McArthur River Climate

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 30.0 30.1 32.2 35.4 38.0 38.8 37.8 34.7
Mean Min (°C)
25.0 24.8 23.6 20.6 16.8 13.0 12.3 13.4 17.2 21.2 24.3 25.2 19.8
Mean Rain (mm)
212.7 189.8 143.0 33.9 6.6 1.6 2.1 0.3 4.7 19.5 50.4 127.5 778.5
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
14.1 13.5 10.8 3.5 1.2 0.5 0.3 0.3 0.7 2.0 5.9 9.9 61.7

McArthur River Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
45.0 45.3 42.4 40.0 37.7 35.6 35.9 37.9 40.6 43.7 44.3 46.0 46.0
Low Max (°C)
24.5 25.1 24.8 22.2 20.2 17.7 18.2 20.0 22.9 28.0 28.3 25.8 17.7
High Min (°C)
32.6 30.0 29.3 27.3 25.7 23.7 23.2 23.7 26.1 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)
196.4 197.6 124.1 162.2 86.4 15.0 49.0 11.6 48.4 90.6 200.4 122.4 200.4

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 38.6 37.5 34.8 32.7 33.0 34.3 37.1 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)
26.2 27.0 25.4 23.1 22.1 17.4 17.5 15.7 22.0 23.7 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 MINE AIRPORT

Mean daily minimum temp
Mean daily maximum temp
Highest/lowest on record
Highest/lowest on record
Mean monthly rainfall

McArthur River Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40.0°C
3.4 1.7 1.1 0.0 0.0 0.0 0.0 0.0 0.1 4.9 8.9 7.0 25.7
≥ 35.0°C
19.1 15.9 19.1 16.4 3.9 0.1 0.3 3.5 18.3 27.4 26.9 24.8 169.1
≥ 30.0°C
28.5 26.0 28.8 27.9 25.6 16.3 17.3 25.6 28.0 29.2 28.5 29.2 297.2
≤ 2.0°C
0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.0 0.0 0.0 0.0 0.0 0.1
≤ 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
39 41 40 38 38 41 37 38 36 38 40 36 37.0
Earliest Entry
1969 1969 1969 1969 1969 1969 1969 1969 1969 1969 1969 1969 1969
Latest Entry
2021 2021 2021 2021 2020 2020 2020 2020 2020 2020 2020 2020 2021
Years of Maxima
38 42 41 38 38 41 39 38 35 37 39 36 38.0
Earliest Entry
1969 1969 1969 1969 1969 1969 1969 1969 1969 1969 1969 1969 1969
Latest Entry
2021 2021 2021 2021 2020 2020 2020 2020 2020 2020 2020 2020 2021
Years of Rainfall
50 49 49 49 48 49 49 48 48 48 48 46 47.0
Earliest Entry
1969 1969 1968 1968 1968 1968 1968 1968 1968 1968 1968 1968 1968
Latest Entry
2021 2021 2021 2021 2020 2020 2020 2020 2020 2020 2020 2020 2021

Station Details

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