Asmaløy

Island

Asmaløy on Norway's southeast coast features small harbours, limestone shorelines and summer beaches; people come for boating, seabird watching and short coastal walks.

Asmaløy OsloDrammenRjukanLillestrømDrøbakLangesundOslo Opera HouseHeddal stavkyrkjeAsmaløy

Asmaløy essentials

Country: Norway
Driest months: Feb-Apr
Pay in: Krone (kr)
Language: Norwegian
Emergency: 112

Asmaløy at a Glance

Things to Do
When to Go

Best Time to Visit Asmaløy

Best in summer for comfortable sailing and long daylight; shoulder seasons offer quieter visits.

Summer
June-August · 14-20°C (57-68°F)
Warmest, longest days - best for coastal walks and kayaking.
Late spring/early autumn
May, September · 8-15°C (46-59°F)
Fewer visitors and lively bird activity.

Weather & Climate near Asmaløy

Climate

Continental climate with mild summers (peaking in July) and freezing winters (coldest in February). Temperatures range from -4°C to 21°C. Moderate rainfall (739 mm/year).

Air Quality: AQI 23 Good
Best Time to Visit
JuneJulyAugust
Temperature & Rainfall
Temperature Range
30°
Warmest Month
-20°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Poor -4° - 1° -7° 60 mm overcast 95% 6.0 m/s 0.0 low 6.7h
February Poor -4° - 1° -8° 41 mm overcast 94% 5.9 m/s 0.1 low 9.0h
March Poor -1° - 4° -3° 54 mm overcast 88% 5.4 m/s 0.3 low 11.6h
April Good 2° - 9° 2° 44 mm partly cloudy 82% 4.9 m/s 0.6 moderate 14.3h
May Good 7° - 15° 11° 44 mm partly cloudy 79% 4.8 m/s 1.0 high 16.8h
June Good 11° - 19° 15° 60 mm partly cloudy 79% 4.8 m/s 1.4 high 18.2h
July Good 13° - 21° 17° 55 mm overcast 81% 4.6 m/s 1.3 high 17.5h
August Good 13° - 20° 16° 67 mm overcast 83% 4.7 m/s 0.9 moderate 15.3h
September Good 9° - 15° 12° 79 mm overcast 86% 5.5 m/s 0.5 low 12.6h
October Acceptable 6° - 11° 5° 88 mm overcast 90% 5.7 m/s 0.1 low 10.0h
November Poor 1° - 6° -1° 82 mm overcast 93% 6.0 m/s 0.0 low 7.4h
December Poor -2° - 3° -5° 65 mm overcast 95% 5.8 m/s 0.0 low 5.9h
Getting There & Around

How to Get to Asmaløy

Reachable by local ferry routes from the Østfold mainland or by private boat. Driving to the nearest ferry terminal on the mainland and taking a short crossing is the usual route.

Tips for Visiting Asmaløy

  • The island can be accessed by the short seasonal ferry from the mainland; confirm schedules with local authorities in Østfold
  • Search for old stone walls and field terraces near the island's interior - they hint at past small-scale farming
  • Avoid peak midsummer weekends if seeking solitude; local day-trippers arrive early