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.

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Alnön at a Glance#

Address: Alnön Island, Sundsvall Municipality, Västernorrland County, Sweden

About Alnön#

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.

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).

Air Quality: AQI 18 Good
Best Time to Visit
JuneJulyAugust
Temperature & Rainfall
Temperature Range
30°
Warmest Month
-28°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Poor -10° - -3° -12° 47 mm overcast 98% 3.8 m/s 0.0 low 5.8h
February Poor -10° - -2° -11° 32 mm overcast 98% 3.6 m/s 0.0 low 8.5h
March Poor -6° - 2° -7° 38 mm partly cloudy 94% 3.7 m/s 0.2 low 11.6h
April Acceptable -2° - 6° -2° 40 mm partly cloudy 84% 3.7 m/s 0.5 moderate 14.6h
May Acceptable 3° - 13° 5° 36 mm overcast 80% 3.8 m/s 0.9 moderate 17.5h
June Very Good 8° - 18° 13° 52 mm partly cloudy 78% 3.8 m/s 1.2 high 19.3h
July Very Good 11° - 20° 15° 70 mm partly cloudy 81% 3.6 m/s 1.1 high 18.4h
August Good 9° - 18° 14° 73 mm partly cloudy 85% 3.6 m/s 0.8 moderate 15.7h
September Acceptable 5° - 13° 7° 66 mm overcast 88% 3.7 m/s 0.4 low 12.7h
October Poor 1° - 8° 1° 66 mm overcast 92% 3.8 m/s 0.1 low 9.7h
November Poor -4° - 2° -6° 70 mm overcast 96% 3.9 m/s 0.0 low 6.7h
December Poor -9° - -2° -10° 50 mm overcast 97% 3.8 m/s 0.0 low 4.7h