Climate Guangzhou Baiyun International Airport 2020-2024

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

Calculated from historical METAR data of Guangzhou Baiyun International Airport (ZGGG) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	63.7	67	78	69	88	69
February	62.9	50	69	63	81	69
March	55.9	58	57	73	59	51
April	63.3		57	82	72	66
May	74.3		75	73	86	80
June	80.1		86	86	82	85
July	90.0		89	89	95	94
August	84.4		90	88	90	85
September	86.5		83	96	96	75
October	86.4		87	99	86	91
November	76.7		87	57	85	90
December	79.7		76	86	91	84
Average	73.4	58.1	77.9	80.1	84.2	78.3

10th 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	90.2	93	94	96	96	90
February	93.0	99	94	97	99	90
March	85.8	93	92	96	89	78
April	88.6		98	97	91	92
May	94.5		97	95	96	96
June	94.2		98	97	95	96
July	98.3		99	99	100	99
August	95.9		99	98	99	96
September	97.4		99	100	100	93
October	97.6		100	100	99	98
November	93.3		100	88	99	99
December	95.7		96	100	99	99
Average	93.7	95.1	97.0	96.7	96.8	93.8

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	19.7	20	19	20	20	21
February	20.8	20	23	16	25	21
March	24.1	24	25	26	25	23
April	26.6		27	28	28	25
May	30.9		31	29	34	32
June	32.8		34	33	33	33
July	34.7		36	36	36	35
August	34.0		34	34	34	34
September	33.5		33	35	36	32
October	29.3		29	31	28	29
November	25.7		27	26	25	27
December	20.3		21	17	21	20
Average	27.0	21.4	28.0	27.8	28.6	27.5

3rd 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	11.9	12	11	12	10	13
February	13.2	13	14	10	15	14
March	17.3	17	18	18	19	18
April	20.2		21	20	21	18
May	24.4		24	23	26	26
June	26.3		27	26	26	27
July	27.4		28	28	28	28
August	26.7		27	27	27	27
September	25.9		26	26	27	25
October	21.9		22	22	21	22
November	18.1		18	20	17	19
December	12.4		13	10	12	12
Average	19.8	14.2	20.7	20.5	20.8	20.7

35th 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	7.7	8	16	6	1	2
February	11.1	9	9	28	7	12
March	13.9	12	15	14	5	16
April	12.6		11	10	16	17
May	13.0		11	24	6	9
June	16.7		16	23	13	12
July	10.4		10	13	5	5
August	13.9		10	18	14	13
September	8.8		26	2	2	12
October	6.7		12	1	15	4
November	7.9		3	25	2	2
December	3.6		6	5	5	1
Average	10.6	9.8	12.0	14.3	7.4	8.8

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	6.0	6	7	5	7	6
February	5.9	7	6	7	5	5
March	5.6	6	6	5	6	6
April	5.7		6	6	6	5
May	5.8		6	6	8	6
June	6.3		6	7	7	7
July	6.3		7	6	6	7
August	5.8		6	6	6	6
September	5.7		6	7	5	5
October	7.7		8	9	8	9
November	6.6		6	6	7	8
December	7.6		7	10	7	9
Average	6.3	6.6	6.4	6.5	6.4	6.3

3rd 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	019°	003°	005°	005°	016°
February	357°	018°	005°	023°	032°
March	065°	071°	098°	082°	071°
April		094°	087°	065°	042°
May		122°	063°	179°	151°
June		126°	166°	156°	170°
July		151°	150°	137°	168°
August		101°	085°	144°	114°
September		045°	026°	087°	056°
October		017°	013°	025°	022°
November		028°	025°	016°	018°
December		005°	001°	010°	005°

Prevailing wind direction

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