Climate Songyuan Chaganhu Airport 2020-2024

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

Calculated from historical METAR data of Changchun Longjia International Airport (ZYCC) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	53.2	62	69	58	60	12
February	66.2	67	74	70	67	67
March	74.4	86	79	80	72	80
April	76.7		69	83	86	57
May	83.4		80	88	91	82
June	76.9		74	76	80	85
July	74.5		60	79	90	85
August	65.7		56	75	74	72
September	80.8		82	91	74	73
October	80.4		89	74	88	86
November	70.3		53	79	53	66
December	74.9		78	94	85	86
Average	73.1	72.2	71.7	78.6	77.3	71.7

11th 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	75.4	85	87	82	77	43
February	84.5	87	89	85	82	85
March	88.6	98	93	90	90	91
April	92.8		91	93	99	81
May	98.1		97	100	100	97
June	96.6		98	95	96	100
July	97.2		98	97	98	98
August	97.2		97	99	98	95
September	96.9		100	100	93	91
October	95.7		97	96	97	98
November	87.4		76	92	85	84
December	86.0		90	98	91	95
Average	91.6	90.4	93.2	94.1	92.7	88.8

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	-9.3	-9	-8	-9	-11	-8
February	-5.9	-4	-2	-5	-5	-4
March	6.0	5	9	5	7	6
April	15.3		15	16	15	14
May	22.2		23	22	22	21
June	25.9		28	25	25	27
July	29.2		28	28	30	30
August	26.2		27	26	26	28
September	22.5		25	24	22	21
October	14.2		17	13	14	13
November	1.7		-2	3	2	3
December	-8.3		-8	-8	-6	-9
Average	10.2	-3.2	12.6	12.3	11.8	11.8

37th 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	-20.0	-20	-19	-21	-22	-20
February	-16.3	-17	-14	-17	-15	-15
March	-6.9	-6	-3	-6	-4	-4
April	3.1		3	4	3	2
May	10.7		10	10	11	11
June	16.1		17	17	16	16
July	20.8		20	20	22	19
August	17.9		18	16	18	19
September	11.6		12	12	12	12
October	2.2		3	2	2	2
November	-8.3		-9	-6	-6	-8
December	-18.8		-17	-17	-16	-17
Average	-1.6	-15.5	1.9	1.9	1.8	1.4

3rd 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	8.0	10	5	7	10	13
February	9.3	5	7	17	9	10
March	5.2	3	1	11	5	9
April	5.2		3	4	8	15
May	7.4		2	6	6	11
June	7.2		7	10	11	4
July	7.4		10	13	6	5
August	12.2		10	6	14	12
September	7.7		1	6	13	19
October	4.5		2	9	4	5
November	10.2		21	9	16	7
December	6.1		9	2	4	3
Average	7.4	5.7	6.4	8.4	8.7	9.4

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	6.9	7	8	6	7	5
February	7.5	7	8	7	8	8
March	8.7	8	10	9	9	10
April	10.3		11	11	10	8
May	10.0		10	9	10	9
June	7.6		7	7	8	8
July	7.1		7	6	7	7
August	6.5		6	7	7	8
September	7.2		7	8	5	7
October	8.0		7	8	8	9
November	8.1		7	8	8	8
December	7.9		8	9	8	9
Average	7.9	7.5	8.0	7.8	7.9	7.9

37th 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	250°	246°	257°	239°	221°
February	243°	257°	272°	269°	256°
March	273°	248°	264°	253°	257°
April		257°	257°	249°	302°
May		225°	248°	234°	229°
June		223°	201°	210°	241°
July		215°	198°	204°	194°
August		238°	236°	219°	212°
September		220°	227°	195°	225°
October		255°	248°	246°	247°
November		258°	246°	248°	259°
December		253°	253°	257°	247°

Prevailing wind direction

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