Climate Wirralie Airport 2020-2024

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

Calculated from historical METAR data of Hamilton Island Airport (YBHM) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	76.1	76	65	90	64	84
February	78.6	78	68	69	80	89
March	76.3	68	87	81	87	81
April	72.5		69	63	70	93
May	66.8		76	54	66	79
June	70.9		65	76	72	62
July	73.8		64	70	83	81
August	77.6		70	68	69	88
September	84.4		79	79	94	71
October	88.5		93	66	94	96
November	89.6		87	69	93	98
December	75.9		76	18	89	84
Average	77.5	73.9	74.9	68.1	80.4	84.1

90th 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	94.8	98	90	99	89	98
February	96.6	94	97	98	97	98
March	95.9	97	97	97	99	97
April	97.2		98	95	98	100
May	96.2		99	95	98	97
June	96.5		95	97	99	93
July	93.1		94	90	94	98
August	95.3		98	96	97	96
September	97.4		97	97	100	99
October	97.8		99	88	100	100
November	96.5		98	80	99	100
December	90.1		96	22	98	98
Average	95.7	96.1	96.2	89.8	97.1	97.8

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	29.4	30	29	31	28	30
February	29.4	30	29	29	29	31
March	28.6	28	30	30	29	28
April	25.4		28	27	26	28
May	23.7		23	25	23	23
June	21.8		23	22	22	22
July	21.3		22	19	22	21
August	22.6		22	22	23	23
September	24.7		24	25	24	25
October	27.0		26	27	29	27
November	28.3		28	28	29	29
December	29.0		29	27	30	29
Average	26.3	29.4	26.0	25.8	26.1	26.3

56th 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	25.6	27	25	26	25	26
February	25.5	26	25	25	25	27
March	24.8	25	26	26	25	25
April	22.3		24	24	23	25
May	20.8		21	22	21	20
June	19.2		21	19	19	19
July	18.5		19	17	19	18
August	19.0		19	19	20	19
September	20.6		21	21	20	21
October	22.7		22	23	24	23
November	24.0		24	25	25	24
December	24.7		26	21	26	25
Average	22.7	26.0	22.7	22.2	22.5	22.4

83rd 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	4.1	6	24	0	0	0
February	4.8	16	19	0	0	0
March	2.7	14	6	0	0	0
April	2.0		13	0	0	0
May	0.8		6	0	0	0
June	0.1		1	0	0	0
July	2.5		16	0	0	0
August	0.4		3	0	0	0
September	0.9		6	0	0	0
October	0.1		1	0	0	0
November	0.2		1	0	0	0
December	2.0		12	0	0	0
Average	2.6	11.8	9.2

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	16.0	16	16	15	17	13
February	15.6	16	18	17	14	11
March	16.6	19	14	17	15	18
April	18.2		15	20	18	15
May	17.9		19	15	18	17
June	15.8		13	17	14	18
July	15.6		19	16	14	16
August	14.7		17	15	16	15
September	14.9		18	12	17	17
October	14.6		15	15	14	15
November	15.5		15	15	15	16
December	15.8		17	16	14	15
Average	16.0	16.8	16.1	15.9	15.3	15.5

56th 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	104°	107°	105°	122°	099°
February	119°	124°	131°	106°	079°
March	127°	102°	099°	112°	130°
April		134°	129°	137°	120°
May		141°	142°	145°	140°
June		135°	145°	141°	146°
July		140°	146°	135°	140°
August		143°	139°	135°	129°
September		126°	114°	120°	124°
October		111°	107°	357°	097°
November		081°	102°	076°	098°
December		080°	107°	112°	098°

Prevailing wind direction

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