Due to its northerly location, Denmark has great variations in daylight hours. Even though the days are mild in summer, more than 17 hours of sunlight a day is typical. The sun can arrive as early as 4:30 a.m. and set as late as 10:00 p.m allowing ample time to get your fill of sightseeing.

Rain in Denmark comes on a regular basis year-round, and there are no truly dry periods, although September through November brings the wettest season. The annual rainfall in Denmark averages 24 inches of precipitation with Copenhagen having an average of 170 rainy days.

Climate. Denmark has a temperate climate, characterised by mild winters, with mean temperatures in January of 1.5 °C (34.7 °F), and cool summers, with a mean temperature in August of 17.2 °C (63.0 °F). Because of Denmark’s northern location, there are large seasonal variations in daylight.

The longest day of the year is 17:15 long and the shortest day is 6:44 long. The longest day is 10:30 longer than the shortest day. There is an average of 1603 hours of sunlight per year (of a possible 4383) with an average of 4:23 of sunlight per day.

The Copenhagen weather in December is very cold and with snow showers, so wrap up warm for your winter break to Denmark. December to February’s when most snow falls around Copenhagen, with between 20mm to 50mm of wintery showers expected. The city’s surrounded by the Oresund Strait and has the Baltic Sea to the south.

Summer (June to August) is the best season to visit as the weather is pleasant with long daylight – about 17 hours of daylight per day in June and July – thanks to its northerly latitude. In July, the average high in Copenhagen is 21°C (70°F) but temperatures are lower for cities in the north bordering the North Sea.