Hillarys Harbour Long-term Averages

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Mean Max (°C)	28.0	27.9	26.8	23.7	21.5	19.2	18.1	18.3	19.3	20.6	23.6	26.1	22.7
Mean Min (°C)	19.8	20.0	19.2	16.4	13.8	11.9	11.5	11.7	12.4	14.2	16.4	18.4	15.4
Mean Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-
Median Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-
Mean Rain Days	-	-	-	-	-	-	-	-	-	-	-	-	-

Hillarys Harbour Daily Records

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
High Max (°C)	41.2	40.5	39.8	34.6	29.1	25.2	24.3	26.6	33.0	33.5	36.0	42.2	42.2
Low Max (°C)	19.5	17.5	19.7	16.8	13.9	13.8	13.6	13.4	14.0	15.4	16.3	18.6	13.4
High Min (°C)	27.0	25.4	27.1	24.3	20.6	17.3	17.2	17.9	20.1	19.8	24.5	28.5	28.5
Low Min (°C)	13.3	13.2	12.8	8.7	7.0	5.3	5.0	5.5	6.4	7.8	9.8	10.5	5.0
High Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-

Hillarys Harbour Monthly Records

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
High Mn. Max (°C)	29.6	30.3	28.4	24.8	23.8	20.7	18.8	20.3	20.6	22.4	25.8	28.3	23.1
Low Mn. Max (°C)	26.2	26.1	24.9	22.0	19.7	17.1	17.0	16.8	16.7	19.0	21.6	24.4	21.9
High Mn. Min (°C)	21.4	21.1	20.0	17.3	16.2	13.8	12.7	13.5	13.5	15.9	18.0	20.5	15.7
Low Mn. Min (°C)	18.4	19.0	17.9	15.1	12.1	10.8	10.0	10.2	10.0	12.5	15.1	17.1	14.8
High Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-
Low Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-

Hillarys Harbour Annual Temperatures & Rainfall

Hillarys Harbour Average Number of Days With Temperatures

	Jan	Feb	Mar	Apr	Sep	Oct	Nov	Dec	Ann
≥ 40°C	0.3	0.2	0.0	0.0	0.0	0.0	0.0	0.4	0.8
≥ 35°C	3.1	2.3	1.5	0.0	0.0	0.0	0.4	2.5	9.1
≥ 30°C	10.7	9.9	8.1	1.4	0.3	1.1	4.0	6.9	42.6
≤ 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

Hillarys Harbour 'per Week' Values (14th/86th Percentiles)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
High Max	-	-	-	-	-	-	-	-	-	-	-	-	-
Low Max	-	-	-	-	-	-	-	-	-	-	-	-	-
High Min	-	-	-	-	-	-	-	-	-	-	-	-	-
Low Min	-	-	-	-	-	-	-	-	-	-	-	-	-

Hillarys Harbour Data Availability

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Years of Minima	11	11	10	9	9	12	12	11	11	11	10	11	9.0
Earliest Entry	2014	2014	2014	2014	2013	2013	2013	2013	2013	2013	2013	2013	2013
Latest Entry	2025	2025	2025	2025	2024	2024	2024	2024	2024	2024	2024	2024	2025
Years of Maxima	11	11	10	9	9	12	12	11	11	11	10	11	9.0
Earliest Entry	2014	2014	2014	2014	2013	2013	2013	2013	2013	2013	2013	2013	2013
Latest Entry	2025	2025	2025	2025	2024	2024	2024	2024	2024	2024	2024	2024	2025
Years of Rainfall	-	-	-	-	-	-	-	-	-	-	-	-	-
Earliest Entry	-	-	-	-	-	-	-	-	-	-	-	-	-
Latest Entry	-	-	-	-	-	-	-	-	-	-	-	-	-

Station Details

HILLARYS BOAT HARBOUR NTC AWS
Perth, Western Australia

31.8256°S 115.7386°E 0m AMSL
Commenced 1991

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Months of rain in a day in southern WA

12:31 AEST Heavy rain has fallen in southern parts of Western Australia, with the heaviest day of rain (in any month) in at least 20 years at some locations.