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Sønderborg, Denmark
South Denmark · Denmark
Sønderborg is a small city in South Denmark, Denmark with a population of 27,766. Elevation: 49 ft (15 m). Average temperature: 47°F (8°C).
Data updated June 2026
Discover Sønderborg, Denmark
Explore over 40 sections covering people, economy, housing, health, crime, climate, community, costs, trends, schools, colleges, hospitals, treatment centers, industries, museums, libraries, breweries, farmers markets, grocery stores, pharmacies, campgrounds, parks, trails, stadiums, ski resorts, daycare centers, nursing homes, churches, fire stations, cell towers, bridges, power plants, EV stations, prisons, radio stations, airports, police stations, post offices, Amtrak stations, superfund sites, UNESCO sites, and more.
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About Sønderborg
Sønderborg is a Danish town in the Region of Southern Denmark. It is the main town and the administrative seat of Sønderborg Municipality (Kommune). The town has a population of 28,333, in a municipality of 74,096. In recent times, Sønderborg is a center for trade, tourism, industry, and education in the region of Southern Denmark. The town is the headquarters for several industrial companies. Sønderborg joined the UNESCO Global Network of Learning Cities in 2016.
People
Climate
| Population | 27,766 |
| Population Density | 5,371 / sq mi |
| Elevation | 49 ft (15 m) |
| Coordinates | 54.9090°, 9.7892° |
| Timezone | Europe/Copenhagen |
| Country | 🇩🇰 Denmark |
| State / Province | South Denmark |
| Average Temperature | 47°F (8°C) |
| January Average | 34°F (1°C) |
| July Average | 61°F (16°C) |
| Annual Precipitation | 31.3 inches (794 mm) |
| Annual Snowfall | 4.6 inches (12 cm) |
About Sønderborg
Sønderborg is a small city in Denmark (South Denmark) with a population of 27,766. The city sits at an elevation of 49 feet (15 meters) above sea level. The average annual temperature is 47°F (8°C). Temperatures range from 34°F in January to 61°F in July. Annual precipitation averages 31.3 inches. The timezone is Europe/Copenhagen.
Climate in Sønderborg
Sønderborg has an average annual temperature of 9°C (48°F). The hottest month is Jul (17.2°C), the coldest is Jan (1.5°C). Average annual precipitation is 807 mm.
Temperature
| Annual Average | 47.1°F |
| 13% below Denmark avg | |
| January Average | 34°F (1°C) |
| July Average | 61°F (16°C) |
| Sunny Days | 279 days/yr |
Geography
| Elevation | 49 ft (15 m) |
| Area | 5.2 sq mi (13.4 km²) |
| Population Density | 5,371/sq mi |
| Coordinates | 54.9090°N, 9.7892°W |
| Timezone | Europe/Copenhagen |
Precipitation & Snow
Air Quality
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 34°F (1°C) | 2.6 in | |
| February | 34°F (1°C) | 1.9 in | Coldest |
| March | 38°F (3°C) | 2.5 in | |
| April | 43°F (6°C) | 1.7 in | Driest |
| May | 52°F (11°C) | 2.0 in | |
| June | 58°F (14°C) | 2.6 in | |
| July | 61°F (16°C) | 3.0 in | |
| August | 62°F (16°C) | 3.2 in | Warmest, Wettest |
| September | 56°F (13°C) | 2.9 in | |
| October | 49°F (10°C) | 3.1 in | |
| November | 42°F (5°C) | 2.9 in | |
| December | 37°F (3°C) | 2.8 in |
Sønderborg has a seasonal temperature swing of 28°F / from 34°F in February to 62°F in August. Total annual precipitation is 31.3 inches, with August being the wettest month (3.2") and April the driest (1.7").
Colleges & Universities in Sønderborg
| Institution | Type | Founded | Website |
|---|---|---|---|
| Business College Syd, Mommark | College | - | , |
| Mommark Handelskostskole, Kursus- og Kompetencecenter | College | - | Visit → |
| UC SYD Campus Aabenraa | University | - | Visit → |
Schools in Sønderborg
29 public schools (NCES 2022-23 data).
| School | Level | Enrollment | Teachers | Student/Teacher |
|---|---|---|---|---|
| EUC Syd Skolehjem Kursistafdeling | - | - | - | - |
| Sønderborg Statsskole | - | - | - | - |
| Kløver Skolen | - | - | - | - |
| Sønderborg International School | - | - | - | - |
| Privatskolen Als | - | - | - | - |
| Dybbøl Skolen | - | - | - | - |
| EUC Syd | - | - | - | - |
| Ulkebøl Skole | - | - | - | - |
| Humlehøj Skolen | - | - | - | - |
| Sønderskov-Skolen | - | - | - | - |
| Idrætshøjskolen i Sønderborg | - | - | - | - |
| Frihedshallen | - | - | - | - |
| Sønderborg Friskole | - | - | - | - |
| Alssundgymnasiet Sønderborg | - | - | - | - |
| Ahlmannsskolen | - | - | - | - |
| Egetofte Naturskole | - | - | - | - |
| Center for industriel elektronik | - | - | - | - |
| Sønderjyllands Kunstskole | - | - | - | - |
| 10'eren | - | - | - | - |
| Ungdomsskolen | - | - | - | - |
| Syddansk Universitet | - | - | - | - |
| Erhvervsakademi Sydvest | - | - | - | - |
| University College Syd Sønderborg | - | - | - | - |
| EUC Syd Skolehjem | - | - | - | - |
| Produktionsskolen | - | - | - | - |
| Musikskolen | - | - | - | - |
| Sønderborg International School | - | - | - | - |
| Business College Syd | - | - | - | - |
| Deutsche Privatschule Sonderburg | - | - | - | - |
Radio Stations near Sønderborg
7 stations within ~55 km.
| Station | Genre | Quality | |
|---|---|---|---|
| Skala FM | hits, local radio | MP3 192 kbps | |
| Alfa Gold | - | MP3 | |
| Radio Diablo (AAC) | news, pop | AAC+ 64 kbps | |
| Radio Diablo | - | AAC+ 64 kbps | |
| Det Rigtige Faaborg | - | MP3 160 kbps | |
| Radio Haderslev | - | MP3 192 kbps | |
| Norea Radio | - | MP3 128 kbps |
Museums in Sønderborg
| Name | Type | Address | Phone | Annual Revenue |
|---|---|---|---|---|
| artefact | ||||
| Cathrinesminde Teglværksmuseum | ||||
| Danfoss Museum | ||||
| Deutsches Museum Nordschleswig | ||||
| Dorfmuseum Mohrkirch | ||||
| Dorfmuseum Wippendorf | ||||
| Dybbøl Mølle | ||||
| Elstrup Mølle | ||||
| Gendarmhuset | ||||
| Havnbjerg Mølle | ||||
| Havnbjerg Mølle | ||||
| Historisches Sägewerk | ||||
| History Centre Dybbøl Banke | ||||
| Jørgen Riecks Arkæologiske Samling | ||||
| Kleines Bauernmuseum | ||||
| Landschaftsmuseum Angeln/Unewatt | ||||
| Munkegaard Traktormuseum | ||||
| Munkegård Traktormuseum | ||||
| Obstmuseum Pomarium Anglicum | ||||
| Papirmuseets By | ||||
| Ringridermuseet | ||||
| Satruphuus | ||||
| Schloss Glücksburg | ||||
| Sønderborg Slot | ||||
| Sønderjyllands Radiomuseum | ||||
| Tandslet Transformatormuseum | ||||
| Vagns Saab Museum | ||||
| Vibæk Mølle | ||||
| Waldmuseum Glücksburg |
Libraries in Sønderborg
| Name | Address | Staff | Annual Visits | Circulation | Collection | Programs |
|---|---|---|---|---|---|---|
| Biblioteket Augustenborg | 0.0 | |||||
| Biblioteket Broager | 0.0 | |||||
| Biblioteket Gråsten | 0.0 | |||||
| Biblioteket Hørup | 0.0 | |||||
| Biblioteket Nordborg | 0.0 | |||||
| Biblioteket Vester Sottrup | 0.0 | |||||
| Bücherei Gelting | 0.0 | |||||
| Bücherei Husby | 0.0 | |||||
| Bücherei Satrup | 0.0 | |||||
| Bücherei Sörup | 0.0 | |||||
| Deutsche Bücherei Sonderburg | 0.0 | |||||
| Lokalhistorisk Arkiv Nordborg | 0.0 | |||||
| Sønderborg Bibliotek | 0.0 | |||||
| Stadtarchiv | 0.0 | |||||
| Stadtbücherei Glücksburg | 0.0 | |||||
| Stadtbücherei Kappeln | 0.0 | |||||
| Stadtbücherei Kappeln | 0.0 | |||||
| University Library of Southern Denmark | 0.0 |
Farmers Markets in Sønderborg
| Name | Address | Season | Hours | Organic | Website |
|---|---|---|---|---|---|
| Wochenmarkt Kappeln |
Hotels in Sønderborg
8 hotels within city radius - OpenStreetMap data
Restaurants in Sønderborg
22 restaurants within city radius - OpenStreetMap data
Cafes in Sønderborg
14 cafes within city radius - OpenStreetMap data
Cinemas in Sønderborg
1 cinemas within city radius - OpenStreetMap data
Theatres in Sønderborg
3 theatres within city radius - OpenStreetMap data
Castles in Sønderborg
1 castles within city radius - OpenStreetMap data
Theme Parks in Sønderborg
1 theme parks within city radius - OpenStreetMap data
Clinics in Sønderborg
5 clinics within city radius - OpenStreetMap data
Dentists in Sønderborg
3 dentists within city radius - OpenStreetMap data
Veterinaries in Sønderborg
3 veterinaries within city radius - OpenStreetMap data
Train Stations in Sønderborg
1 train stations within city radius - OpenStreetMap data
Bus Stations in Sønderborg
1 bus stations within city radius - OpenStreetMap data
Gas Stations in Sønderborg
12 gas stations within city radius - OpenStreetMap data
Banks in Sønderborg
8 banks within city radius - OpenStreetMap data
Shopping Malls in Sønderborg
2 shopping malls within city radius - OpenStreetMap data
Gyms in Sønderborg
4 gyms within city radius - OpenStreetMap data
Breweries in Sønderborg
| Name | Type | Address | Phone | Website |
|---|---|---|---|---|
| Mjels Bryghus | ||||
| Weltbrauerei Schörderup |
Stadiums & Teams in Sønderborg
| Team | League | Division |
|---|---|---|
Airports Near Sønderborg
24 airports within the area.
| Airport | IATA | Type |
|---|---|---|
| Odense Hans Christian Andersen Airport | ODE | Large Airport |
| Hohn Air Base | - | Medium Airport |
| Kiel-Holtenau Airport | KEL | Medium Airport |
| Kolding Vamdrup Airfield | - | Medium Airport |
| Schleswig Air Base | WBG | Medium Airport |
| Skrydstrup Air Base | SKS | Medium Airport |
| Sønderborg Airport | SGD | Medium Airport |
| Ærø Airfield | - | Small Airport |
| Bjørnø Airfield | - | Small Airport |
| Bogense Flyveplads | - | Small Airport |
| Drejø Airstrip | - | Small Airport |
| Flensburg-Schäferhaus Airport | FLF | Small Airport |
| Gesten Glider Field | - | Small Airport |
| Haderslev Airfield | - | Small Airport |
| Husum-Schwesing Airport | QHU | Small Airport |
| Kaleko Airstrip | - | Small Airport |
| Kruså-Padborg Airfield | - | Small Airport |
| Nordborg Pøl Airfield | - | Small Airport |
| Offenbüttel Ultralight Airfield | - | Small Airport |
| Rendsburg-Schachtholm Airfield | - | Small Airport |
| Rødekro Airfield | - | Small Airport |
| Schleswig-Kropp Airfield | - | Small Airport |
| Vester Åby Private Airstrip | - | Small Airport |
| Vøjstrup Glider Field | - | Small Airport |
Treatment Centers in Sønderborg
1 treatment centers.
| Center | Type | Phone |
|---|---|---|
| Sundhedscenter Sønderborg |
Churches & Religious Organizations in Sønderborg
8 religious organizations (IRS tax-exempt data).
| Name | Address |
|---|---|
| Adventkirken | |
| Christianskirken | |
| Kingdom Hall of Jehovah's Witnesses | |
| Pinsekirke | |
| Sankt Marie Kirke | |
| Sankt Pauls Kirke | |
| Sønderborg Frikirke | |
| Ulkebøl Kirke |
Explore Near Sønderborg
Quick Facts
🇩🇰 About Denmark
Public Holidays in Denmark
14 public holidays this year
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Get ReportFrequently Asked Questions About Sønderborg
What is the population of Sønderborg?
Sønderborg has a population of 27,766 residents and is located in Denmark. The population density is 5,371 people per square mile, spread across 5.2 square miles.
What is the weather like in Sønderborg?
Sønderborg has a four-season climate with an average annual temperature of 47°F (8°C). Winter temperatures average 34°F in January, while summers reach an average of 61°F in July. The area receives 279 sunny days per year, well above the national average of 205. Annual rainfall totals 31.3 inches, with 4.6 inches of snow.