Onslow Airport Long-term Averages

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Mean Max (°C)	36.5	36.3	36.2	34.0	29.4	26.1	25.6	27.4	30.2	33.0	34.4	36.0	32.1
Mean Min (°C)	24.5	25.1	24.3	21.5	17.4	14.4	13.1	13.7	15.6	18.0	20.2	22.5	19.2
Mean Rain (mm)	36.8	59.8	62.7	13.8	51.7	45.3	18.3	8.4	1.5	0.7	2.6	3.2	307.0
Median Rain (mm)	3.9	19.7	19.7	1.8	14.8	28.6	6.3	2.9	0.2	0.0	0.0	0.0	292.0
Mean Rain Days	3.4	4.4	3.6	2.3	4.5	5.1	3.9	3.0	1.0	0.6	0.5	0.9	33.7

Onslow Airport Daily Records

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
High Max (°C)	50.7	48.1	47.2	43.4	38.8	33.5	33.4	37.7	41.7	46.0	44.8	49.2	50.7
Low Max (°C)	24.0	24.9	23.1	21.3	16.2	17.0	16.0	17.4	21.9	25.3	21.7	26.1	16.0
High Min (°C)	32.0	31.4	32.0	28.7	25.1	23.3	21.9	23.2	23.9	26.9	28.3	31.4	32.0
Low Min (°C)	16.3	18.2	16.0	11.8	7.5	3.5	4.0	5.1	8.4	11.5	13.1	16.4	3.5
High Rain (mm)	238.4	274.1	312.2	82.6	106.9	94.0	81.6	61.5	15.0	10.2	27.7	41.0	312.2

Onslow Airport Monthly Records

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
High Mn. Max (°C)	39.4	39.3	39.0	38.2	32.6	28.9	29.1	30.5	33.5	38.6	38.3	38.9	33.9
Low Mn. Max (°C)	32.9	32.6	33.1	30.7	25.8	22.8	22.8	24.4	28.1	29.9	30.4	32.5	30.8
High Mn. Min (°C)	27.1	26.6	27.0	24.8	20.1	16.9	15.8	15.8	18.5	21.3	22.8	25.5	20.9
Low Mn. Min (°C)	22.0	21.9	22.0	18.7	14.8	11.0	10.1	10.7	13.2	15.5	18.2	20.0	17.5
High Rain (mm)	275.6	358.6	368.4	163.4	310.4	230.8	115.4	81.8	24.7	15.0	60.2	54.0	1085.1
Low Rain (mm)	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	26.0

Onslow Airport Annual Temperatures & Rainfall

Onslow Airport Average Number of Days With Temperatures

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
≥ 40°C	6.5	5.1	4.7	0.7	0.0	0.0	0.0	0.0	0.1	1.3	2.9	5.9	26.8
≥ 35°C	18.3	17.1	19.5	10.9	1.2	0.0	0.0	0.2	2.2	9.5	12.5	17.4	107.9
≥ 30°C	30.1	27.3	29.9	27.3	13.5	1.6	1.1	5.1	14.9	23.7	25.8	29.2	227.7
≤ 2°C	0.0	0.0	0.0	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	0.0	0.0	0.0

Onslow Airport 'per Week' Values (14th/86th Percentiles)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
High Max	41.6	40.7	40.0	37.1	32.3	28.6	27.6	29.9	33.2	37.0	38.9	40.6	37.7
Low Max	32.0	32.3	32.5	30.6	26.0	23.3	22.9	24.5	27.0	28.4	29.9	31.3	26.0
High Min	26.7	27.0	26.3	23.9	20.4	17.8	16.3	16.1	17.6	20.2	22.3	24.8	24.6
Low Min	21.7	22.7	21.7	18.5	14.0	10.7	9.5	10.7	13.0	15.2	17.5	19.6	13.0

Onslow Airport Data Availability

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Years of Minima	56	58	57	56	56	56	58	58	58	58	57	57	57.0
Earliest Entry	1944	1944	1944	1944	1944	1943	1943	1943	1943	1943	1943	1943	1943
Latest Entry	2024	2024	2024	2023	2023	2023	2023	2023	2023	2023	2023	2023	2024
Years of Maxima	57	58	57	56	57	57	58	58	58	58	57	57	57.0
Earliest Entry	1944	1944	1944	1944	1943	1943	1943	1940	1943	1943	1943	1943	1940
Latest Entry	2024	2024	2024	2023	2023	2023	2023	2023	2023	2023	2023	2023	2024
Years of Rainfall	54	55	54	52	51	52	50	52	58	58	59	56	51.0
Earliest Entry	1941	1941	1941	1941	1941	1941	1941	1940	1940	1940	1940	1940	1940
Latest Entry	2024	2024	2024	2023	2023	2023	2023	2023	2023	2023	2023	2023	2024

Station Details

ONSLOW AIRPORT
Pilbara, Western Australia

21.6689°S 115.1092°E 11m AMSL
Commenced 1940

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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.