Copenhagen climate

Name: Copenhagen
Address: DK

Copenhagen is warmest in July, with average highs of 21 °C, and coldest in February, when nights average -0.7 °C. August is the wettest month (76 mm) and April the driest (41 mm). Figures are 1991–2020 climate normals.

Across a full year Copenhagen averages 670 mm of rain, 7 days above 25 °C and 61 days below freezing.

Denmark · population 1,153,615 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month July 21 °C
Coldest month February -0.7 °C
Driest month April 41 mm
Wettest month August 76 mm
Least cloud May 57 % cloud
Hottest on record August 30 °C
Coldest on record January -18 °C
Warmest sea August 18 °C

What to expectCopenhagen through the year

Copenhagen has a clear annual cycle: average daily highs run from 3.3 °C in February to 21 °C in July, a swing of 16 °C in mean temperature across the year.

Counted across a normal year, 7 days a year reach 25 °C, 61 nights drop below freezing. The warmest reading in the 1991–2020 record is 30 °C, in August.

Rain is spread fairly evenly through the year, from 41 mm in April to 76 mm in August. There is no dry season to aim for.

The sea off Copenhagen is warmest in August at 18 °C and coldest in February at 2.4 °C. Sea temperature lags the air by a month or two, which is why late summer swims warmer than early summer at the same air temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	3.0 °C	51 mm	75 %
February	3.3 °C	42 mm	74 %
March	6.0 °C	43 mm	67 %
April	10.7 °C	41 mm	59 %
May	15.3 °C	51 mm	57 %
June	18.4 °C	73 mm	59 %
July	20.9 °C	72 mm	58 %
August	20.5 °C	76 mm	60 %
September	16.7 °C	57 mm	64 %
October	11.7 °C	61 mm	69 %
November	7.2 °C	50 mm	76 %
December	4.2 °C	54 mm	78 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days below 0 °C
January	3.0 °C	-0.5 °C	1.3 °C	11.2 °C	-18.0 °C	0	15
February	3.3 °C	-0.7 °C	1.3 °C	11.8 °C	-14.3 °C	0	15
March	6.0 °C	0.4 °C	3.2 °C	14.4 °C	-15.4 °C	0	13
April	10.7 °C	3.6 °C	7.2 °C	23.0 °C	-8.0 °C	0	3
May	15.3 °C	7.9 °C	11.8 °C	25.3 °C	0.6 °C	0	0
June	18.4 °C	11.7 °C	15.3 °C	28.7 °C	4.5 °C	1	0
July	20.9 °C	14.2 °C	17.7 °C	29.5 °C	8.4 °C	4	0
August	20.5 °C	14.4 °C	17.6 °C	29.6 °C	8.0 °C	3	0
September	16.7 °C	11.5 °C	14.1 °C	24.1 °C	4.5 °C	0	0
October	11.7 °C	7.7 °C	9.7 °C	19.3 °C	-4.1 °C	0	1
November	7.2 °C	4.0 °C	5.7 °C	16.8 °C	-9.2 °C	0	4
December	4.2 °C	0.9 °C	2.6 °C	12.1 °C	-15.0 °C	0	11

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	51 mm	11	7.7 h/day	75 %	86 %	26 km/h	3.2 °C
February	42 mm	9	9.6 h/day	74 %	83 %	26 km/h	2.4 °C
March	43 mm	10	12 h/day	67 %	80 %	24 km/h	3.1 °C
April	41 mm	9	14 h/day	59 %	75 %	22 km/h	5.6 °C
May	51 mm	10	16 h/day	57 %	73 %	22 km/h	9.9 °C
June	73 mm	11	18 h/day	59 %	73 %	22 km/h	14.3 °C
July	72 mm	11	17 h/day	58 %	74 %	20 km/h	17.1 °C
August	76 mm	12	15 h/day	60 %	76 %	21 km/h	17.9 °C
September	57 mm	10	13 h/day	64 %	79 %	23 km/h	15.4 °C
October	61 mm	11	11 h/day	69 %	83 %	24 km/h	11.9 °C
November	50 mm	11	8.3 h/day	76 %	86 %	24 km/h	8.5 °C
December	54 mm	11	7.1 h/day	78 %	87 %	25 km/h	5.3 °C

How Copenhagen compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
Copenhagen	21 °C	-0.7 °C	670 mm	7
Malmö · Sweden	21 °C	-1.1 °C	611 mm	9
Odense · Denmark	21 °C	-0.3 °C	642 mm	10
Århus · Denmark	21 °C	-0.4 °C	660 mm	6

Where Copenhagen ranks

Ranking	Position	Value
Best beach destinations in Europe in February	49thof 50	12/100

Planning a trip? See the best time to visit Copenhagen.

QuestionsCommon questions about Copenhagen’s climate

When is the best time to visit Copenhagen?

That depends on what you want, so the honest answer is a comparison rather than a single month. June, July, August sit closest to 20 °C on average, July is the warmest month and April the driest. The month-by-month table above has the full picture.

How hot does Copenhagen get?

In July, the warmest month, daily highs average 21 °C. The highest value in the 1991–2020 record is 30 °C.

How cold does it get in winter?

Nights average -0.7 °C in February, the coldest month. A normal year has 61 nights below freezing.

Which month is wettest in Copenhagen?

August, averaging 76 mm over 12 days with rain. The driest month is April with 41 mm. The year as a whole averages 670 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Copenhagen rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.