Siø Island

Small Danish island in South Denmark

A small island in South Denmark, Siø connects to neighboring isles by causeways. Travelers pass through for coastal roads, fishing harbors and access to the archipelago's beaches and cycling routes.

Siø at a Glance#

Address: Siø, South Denmark Region, Denmark

About Siø#

Siø is a small island in the Region of Southern Denmark (South Denmark), located within the South Funen archipelago. It is one of many low-lying islands in this coastal archipelago.

The island is primarily rural and marine in character, with shoreline, farmland and local road links to nearby islands. It is visited mainly for local coastal scenery and as part of island-to-island travel in the archipelago.

Siø shares the general maritime and agrarian history of the South Funen islands; small islands in the area have long been used for fishing, farming and as waypoints on local boat routes. Specific historical structures or events on Siø are limited compared with larger neighbouring islands.

Siø sits in the South Funen archipelago of southern Denmark, within the administrative region of Southern Denmark, and is accessed via local roads and bridges from nearby islands and the Danish mainland.

  • Archipelago location: Part of the South Funen archipelago in the Region of Southern Denmark and connected by local roads and bridges to neighbouring islands.

How to Get to Siø#

Siø is served by local ferries and causeways linking to larger Funen routes; approach from Svendborg and nearby ports. Check local ferry timetables for seasonal variations.

Tips for Visiting Siø#

  • Ferry connections vary-check schedules from Fynshav, Ærø or surrounding islands seasonally.
  • Cycle routes across the island are popular; consider bringing or renting a bike for relaxed exploration.
  • Watch for tidal changes if exploring the coast-mudflats can be extensive in places.

Best Time to Visit Siø#

Summer is best for transport and outdoor activities; shoulder seasons are quieter.

Summer
June-August · 17-22°C (63-72°F)
Warmest weather and regular ferry services; best for cycling and swimming.
Spring-autumn
April-May, September · 10-16°C (50-61°F)
Quieter and pleasant for coastal walks.

Weather & Climate near Siø#

Climate

Continental climate with mild summers (peaking in August) and cold winters (coldest in February). Temperatures range from -1°C to 20°C. Moderate rainfall (563 mm/year).

Air Quality: AQI 39 Good
Best Time to Visit
JulyAugustJune
Temperature & Rainfall
Temperature Range
29°
Warmest Month
-9°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Poor -1° - 3° -4° 44 mm overcast 92% 6.8 m/s 0.0 low 7.7h
February Poor -1° - 3° -4° 31 mm overcast 90% 6.3 m/s 0.1 low 9.5h
March Poor 1° - 5° -2° 35 mm overcast 88% 6.1 m/s 0.3 low 11.7h
April Good 3° - 10° 3° 34 mm partly cloudy 84% 5.3 m/s 0.7 moderate 13.9h
May Good 8° - 15° 11° 41 mm partly cloudy 81% 5.1 m/s 1.1 high 15.8h
June Very Good 11° - 18° 15° 49 mm partly cloudy 80% 5.2 m/s 1.3 high 16.9h
July Very Good 13° - 20° 17° 57 mm partly cloudy 80% 5.1 m/s 1.3 high 16.4h
August Very Good 14° - 21° 17° 53 mm partly cloudy 81% 5.1 m/s 1.0 moderate 14.7h
September Very Good 11° - 17° 14° 54 mm partly cloudy 83% 5.6 m/s 0.6 moderate 12.5h
October Acceptable 8° - 12° 7° 55 mm overcast 87% 6.1 m/s 0.2 low 10.3h
November Poor 4° - 8° 2° 63 mm overcast 91% 6.5 m/s 0.1 low 8.3h
December Poor 1° - 5° -2° 47 mm overcast 93% 6.6 m/s 0.0 low 7.1h