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Why does Denmark have four seasons?

Tilt, not distance, makes summer and winter.

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Short answer

Denmark has seasons because the Earth's axis is tilted, so the northern half of the planet leans towards the Sun for part of the year and away from it for the rest. In June the Sun's rays hit Denmark more directly, which gives summer, and in December they hit at a lower angle, which gives winter. Distance to the Sun is not the cause: the Earth is closest to the Sun in January, in the middle of the northern winter. The Gulf Stream makes Danish seasons milder than in the rest of Scandinavia.

Weather and seasons

Why

  1. The tilted axis changes how directly the Sun shines on Denmark.
  2. Summer in the north is winter in the south at the same time.
  3. The sea and the Gulf Stream soften the contrast.

Details

Because the ground and the sea cool down over winter, Danish spring nights stay cold even when the Sun is already strong.

Tip

If you travel to Australia or South America from Denmark in December, pack for summer, since the seasons are reversed there.

What may differ

The way seasons are counted differs: weather statistics use whole months, astronomy uses equinoxes and solstices.

Common misconception

We have summer because the Earth is closer to the Sun.

What actually happens

The Earth is closest to the Sun in January; the seasons come from the tilt of the Earth's axis.

People also ask

  • Why is it colder in winter?
  • Why is Denmark milder than Norway and Sweden?
  • When is the spring equinox in Denmark?

Sources

This answer is for reference only. Weather varies a lot from year to year, so check the DMI forecast before you travel.

Weather and seasons
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