Climate Sydney Kingsford Smith International Airport 2020-2024

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

Calculated from historical METAR data of Sydney Kingsford Smith International Airport (YSSY) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	81.6	78	78	83	85	78
February	84.9	73	87	86	88	80
March	86.0	86	90	72	84	85
April	94.3		87	84	99	98
May	95.8		100	91	92	95
June	95.5		98	100	94	94
July	93.6		95	78	97	91
August	96.1		95	93	97	98
September	95.0		100	90	98	93
October	89.3		95	84	94	84
November	87.9		73	98	75	92
December	85.1		83	95	83	78
Average	88.9	78.7	89.1	87.0	89.9	88.1

61st best VFR conditions of Australia

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	96.9	99	94	97	95	96
February	96.9	97	98	96	99	91
March	98.0	100	100	94	94	99
April	98.9		97	96	100	100
May	99.2		100	97	100	100
June	99.4		100	100	100	100
July	98.4		98	96	98	98
August	99.1		100	99	99	100
September	99.4		100	100	100	100
October	97.8		100	95	99	97
November	98.6		98	100	94	100
December	97.2		97	99	98	98
Average	98.3	98.7	98.2	97.1	97.7	97.9

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	27.6	28	26	27	27	28
February	26.7	27	27	26	25	27
March	25.5	26	28	24	24	25
April	23.4		22	23	23	24
May	20.2		19	20	20	19
June	17.6		19	17	18	18
July	18.2		20	16	18	17
August	18.9		19	19	20	19
September	21.5		23	19	22	22
October	23.3		25	22	23	24
November	24.4		24	23	22	26
December	26.6		27	23	25	26
Average	23.3	27.1	23.2	21.5	22.1	22.8

89th highest temperature of Australia

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	21.0	22	20	21	20	21
February	20.6	21	21	20	20	20
March	19.1	20	20	19	18	18
April	16.0		15	16	15	16
May	12.4		11	13	13	12
June	10.0		10	9	10	10
July	9.8		10	10	10	10
August	10.2		11	11	10	10
September	12.6		13	13	12	14
October	15.5		15	16	15	16
November	17.1		18	16	17	18
December	19.1		20	16	19	19
Average	15.9	20.6	15.2	14.9	14.8	15.3

35th lowest temperature of Australia

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	11.2	12	17	15	16	14
February	12.5	6	10	29	11	16
March	16.5	4	9	36	23	23
April	10.2		16	26	2	10
May	9.1		6	20	12	12
June	12.0		7	1	17	11
July	10.3		5	32	10	12
August	7.1		7	10	5	8
September	7.2		2	13	8	10
October	11.9		9	18	9	11
November	10.1		13	3	20	7
December	8.7		9	8	9	14
Average	10.3	7.3	9.2	18.2	11.8	12.5

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	14.5	15	15	14	14	14
February	14.1	13	15	13	14	13
March	13.0	12	12	14	14	13
April	11.1		12	11	10	11
May	11.1		12	10	11	13
June	11.5		11	13	11	11
July	11.4		10	14	12	11
August	13.0		11	14	12	12
September	13.8		12	14	15	13
October	14.4		15	13	14	14
November	14.7		14	16	15	14
December	14.7		14	16	15	14
Average	13.3	13.4	13.0	13.4	13.0	12.9

89th highest wind speed of Australia

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	090°	116°	085°	085°	107°
February	122°	083°	122°	129°	100°
March	105°	084°	149°	113°	140°
April		192°	158°	184°	328°
May		236°	270°	224°	233°
June		288°	256°	275°	231°
July		270°	184°	278°	211°
August		193°	270°	279°	264°
September		065°	148°	232°	012°
October		083°	057°	118°	109°
November		089°	047°	118°	085°
December		112°	159°	128°	098°

Prevailing wind direction

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