Merredin Long-term Averages

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Mean Max (°C)	34.1	33.4	30.3	25.5	20.9	17.4	16.4	17.6	20.8	25.2	28.8	32.3	25.1
Mean Min (°C)	18.0	18.1	16.3	12.9	9.0	6.7	5.6	5.6	6.9	9.9	13.3	16.0	11.5
Mean Rain (mm)	14.8	15.9	21.6	23.1	40.2	49.3	49.9	39.7	24.6	18.3	15.1	13.1	324.7
Median Rain (mm)	5.5	4.9	10.8	15.5	37.9	48.6	48.5	37.1	23.1	13.5	11.1	4.9	317.1
Mean Rain Days	2.3	2.6	3.2	4.5	7.8	11.0	11.9	10.4	7.2	5.0	3.3	2.5	71.4

Merredin Daily Records

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
High Max (°C)	46.0	46.2	42.3	38.5	33.4	27.3	25.1	30.8	34.6	39.5	43.5	44.5	46.2
Low Max (°C)	15.8	18.0	15.1	13.6	10.5	10.0	9.5	7.4	11.0	13.7	12.2	17.2	7.4
High Min (°C)	30.0	29.4	26.8	23.0	22.0	15.3	14.8	16.6	19.0	23.5	25.3	27.6	30.0
Low Min (°C)	6.4	7.1	2.8	2.5	-1.4	-2.9	-3.4	-2.8	-1.8	-0.3	0.6	3.3	-3.4
High Rain (mm)	65.5	66.0	82.6	59.7	49.3	59.4	44.7	37.0	44.7	49.0	37.6	48.5	82.6

Merredin Monthly Records

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
High Mn. Max (°C)	38.1	36.7	33.5	29.4	25.1	20.4	19.0	21.7	24.8	29.4	32.0	37.3	27.0
Low Mn. Max (°C)	30.9	29.2	26.7	21.7	18.3	14.3	14.2	15.2	16.7	22.3	24.2	28.8	23.0
High Mn. Min (°C)	20.9	20.9	19.3	16.0	12.5	9.2	7.7	8.2	9.7	13.3	16.1	18.9	13.0
Low Mn. Min (°C)	15.4	15.4	13.2	9.7	5.7	4.0	3.4	2.7	4.3	6.4	10.3	12.6	9.7
High Rain (mm)	134.6	113.4	161.0	113.6	131.6	134.7	126.6	99.0	80.8	75.2	87.4	92.5	565.0
Low Rain (mm)	0.0	0.0	0.0	0.0	1.3	5.0	8.7	1.1	0.0	0.0	0.0	0.0	130.3

Merredin Annual Temperatures & Rainfall

Merredin Average Number of Days With Temperatures

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
≥ 40°C	3.6	2.7	0.6	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.2	1.7	8.6
≥ 35°C	13.5	10.9	5.6	0.6	0.0	0.0	0.0	0.0	0.0	0.7	3.7	9.5	44.1
≥ 30°C	24.9	21.3	15.7	5.0	0.3	0.0	0.0	0.0	0.7	5.2	12.2	20.5	105.0
≤ 2°C	0.0	0.0	0.0	0.0	0.8	3.4	5.4	5.7	2.7	0.4	0.0	0.0	18.4
≤ 0°C	0.0	0.0	0.0	0.0	0.2	0.7	1.6	1.6	0.6	0.0	0.0	0.0	4.8

Merredin 'per Week' Values (14th/86th Percentiles)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
High Max	39.3	38.6	35.7	30.4	24.5	20.4	19.0	20.6	24.9	30.0	34.2	37.2	34.0
Low Max	28.6	27.7	25.0	20.6	16.9	14.2	13.5	14.2	16.4	19.7	23.3	26.7	16.4
High Min	22.0	21.9	20.1	16.6	13.1	10.6	9.4	9.4	10.6	13.4	17.3	19.8	18.0
Low Min	13.9	13.9	12.2	8.6	4.5	2.4	1.4	1.4	2.7	5.2	9.3	11.8	4.4

Merredin Data Availability

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Years of Minima	59	59	58	59	59	59	59	59	58	59	59	59	59.0
Earliest Entry	1966	1966	1966	1966	1966	1966	1966	1966	1966	1966	1966	1966	1966
Latest Entry	2025	2025	2025	2024	2024	2024	2024	2024	2024	2024	2024	2024	2025
Years of Maxima	60	59	57	56	59	59	59	59	58	59	59	58	59.0
Earliest Entry	1966	1966	1966	1966	1966	1966	1966	1966	1966	1966	1966	1966	1966
Latest Entry	2025	2025	2025	2024	2024	2024	2024	2024	2024	2024	2024	2024	2025
Years of Rainfall	120	119	119	116	117	117	118	118	117	118	117	117	118.0
Earliest Entry	1904	1904	1905	1907	1907	1907	1907	1907	1907	1907	1907	1907	1904
Latest Entry	2025	2025	2025	2024	2024	2024	2024	2024	2024	2024	2024	2024	2025

Station Details

MERREDIN
Central Wheatbelt, Western Australia

31.4756°S 118.2789°E 315m AMSL
Commenced 1903

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