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Precipitation and sun in Denmark

Average annual precipitation over land (normal 1961-90) is 712 mm but varies significantly from year to year and from place to place.

The most rainy part of Denmark is central Jutland, which gets over 900 mm of rainfall a year. With approx. 500 mm, Kattegat and the island Bornholm get the least amount of total annual precipitation.

The lowest annual precipitation for the whole country was 464 mm in 1947. The highest was 905 mm in 1999.

Since 1990, the average annual precipitation in Denmark has been approx. 745 mm and has increased by approx. 100 mm since systematic measurements were introduced in 1874.

Annual precipitation in Denmark since 1874. Values are calculated national average based on a number of selected stations. The curve in bold shows 9 years Gaussian Filtered values. Data is published in DMI's technical report series.

Average annual hours of bright sunshine is 1,495 for the entire country, but varies greatly from year to year. In the Kattegat region and on the island Bornholm, sun usually shines between 1,600 and 1,650 hours annually. In central Jutland, approx. 1,350 hours annually.   

Nationwide, 1947 was the year with the highest number of hours (1,878). 1987 was the year with the least hours of bright sunlight (1,287). 

Since 1980, the number of hours of bright sunshine has been increasing.

 

Annual total number of hours of bright sunshine in Denmark since 1920. Values are calculated national average based on a number of selected stations. The curve in bold is 9 years Gaussian Filtered values. In 2002, DMI started using a new, automatic and more precise measuring instrument. For that reason “new” and “old” hours of bright sunshine cannot directly be compared. All values are apart from this adjusted ensuring comparability to the new level. Therefore, numbers on the graph prior to 2002 are not the same as originally published in yearbooks. Data is published in DMI's technical report series.

By John Cappelen and Anne Mette K. Jørgensen (ret.)

For further information contact John Cappelen, jc@dmi.dk

Edited by Niels Hansen, translated by Marianne Brandt, kommunikation@dmi.dk