3.9 m/s
Wind
Light Breeze
0.0
UV Index
Low
6.7h daylight

December

December is freezing with highs of -2°C and lows of -8°C. Moderate rainfall (50 mm) and mostly overcast skies.

37 Poor

Comfort

-5°
Feels Like Freezing
-5°C
Temperature
-9° -2°
97%
Humidity
Very Humid

Weather

50 mm
Rainfall
3.8 m/s
Wind
Light Breeze
0.0
UV Index
Low
4.7h daylight

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