Denmark is situated in area between the cold north and the warmer subtropical territories on the south. The area is dominated by west wind and low pressure with strong winds and rain- also called west wind belt.
The position of Denmark:
Denmark is situated between the Atlantic Ocean with the warm Golf stream on the west on one side and the European continent on the south and east on the other side. That implies mild weather all year around. The continental districts east and south for Denmark on the contrary are dominated by strong cold in the winter time, strong heat in the summer time and not much precipitation.
The polar borderline decides the weather:
The Danish weather is controlled by the position of the polar borderline. The polar borderline moves north and south depending on the season. Low pressure with wind and precipitation tracks the polar borderline. This kind of weather is usual for Denmark in autumn and winter time. In the spring and summer time the low pressure is untypical because the polar borderline moves north.
The weather is very unstable when the cold polar air and the mild air from the Atlantic are clashing over Denmark.
Once in a while Denmark gets an opportunity to experience continental climate. It happens if the normal low pressure weather can’t remain in Danish territory, caused by the high pressure somewhere near Denmark is blocking. Periods with strong heat or cold are the result of those high pressures. An example can be a high pressure above Denmark that can create a Siberian cold.
Temperature in Denmark:
The coldest month in Denmark is February with an average temperature just below the freezing point. In the summer time, July is the warmest month with an average temperature a bit below 20C. It can be up to 35 C in short periods during summer time, but it happens quite rarely. The highest temperature that ever has been measured in Denmark is 36, 4 C in Holstebro on the 10 of August 1975. The lowest temperature ever measured in Denmark was in Thy, on the night between 7 and 8 January 1982.
Rays of the sun has the strongest power in the middle of the summer at the summer solstice (21 of June) and the weakest at the winter solstice, therefore it would be logical if the coldest and the warmest month would be June and December. It is not the case though. It takes some time to warm up the land and especially the sea, that’s why the seasons are little delayed.
Precipitation in Denmark:
It can rain in Denmark all year around. The spring is the driest time of the year and it rains least in February and April. On the contrary it rains the most in the autumn, especially November can be very wet. Precipitation can fall as showers or longer lasting rain caused by low pressure.
Sønderjylland gets most precipitation. There is also a difference between the land districts and relatively dry districts along with coasts. It is due to: The most showers are formed in the summer time above the land side where the heating of the earth is strongest. Besides, the ridge in Jutland is of importance. Even though it looks small, the air is still lifted so high that it results in more precipitation. It will happen on a wind side, or west side, because the most rains arrive from west.
Sunlight hours in Denmark:
On an average the sun is shining approximately 1800 hours a year, and the difference between different locations in Denmark is not big. The differences follow the same path as precipitation: the coastal areas get most sunshine and least precipitation. The sun is shining most at Christiansø and in the north Jutland. North Jutland often has a weather of its own, dominated by lying in shelter behind the Norwegian mountains. The effect of lying in the shelter is strongest in the Northwest, where the weather often is better in the rest of Denmark
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