Best year time to visit Sønderborg

General weather information about Sønderborg

Average annual temperature is 10.1 °C

Absolute maximum temperature: 27.3 °C

Absolute minimum temperature: -7.7 °C

Number of sunny days: 100 days

Number of rainy days: 255 days

Number of snow days: 10 days

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* Weather data for Sønderborg Denmark is based on climate observations for 2026 year

Sønderborg air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)11.510.412.915.921.426.327.323.926.619.712.610.0
Average daytime temperature (°C)6.16.57.710.515.722.120.220.220.713.57.85.3
Average temperature (°C)4.44.04.77.111.617.516.716.917.211.35.83.9
Average night temperature (°C)2.61.51.63.57.412.213.413.913.88.93.52.0
Absolute minimum temperature (°C)-3.2-1.9-3.8-1.82.17.311.211.18.32.1-4.8-7.7

Sønderborg monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)8.010.012.015.016.017.017.015.013.011.09.07.0
Daylight mean duration (h)7.99.711.914.116.117.316.714.912.710.58.47.3
Daylight minimum duration (h)7.08.010.013.015.016.015.013.011.09.07.07.0
Sunshine mean duration (h)3.34.86.210.812.014.012.29.99.03.93.01.8
Precipitation (mm)10138776246191301183613288101
Sunny days51241219182215425
Rainy days261524181212292915272523
Snow days013000000033

Sønderborg - weather forecast by months

Sønderborg weather in januarySønderborg weather in februarySønderborg weather in marchSønderborg weather in aprilSønderborg weather in maySønderborg weather in juneSønderborg weather in julySønderborg weather in augustSønderborg weather in septemberSønderborg weather in octoberSønderborg weather in novemberSønderborg weather in december

Best time to visit Sønderborg:

The best time to visit Sønderborg during the most sunny months:

  • April — 10.8(h)
  • May — 12.0(h)
  • June — 14.0(h)
  • July — 12.2(h)
  • August — 9.9(h)

Months with the longest average daylight duration in Sønderborg:

  • May — 16.1(h)
  • June — 17.3(h)
  • July — 16.7(h)

The largest precipitation sum in Sønderborg is at

  • January — 101(mm)
  • July — 130(mm)
  • August — 118(mm)
  • October — 132(mm)
  • December — 101(mm)

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    Weather forecast in the closest towns to Sønderborg

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    Frequently asked questions

    When is the best time to visit Sønderborg?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Sønderborg.
    What is the weather like in Sønderborg?
    See average temperature, rainfall and daylight hours for Sønderborg by month in the table above.
    How many sunny days does Sønderborg have?
    The monthly weather statistics above show sunshine and rainfall patterns for Sønderborg throughout the year.