Climate Dalian Zhoushuizi International Airport 2020-2024

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

Calculated from historical METAR data of Dalian Zhoushuizi International Airport (ZYTL) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	72.5	74	80	78	61	67
February	72.3	79	75	83	71	59
March	69.9	78	61	69	59	86
April	81.4		83	79	90	84
May	81.7		82	90	86	69
June	73.7		84	59	59	81
July	66.5		61	62	68	73
August	70.1		74	78	77	56
September	81.4		85	85	71	87
October	77.5		85	81	76	83
November	72.7		75	56	66	81
December	76.3		63	87	88	75
Average	74.8	77.1	75.6	74.9	72.7	75.0

19th best VFR conditions of China

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	86.1	95	91	89	80	79
February	86.2	90	85	98	88	75
March	86.0	94	84	84	73	94
April	92.3		94	98	96	89
May	93.4		92	99	96	85
June	90.3		94	86	81	96
July	90.8		87	90	90	94
August	95.7		97	99	98	89
September	96.7		99	97	94	99
October	93.6		97	92	93	98
November	88.5		94	81	82	92
December	88.9		85	94	95	88
Average	91.0	93.1	91.6	92.1	88.9	89.9

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	0.8	1	2	0	0	2
February	3.0	1	4	2	6	4
March	10.2	10	12	10	10	11
April	16.5		17	17	16	16
May	22.4		23	23	22	20
June	26.0		27	24	25	27
July	29.2		30	29	29	28
August	28.9		29	28	29	28
September	25.7		27	25	25	25
October	18.3		21	17	18	19
November	10.5		9	12	11	11
December	2.7		1	2	5	2
Average	14.8	4.1	16.8	16.2	16.2	15.9

32nd highest temperature of China

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	-8.6	-8	-8	-8	-9	-6
February	-5.3	-6	-4	-7	-4	-3
March	1.7	2	2	2	2	2
April	8.1		8	9	8	7
May	13.7		14	14	13	12
June	18.7		19	19	18	19
July	23.0		23	23	23	21
August	22.7		23	22	22	23
September	17.9		19	17	19	17
October	9.4		12	9	9	9
November	2.1		1	3	2	3
December	-6.3		-8	-6	-4	-6
Average	6.9	-4.3	8.7	8.4	8.2	8.1

11th lowest temperature of China

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	3.9	4	3	6	10	3
February	2.9	3	1	2	4	6
March	2.3	3	1	5	4	2
April	4.7		5	3	9	4
May	5.2		8	3	5	14
June	5.3		7	8	9	5
July	6.6		13	11	6	9
August	10.0		8	6	5	14
September	5.1		3	9	11	3
October	2.9		1	7	4	0
November	5.9		7	12	4	6
December	7.3		19	8	1	9
Average	5.0	3.1	6.2	6.5	6.1	6.4

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	8.1	8	8	8	8	8
February	8.8	9	8	9	9	9
March	9.7	10	9	10	8	10
April	10.3		10	10	11	12
May	10.0		9	9	10	10
June	8.8		9	9	9	8
July	8.3		9	8	8	8
August	8.0		8	8	8	7
September	8.0		7	8	9	9
October	8.1		7	9	8	8
November	8.5		9	9	8	9
December	8.5		8	8	9	9
Average	8.8	9.0	8.3	8.7	8.7	8.6

32nd highest wind speed of China

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	320°	314°	313°	344°	319°
February	331°	309°	308°	314°	338°
March	299°	315°	305°	297°	291°
April		296°	262°	285°	298°
May		091°	264°	242°	128°
June		148°	109°	124°	103°
July		150°	130°	122°	120°
August		319°	298°	256°	142°
September		306°	293°	110°	312°
October		300°	313°	316°	280°
November		331°	292°	297°	303°
December		318°	306°	301°	303°

Prevailing wind direction

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