Climate Frederikssund Syd Flyveplads 2020-2024

Climate and trends: average temperature, flight conditions, precipitation, wind speed and direction.

Calculated from historical METAR data of Copenhagen Roskilde Airport (EKRK) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	33.8	41	20	36	34	27
February	50.3	40	52	52	68	41
March	54.7	44	53	72	54	67
April	81.9		86	78	83	84
May	79.7		88	82	68	81
June	84.9		89	80	88	83
July	81.6		85	80	80	84
August	84.7		79	83	78	90
September	74.5		76	80	72	77
October	60.5		51	62	66	63
November	39.1		47	36	32	37
December	32.2		24	37	34	16
Average	65.5	41.8	68.7	70.4	67.7	69.0

9th best VFR conditions of Denmark

VFR conditions during daylight period

Percentage of observations where the VFR minimums for ceiling and visibility are met: visibility of 8 km or more and a ceiling of 3,000 ft or more. Only observations between sunrise and sunset are taken into account.

Marginal VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	65.1	70	59	68	57	62
February	77.1	70	76	83	81	80
March	77.9	70	72	81	81	90
April	93.9		95	91	95	96
May	93.5		98	98	86	96
June	96.9		98	96	99	95
July	94.2		95	93	92	95
August	95.5		95	94	97	96
September	91.2		87	96	93	89
October	82.1		81	82	81	85
November	72.8		83	73	74	67
December	64.1		62	70	52	61
Average	84.9	69.7	86.6	88.5	85.8	87.7

Marginal VFR conditions or better during daylight period

Percentage of observations where the MVFR minimums for ceiling and visibility are met: visibility of 5 km or more and a ceiling of 1,000 ft or more. Only observations between sunrise and sunset are taken into account.

Maximum temperatures (°C)

Month	Average	2024	2023	2022	2021	2020
January	4.0	3	6	6	2	7
February	4.9	6	5	6	3	7
March	6.9	7	7	7	8	8
April	11.2		11	11	10	12
May	15.8		16	16	14	15
June	20.9		22	20	21	21
July	21.4		20	21	23	19
August	21.5		20	23	20	23
September	17.7		20	17	18	19
October	13.0		13	14	13	13
November	8.0		6	9	9	10
December	4.7		5	1	4	6
Average	11.7	5.4	12.4	12.9	12.0	13.1

11th highest temperature of Denmark

Average highest temperature per day

The maximum temperature is typically observed some hours after noon.

Minimum temperatures (°C)

Month	Average	2024	2023	2022	2021	2020
January	-1.8	-2	2	1	-2	3
February	0.1	2	0	1	-3	2
March	0.4	2	0	-1	0	1
April	2.3		2	1	1	3
May	6.6		6	7	7	5
June	11.2		11	11	12	12
July	12.0		12	12	15	11
August	12.3		13	13	12	14
September	10.0		13	10	11	10
October	7.3		7	9	7	7
November	3.7		1	6	4	5
December	0.9		1	-3	-1	3
Average	4.9	0.5	5.5	5.8	5.2	6.1

4th lowest temperature of Denmark

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	21.4	25	26	18	24	20
February	18.0	23	12	18	14	23
March	14.0	8	24	4	10	7
April	7.1		6	8	8	5
May	8.0		2	10	17	8
June	4.8		3	5	3	5
July	8.0		12	4	8	9
August	8.8		13	7	10	8
September	8.5		3	8	7	6
October	12.9		16	5	17	14
November	13.5		22	7	14	10
December	19.5		24	16	23	16
Average	11.5	17.3	11.6	8.1	11.5	9.7

Precipitation during daylight period

Percentage of observations with observed rain, drizzle, snow or hail. Only observations between sunrise and sunset are taken into account.

Wind speed (knots)

Month	Average	2024	2023	2022	2021	2020
January	10.0	11	10	11	8	11
February	10.6	11	11	13	8	13
March	10.1	10	10	9	10	11
April	9.8		9	9	10	10
May	9.0		9	9	9	10
June	8.0		7	7	7	8
July	8.8		9	10	8	10
August	8.1		8	7	9	8
September	8.9		8	9	8	8
October	9.8		11	9	9	9
November	9.1		8	11	8	10
December	9.7		11	6	9	10
Average	9.3	10.7	9.1	9.1	8.6	9.5

11th highest wind speed of Denmark

Average wind speed

Excluding wind gusts. Only observations between sunrise and sunset are taken into account.

Prevailing wind direction

Month	2024	2023	2022	2021	2020
January	262°	222°	272°	261°	245°
February	233°	276°	249°	041°	242°
March	126°	243°	129°	269°	241°
April		086°	279°	311°	291°
May		122°	263°	242°	295°
June		301°	253°	290°	156°
July		236°	269°	234°	263°
August		247°	162°	271°	156°
September		197°	158°	225°	248°
October		239°	221°	222°	186°
November		163°	151°	250°	229°
December		236°	223°	201°	153°

Prevailing wind direction

Average wind direction, weighed by wind speed. Only observations between sunrise and sunset are taken into account.