Hamilton Island Long-term Averages

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Mean Max (°C)	30.4	30.1	28.8	27.1	24.8	22.4	21.9	22.8	25.4	27.6	29.1	30.0	26.7
Mean Min (°C)	24.9	24.9	23.9	22.6	20.8	18.4	17.6	18.1	19.8	21.8	23.3	24.4	21.7
Mean Rain (mm)	269.9	316.5	264.3	193.9	122.6	80.7	67.7	40.2	26.6	41.9	95.6	189.0	1704.1
Median Rain (mm)	197.1	201.8	152.7	171.6	111.2	78.4	46.0	26.8	15.6	19.8	66.2	120.3	1641.6
Mean Rain Days	14.9	16.3	17.2	16.8	15.1	11.0	9.1	7.3	5.3	6.7	7.9	10.8	137.6

Hamilton Island Daily Records

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
High Max (°C)	38.5	38.2	34.9	32.5	28.9	27.2	29.7	27.8	30.0	31.5	34.7	38.1	38.5
Low Max (°C)	24.7	25.5	24.8	23.1	18.1	16.6	15.3	16.0	20.0	23.5	24.4	25.0	15.3
High Min (°C)	28.7	29.2	27.6	26.9	24.3	22.1	21.8	22.2	24.7	25.1	26.8	28.1	29.2
Low Min (°C)	20.6	21.2	15.6	18.3	14.6	11.8	11.7	11.4	15.4	16.7	18.0	20.0	11.4
High Rain (mm)	276.0	412.6	165.6	125.8	220.0	93.3	182.8	63.0	100.4	94.0	203.5	295.0	412.6

Hamilton Island Monthly Records

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
High Mn. Max (°C)	32.4	32.5	30.2	28.6	25.6	23.6	22.9	24.3	27.3	28.9	29.9	31.0	27.3
Low Mn. Max (°C)	29.2	28.4	27.6	26.0	23.6	20.3	20.6	21.3	24.0	26.1	27.8	28.4	26.1
High Mn. Min (°C)	26.1	25.7	25.0	23.9	21.7	19.6	18.9	19.3	21.0	23.0	24.0	25.4	22.4
Low Mn. Min (°C)	23.8	24.0	22.1	21.4	19.8	16.9	16.6	16.8	18.5	20.2	22.7	23.1	21.2
High Rain (mm)	856.9	962.0	826.9	537.6	401.6	216.5	288.2	212.2	187.5	155.2	738.7	1065.9	2897.2
Low Rain (mm)	11.1	26.4	20.8	27.2	19.8	11.0	0.0	0.0	0.0	0.4	1.4	17.0	616.6

Hamilton Island Annual Temperatures & Rainfall

Hamilton Island Average Number of Days With Temperatures

	Jan	Feb	Mar	Apr	Sep	Oct	Nov	Dec	Ann
≥ 40°C	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
≥ 35°C	0.4	0.3	0.0	0.0	0.0	0.0	0.0	0.1	0.8
≥ 30°C	18.4	14.4	5.8	1.4	0.1	2.0	8.4	16.1	64.9
≤ 2°C	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
≤ 0°C	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0

Hamilton Island 'per Week' Values (14th/86th Percentiles)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
High Max	32.1	31.6	30.2	28.8	26.7	24.7	23.9	24.9	27.2	29.2	30.7	31.6	30.4
Low Max	28.7	28.4	27.2	25.5	23.2	20.2	20.1	20.7	23.7	25.9	27.5	28.2	22.5
High Min	26.5	26.4	25.4	24.3	22.4	20.4	19.4	19.7	21.5	23.2	24.7	26.1	25.0
Low Min	23.2	23.5	22.4	21.0	19.4	16.5	15.7	16.3	18.1	20.2	21.8	22.7	18.1

Hamilton Island Data Availability

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Years of Minima	17	17	16	16	16	16	16	16	17	17	17	17	16.0
Earliest Entry	1986	1986	1986	1986	1986	1986	1986	1985	1985	1985	1985	1985	1985
Latest Entry	2002	2002	2002	2001	2001	2001	2001	2001	2001	2001	2001	2001	2002
Years of Maxima	17	17	16	15	16	16	16	16	17	17	17	17	16.0
Earliest Entry	1986	1986	1986	1986	1986	1986	1986	1985	1985	1985	1985	1985	1985
Latest Entry	2002	2002	2002	2001	2001	2001	2001	2001	2001	2001	2001	2001	2002
Years of Rainfall	35	35	35	33	33	32	33	33	35	35	34	35	33.0
Earliest Entry	1986	1986	1986	1986	1986	1986	1986	1985	1985	1985	1985	1985	1985
Latest Entry	2024	2023	2023	2023	2023	2023	2023	2023	2023	2023	2023	2023	2024

climate

Station Details

HAMILTON ISLAND
Central Coast, Queensland

20.3528°S 148.9511°E 23m AMSL
Commenced 1985

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Weather News

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Intense Rainfall: Over 100mm in just 3 days over NSW

14:40 AEST The advance of a trough across the north and center of the state spread clouds across the state and, together with humid onshore winds, intensified instability in eastern NSW, leading to intense rainfall.