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Arnoldius CC BY-SA 4.0 Wikimedia Commons

Hesselø

Island
Hesselø HelsingørHillerødHumlebækFredensborgKronborgFrederiksborg CastleLouisiana Museum of Modern ArtHørsholmHesselø

Hesselø essentials

Country: Denmark
Driest months: Feb-Apr
Pay in: Krone (kr)
Emergency: 114

Hesselø at a Glance

When to Go

Best Time to Visit Hesselø

Summer is the most feasible season for visiting small Danish islands; landing often requires permits and good weather.

Summer
Jun-Aug · 12-20°C (54-68°F)
Best for boat landings and seabird observation when weather is milder.

Weather & Climate near Hesselø

Climate

Continental climate with mild summers (peaking in August) and cold winters (coldest in February). Temperatures range from -2°C to 20°C. Moderate rainfall (562 mm/year).

Air Quality: AQI 30 Good
Best Time to Visit
JuneJulyAugust
Temperature & Rainfall
Temperature Range
28°
Warmest Month
-9°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Poor -1° - 2° -5° 42 mm overcast 91% 6.7 m/s 0.0 low 7.4h
February Poor -2° - 2° -6° 28 mm overcast 90% 6.3 m/s 0.1 low 9.3h
March Poor 1° - 4° -3° 31 mm overcast 88% 6.1 m/s 0.3 low 11.7h
April Good 4° - 9° 3° 34 mm partly cloudy 83% 5.3 m/s 0.7 moderate 14.0h
May Good 8° - 15° 11° 41 mm partly cloudy 81% 5.0 m/s 1.1 high 16.2h
June Very Good 11° - 18° 15° 48 mm partly cloudy 80% 5.1 m/s 1.4 high 17.3h
July Very Good 14° - 20° 17° 64 mm partly cloudy 80% 5.0 m/s 1.3 high 16.8h
August Very Good 14° - 20° 17° 63 mm partly cloudy 81% 5.1 m/s 1.0 moderate 14.9h
September Very Good 11° - 16° 13° 56 mm partly cloudy 83% 5.9 m/s 0.6 moderate 12.6h
October Acceptable 7° - 12° 7° 53 mm overcast 87% 6.2 m/s 0.2 low 10.2h
November Poor 3° - 7° 1° 53 mm overcast 90% 6.8 m/s 0.0 low 8.0h
December Poor 0° - 4° -3° 49 mm overcast 91% 6.6 m/s 0.0 low 6.7h
Getting There & Around

How to Get to Hesselø

Access by private boat from mainland Jutland harbours; landing is weather dependent and may require permission from local authorities.

Tips for Visiting Hesselø

  • Hesselø is small and largely uninhabited-landing requires permission from Danish authorities and is generally only for research or private arrangements.
  • Observe seabird colonies from a respectful distance and follow Danish nature protection regulations.
  • Check with Danish maritime authorities for safe passage and landing permissions.