May to June and September. Month by month below, with the weather, what's on and what it costs to fly there from your city.
Sources split between late spring, early summer and early autumn. May is called the best single month by one, with September and mid-June also favored for fewer crowds.
4 of the 7 travel guides we read name these months.
Average high and low in Copenhagen, and days with rain
JanuaryChecking fares…Winter is dark and bitterly cold, often below zero, with canals freezing over.Winter temperatures run from -1°C to 5°C.
FebruaryChecking fares…February is the coldest month, averaging 2 degrees Celsius.Tivoli is open during the February half term.
MarchChecking fares…Early March brings a mix of rain, occasional snow and chilly weather.Tivoli Gardens re-opens towards the end of March.Crowds are low in March and build by mid-May.
AprilChecking fares…One source has Tivoli Gardens reopening in April.The Copenhagen Sakura Festival, a free celebration of Japanese culture, takes place in April.Cherry blossoms typically peak in mid-to-late April near Kastellet.
Best timeMayChecking fares…May is called probably the best single time to visit.Late May daytime temperatures reach 15°C to 20°C.The Copenhagen Marathon is usually in May and closes many streets.Copenhagen Carnival
Best timeJuneChecking fares…Sankt Hans Aften on June 23 is a summer event, and hotel rates climb in the last two weeks of June.Summer is high season, with higher prices and more visitors.
JulyChecking fares…Danes take three to four weeks of holiday from mid-July to mid-August and many businesses close.July and August are the rainiest months, in short heavy bursts.The Copenhagen Jazz Festival takes place in July.
AugustChecking fares…August highs are around 22°C with about 15 hours of daylight.August averages about 8 rainy days, mostly passing showers.The Copenhagen Cooking & Food Festival is held in August.
Best timeSeptemberChecking fares…September is the warmest shoulder-season month, around 16.5°C.Early September still feels like summer, with 11 to 12 hours of daylight.September to November cools from 18°C to 8°C as crowds thin.
OctoberChecking fares…Days get shorter, and Halloween at Tivoli is a fun time to go.Copenhagen Cultural Night in October opens museums, galleries and historic buildings to the public.The wettest, greyest stretch begins in late October and runs through December.Culture Night in Copenhagen
NovemberChecking fares…Christmas markets typically run from mid-November through New Year's Eve at Nyhavn and Tivoli.November temperatures drop to around 5°C.Copenhagen Christmas Markets
DecemberChecking fares…December sees a price bump around the Christmas markets.The shortest day, near December 21, has barely seven hours of light.Tivoli adds seasonal decorations, an ice rink and Christmas performances.Weather: Copenhagen averages (1981 to 2010 averages), as listed in its climate table on Wikipedia.
Live fares from your airport. Watch them and we alert you when they drop.
Festivals and seasons through the year
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Capitol Reef National Park