McArthur River Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
36.0 35.4 35.4 34.9 32.6 30.1 30.1 32.4 35.5 38.1 38.7 37.9 34.8
Mean Min (°C)
25.1 24.8 23.7 20.7 16.8 13.1 12.3 13.6 17.3 21.4 24.2 25.2 19.8
Mean Rain (mm)
208.9 185.7 141.5 32.1 6.1 1.6 2.5 0.3 4.5 19.2 54.8 129.4 773.6
Median Rain (mm)
170.0 162.1 109.2 14.4 0.4 0.0 0.0 0.0 0.0 1.6 37.2 88.6 669.5
Mean Rain Days
14.3 13.5 10.7 3.5 1.1 0.5 0.4 0.3 0.7 2.1 6.0 10.0 62.0

McArthur River Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
45.0 45.3 43.4 40.2 37.7 35.7 36.2 38.4 40.9 43.7 44.3 46.0 46.0
Low Max (°C)
24.5 25.1 24.8 22.2 20.2 17.7 16.9 20.0 22.9 28.0 28.3 25.8 16.9
High Min (°C)
32.6 30.0 29.3 27.3 25.7 23.7 23.2 23.7 29.5 29.4 29.9 32.3 32.6
Low Min (°C)
16.0 17.0 13.8 7.5 3.2 1.6 1.0 2.7 6.0 9.3 14.5 16.5 1.0
High Rain (mm)
196.4 197.6 274.4 162.2 86.4 15.0 49.0 11.6 48.4 90.6 200.4 122.4 274.4

McArthur River Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
40.0 39.9 39.6 37.5 34.8 32.7 33.0 34.7 37.2 39.8 40.7 41.6 36.0
Low Mn. Max (°C)
31.5 32.1 32.3 31.3 30.1 26.6 27.5 30.4 32.3 35.8 35.8 34.5 33.1
High Mn. Min (°C)
26.4 27.0 25.4 23.1 22.1 17.4 17.5 15.7 22.0 24.6 26.5 27.4 21.9
Low Mn. Min (°C)
22.0 23.0 20.5 17.0 13.0 9.0 8.8 9.3 12.0 16.9 22.1 22.9 17.4
High Rain (mm)
782.3 660.9 562.1 213.6 160.1 18.2 56.6 12.6 89.6 184.6 266.0 435.2 1604.0
Low Rain (mm)
10.1 5.2 5.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 4.4 8.8 293.6

McArthur River Annual Temperatures & Rainfall

McArthur River annual climate

McArthur River Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40°C
3.3 1.7 1.3 0.0 0.0 0.0 0.0 0.0 0.2 5.5 8.8 7.3 26.5
≥ 35°C
19.1 15.9 19.4 16.5 3.7 0.3 0.4 3.9 18.7 27.7 26.8 24.9 171.5
≥ 30°C
28.7 26.0 28.8 28.1 25.8 16.8 17.6 25.9 28.1 29.4 28.6 29.3 299.9
≤ 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

McArthur River 'per Week' Values (14th/86th Percentiles)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
39.4 38.5 37.6 36.7 34.7 32.6 32.5 34.5 37.6 40.0 40.7 40.7 38.8
Low Max
32.2 31.7 32.3 32.9 29.8 26.9 27.0 29.5 33.0 35.6 36.6 34.8 30.2
High Min
26.6 26.2 25.2 23.4 20.7 17.4 16.8 17.7 21.7 24.6 26.7 27.2 25.4
Low Min
23.3 23.3 21.2 17.1 12.4 7.7 7.1 9.2 12.8 17.4 21.5 23.0 12.4

McArthur River Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
42 44 43 42 42 45 41 42 39 42 43 39 40.0
Earliest Entry
1969 1969 1969 1969 1969 1969 1969 1969 1969 1969 1969 1969 1969
Latest Entry
2024 2024 2024 2024 2024 2024 2024 2024 2024 2024 2024 2023 2024
Years of Maxima
41 45 43 42 42 45 43 42 38 41 42 39 41.0
Earliest Entry
1969 1969 1969 1969 1969 1969 1969 1969 1969 1969 1969 1969 1969
Latest Entry
2024 2024 2024 2024 2024 2024 2024 2024 2024 2024 2024 2023 2024
Years of Rainfall
53 52 51 53 52 53 53 52 51 52 51 49 50.0
Earliest Entry
1969 1969 1968 1968 1968 1968 1968 1968 1968 1968 1968 1968 1968
Latest Entry
2024 2024 2024 2024 2024 2024 2024 2024 2024 2024 2024 2023 2024

Station Details

MCARTHUR RIVER MINE AIRPORT
Roper-McArthur, Northern Territory
16.4423°S 136.0760°E 40m AMSL
Commenced 1968

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