Garden Island Long-term Averages

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Mean Max (°C)	27.5	28.4	27.1	23.8	21.4	19.0	17.9	18.1	19.0	21.0	23.9	25.8	22.7
Mean Min (°C)	19.0	19.4	18.4	16.0	13.8	12.1	11.4	11.2	12.0	13.6	15.7	17.4	15.0
Mean Rain (mm)	12.3	15.0	17.0	38.5	73.8	115.5	125.7	93.3	62.4	29.1	20.0	9.2	612.5
Median Rain (mm)	0.9	2.1	7.9	34.7	57.7	110.7	109.2	92.5	47.3	28.4	19.2	4.8	538.6
Mean Rain Days	2.3	2.1	4.6	8.6	11.4	15.7	19.7	17.2	15.0	9.4	6.1	3.5	115.0

Garden Island Daily Records

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
High Max (°C)	42.0	43.0	41.8	37.1	31.0	24.6	23.0	25.9	33.2	36.3	39.7	43.4	43.4
Low Max (°C)	19.9	18.3	17.4	16.6	14.7	13.5	13.4	13.1	13.6	15.0	16.0	18.0	13.1
High Min (°C)	26.6	26.4	26.2	23.3	20.4	17.7	17.3	17.2	18.4	22.0	24.0	25.5	26.6
Low Min (°C)	12.7	13.8	10.2	7.5	7.6	5.7	4.3	3.5	5.7	7.0	8.5	11.0	3.5
High Rain (mm)	107.6	109.0	37.0	53.6	99.8	44.8	52.2	42.0	41.2	22.0	46.0	38.6	109.0

Garden Island Monthly Records

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
High Mn. Max (°C)	30.5	31.8	28.8	26.0	23.0	20.5	18.9	19.6	20.2	23.6	27.9	28.1	23.9
Low Mn. Max (°C)	24.6	26.2	24.5	21.9	19.9	17.0	16.8	16.8	16.7	18.3	21.3	21.5	21.5
High Mn. Min (°C)	20.4	21.5	20.0	18.3	16.3	13.6	12.8	13.1	13.7	15.4	17.6	19.7	15.9
Low Mn. Min (°C)	17.5	17.9	17.1	14.3	12.1	10.2	9.9	9.1	9.8	12.2	14.0	15.5	14.4
High Rain (mm)	108.2	126.8	56.2	134.8	184.4	263.6	239.6	133.8	151.6	83.8	87.0	52.0	848.6
Low Rain (mm)	0.0	0.0	0.0	0.0	21.2	20.4	40.6	19.4	21.4	4.6	1.4	0.0	407.6

Garden Island Annual Temperatures & Rainfall

Garden Island Average Number of Days With Temperatures

	Jan	Feb	Mar	Apr	May	Sep	Oct	Nov	Dec	Ann
≥ 40°C	0.3	0.2	0.1	0.0	0.0	0.0	0.0	0.0	0.2	0.6
≥ 35°C	2.7	3.4	1.6	0.1	0.0	0.0	0.1	1.0	1.9	10.6
≥ 30°C	8.7	9.8	7.8	2.0	0.1	0.1	1.0	3.2	6.1	38.9
≤ 2°C	0.0	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	0.0

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
High Max	31.1	34.6	32.5	27.0	24.4	21.1	19.5	20.0	20.7	24.3	27.2	31.0	27.9
Low Max	22.6	23.0	22.4	20.2	18.3	16.9	15.9	15.7	16.6	17.7	19.7	20.9	17.6
High Min	21.0	21.9	21.0	18.3	17.0	14.7	13.7	13.9	14.5	16.0	18.0	19.6	19.0
Low Min	15.9	16.0	15.0	13.2	11.2	9.3	8.2	8.2	9.0	10.5	12.8	14.0	10.4

Garden Island Data Availability

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Years of Minima	23	23	22	22	22	22	22	22	22	21	22	23	22.0
Earliest Entry	2002	2002	2002	2002	2002	2002	2002	2002	2002	2002	2001	2001	2001
Latest Entry	2024	2024	2024	2023	2023	2023	2023	2023	2023	2023	2023	2023	2024
Years of Maxima	23	23	22	22	22	22	22	22	22	21	22	23	22.0
Earliest Entry	2002	2002	2002	2002	2002	2002	2002	2002	2002	2002	2001	2001	2001
Latest Entry	2024	2024	2024	2023	2023	2023	2023	2023	2023	2023	2023	2023	2024
Years of Rainfall	23	23	22	22	21	21	21	21	21	21	22	23	21.0
Earliest Entry	2002	2002	2002	2002	2002	2002	2002	2002	2002	2002	2001	2001	2001
Latest Entry	2024	2024	2024	2023	2023	2023	2023	2023	2023	2023	2023	2023	2024

Station Details

GARDEN ISLAND HSF
Lower West, Western Australia

32.2433°S 115.6839°E 6m AMSL
Commenced 2001

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Weather News

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Winter is Coming: Chilly day for Sydney, rain pelts eastern seaboard

17:22 AEST Just as we forecast yesterday, a coastal trough has deepened along the NSW and southeast Qld coasts as a low in the Coral Sea continues to inch closer to Qld. The trough has brought some interesting weather to NSW in the past 36 hours or so, particularly along the coastal fringe, giving those New South Welshmen a “Stark” Game of Thrones reminder: winter is coming.