Climate 21 Century City Building Heliport 2020-2024

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

Calculated from historical METAR data of Gimhae International Airport (RKPK) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	91.3	90	86	100	92	89
February	90.5	59	93	99	98	90
March	87.7	82	87	82	89	92
April	88.1		74	89	98	96
May	87.4		74	99	83	88
June	79.8		75	65	82	84
July	71.1		37	86	82	58
August	81.1		69	82	85	73
September	82.6		68	90	85	91
October	94.7		98	96	94	100
November	97.1		95	100	96	96
December	95.4		88	100	99	99
Average	85.9	77.3	76.9	89.5	89.7	87.4

2nd best VFR conditions of South Korea

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	96.0	98	95	100	96	94
February	97.5	97	97	100	100	94
March	96.2	96	96	97	94	97
April	95.5		94	97	98	97
May	93.9		91	100	92	96
June	93.9		96	93	93	92
July	91.7		81	99	93	89
August	95.0		96	96	93	92
September	94.5		93	100	97	98
October	99.0		100	100	100	100
November	98.4		99	100	97	97
December	97.7		96	100	100	99
Average	95.8	97.1	93.9	98.2	95.8	95.1

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	8.0	8	9	9	8	10
February	10.3	10	12	9	12	11
March	15.1	13	18	16	17	15
April	19.4		20	21	21	18
May	23.7		22	26	23	23
June	26.9		27	27	27	28
July	29.8		29	32	31	26
August	31.5		32	31	31	32
September	27.0		28	28	27	26
October	22.3		22	23	24	22
November	16.7		15	19	17	17
December	9.1		9	9	11	9
Average	18.9	10.2	20.1	21.1	20.8	19.8

1st highest temperature of South Korea

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	-2.1	-2	-2	-2	-3	1
February	0.4	2	1	-2	1	2
March	5.0	3	7	6	7	5
April	9.7		11	10	11	7
May	14.5		14	15	15	14
June	19.2		19	21	20	19
July	23.4		23	25	25	21
August	24.6		25	25	25	25
September	19.6		21	20	20	19
October	12.5		11	13	14	12
November	5.7		5	8	6	6
December	-1.1		-1	-1	0	-2
Average	9.8	1.1	11.2	11.8	11.7	10.7

11th lowest temperature of South Korea

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	6.0	7	5	0	8	14
February	5.2	17	1	0	3	9
March	8.6	13	5	7	10	9
April	9.9		14	6	6	9
May	10.4		20	1	12	9
June	11.2		12	13	12	12
July	16.9		29	8	11	32
August	11.7		13	13	17	15
September	14.3		18	12	13	12
October	6.0		3	4	7	1
November	2.6		3	3	4	3
December	4.4		10	1	3	1
Average	9.5	12.2	11.7	6.0	9.0	11.0

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	7.6	7	7	7	8	8
February	8.2	8	7	9	9	8
March	8.7	9	8	8	9	9
April	9.7		9	9	10	10
May	9.1		8	9	9	9
June	8.7		8	10	8	9
July	8.3		7	7	9	7
August	8.4		9	8	8	9
September	8.2		7	8	9	10
October	8.0		7	8	7	8
November	6.8		7	6	6	7
December	7.4		7	7	7	8
Average	8.3	8.0	7.6	8.0	8.3	8.5

1st highest wind speed of South Korea

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	324°	314°	321°	317°	331°
February	013°	323°	311°	296°	316°
March	266°	205°	230°	355°	280°
April		184°	180°	040°	257°
May		181°	200°	219°	174°
June		195°	186°	158°	197°
July		193°	176°	142°	139°
August		159°	217°	165°	193°
September		045°	036°	051°	008°
October		330°	359°	340°	348°
November		293°	321°	300°	322°
December		311°	314°	317°	318°

Prevailing wind direction

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