Murchison Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
39.5 38.7 35.5 30.8 26.2 21.6 21.1 23.2 26.6 30.7 34.1 37.8 30.4
Mean Min (°C)
22.7 23.1 20.6 16.5 11.0 7.5 6.3 7.1 9.8 13.2 16.9 20.6 14.5
Mean Rain (mm)
19.7 31.7 32.3 20.7 16.1 28.4 26.5 19.4 8.1 5.0 6.5 12.9 230.7
Median Rain (mm)
5.5 13.3 12.4 11.2 10.4 19.8 18.1 13.7 4.8 2.1 3.5 5.2 211.8
Mean Rain Days
3.2 4.2 3.9 4.0 4.1 7.0 6.5 5.4 2.9 1.5 2.2 2.8 48.3

Murchison Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
47.2 47.6 45.4 41.0 36.8 31.0 30.0 35.5 39.5 43.0 45.5 46.0 47.6
Low Max (°C)
22.8 23.0 19.8 19.7 16.4 13.2 12.0 14.3 16.7 18.1 21.0 23.9 12.0
High Min (°C)
43.0 34.1 31.1 26.5 22.6 17.8 17.5 19.0 20.5 26.0 28.0 32.5 43.0
Low Min (°C)
13.0 13.0 8.5 5.5 -0.6 -2.4 -6.5 -1.8 0.0 3.5 6.6 9.0 -6.5
High Rain (mm)
47.0 142.5 127.6 56.4 71.2 36.4 41.1 42.2 33.0 21.9 19.8 27.0 142.5

Murchison Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
42.2 42.6 38.3 34.0 29.0 24.1 23.8 27.8 31.1 33.9 37.7 40.5 32.1
Low Mn. Max (°C)
36.0 34.4 31.1 26.6 23.2 19.0 17.5 19.1 22.6 27.4 30.9 35.1 28.6
High Mn. Min (°C)
26.2 27.5 24.0 18.7 15.0 11.6 9.3 9.7 12.9 16.0 19.7 22.7 15.9
Low Mn. Min (°C)
20.9 18.4 17.8 13.3 6.4 4.0 1.5 2.4 7.6 11.0 14.5 18.3 12.7
High Rain (mm)
135.9 183.0 280.6 71.5 98.0 78.2 88.0 93.7 43.0 41.2 24.3 47.4 437.9
Low Rain (mm)
0.0 0.0 0.0 0.0 0.0 0.2 0.1 0.4 0.0 0.0 0.0 0.0 95.9

Murchison Annual Temperatures & Rainfall

Murchison annual climate

Murchison Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40°C
15.4 11.2 4.5 0.1 0.0 0.0 0.0 0.0 0.0 0.3 3.0 10.4 42.3
≥ 35°C
26.2 23.0 17.5 5.6 0.2 0.0 0.0 0.0 0.7 5.6 13.2 22.3 109.8
≥ 30°C
29.2 26.8 26.3 16.7 4.5 0.0 0.0 1.4 6.5 16.0 23.1 28.4 172.6
≤ 2°C
0.0 0.0 0.0 0.0 0.2 2.6 4.2 2.7 0.2 0.0 0.0 0.0 8.2
≤ 0°C
0.0 0.0 0.0 0.0 0.0 0.5 1.3 1.2 0.0 0.0 0.0 0.0 1.9

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

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
43.2 42.6 40.0 35.2 30.0 25.0 24.3 26.9 30.3 35.5 39.0 41.8 39.3
Low Max
35.2 34.0 30.2 25.9 21.8 18.5 17.8 18.7 22.0 25.3 28.7 32.2 21.0
High Min
26.1 26.1 23.6 19.9 16.1 12.6 11.0 11.0 12.6 16.0 20.4 24.4 22.3
Low Min
18.5 19.0 16.0 12.4 6.2 2.6 1.7 2.7 5.7 9.6 13.2 15.7 5.8

Murchison Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
32 35 33 30 33 34 33 32 32 30 30 26 33.0
Earliest Entry
1989 1989 1989 1989 1989 1989 1989 1989 1989 1989 1990 1989 1989
Latest Entry
2025 2025 2025 2024 2024 2024 2024 2024 2024 2024 2024 2024 2025
Years of Maxima
33 36 33 30 32 32 32 32 34 31 32 27 33.0
Earliest Entry
1989 1989 1989 1989 1989 1989 1989 1989 1989 1989 1990 1989 1989
Latest Entry
2025 2025 2025 2024 2024 2024 2024 2024 2024 2024 2024 2024 2025
Years of Rainfall
35 37 37 36 34 35 35 37 37 36 36 33 35.0
Earliest Entry
1988 1988 1988 1988 1988 1988 1987 1987 1987 1987 1987 1987 1987
Latest Entry
2025 2025 2025 2024 2024 2024 2024 2024 2024 2024 2024 2024 2025

Station Details

MURCHISON
Gascoyne, Western Australia
26.8956°S 115.9567°E 287m AMSL
Commenced 1987

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