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Elcho Island Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
31.8 31.2 31.5 32.2 31.7 30.3 30.0 30.8 32.2 33.1 33.4 32.8 31.8
Mean Min (°C)
25.4 25.2 24.7 23.8 22.4 20.3 19.4 19.6 21.1 23.0 25.0 25.7 23.0
Mean Rain (mm)
345.0 324.8 273.7 150.1 30.2 7.4 2.7 0.8 1.5 11.3 63.8 216.3 1428.6
Median Rain (mm)
319.5 301.7 248.3 97.0 14.0 1.4 0.4 0.0 0.0 1.3 25.7 178.2 1432.4
Mean Rain Days
18.2 18.6 17.5 11.2 5.0 2.0 1.6 1.3 1.0 1.5 5.1 13.0 91.5

Elcho Island Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
36.4 37.7 38.3 36.6 35.2 35.4 33.3 35.8 36.7 38.6 38.1 37.6 38.6
Low Max (°C)
25.4 25.0 23.6 25.0 24.3 23.2 23.2 23.6 27.9 27.5 24.9 26.6 23.2
High Min (°C)
29.7 30.4 29.6 28.1 26.6 25.9 24.5 24.8 25.8 28.2 30.1 30.3 30.4
Low Min (°C)
20.5 21.0 20.0 18.3 16.2 14.3 12.9 12.0 15.3 14.0 18.9 21.1 12.0
High Rain (mm)
171.8 220.6 249.0 157.0 72.6 45.0 17.8 10.8 19.6 70.6 344.2 175.5 344.2

Elcho Island Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
33.3 33.8 33.1 33.8 33.1 32.2 31.8 32.7 34.1 34.9 34.7 34.5 32.7
Low Mn. Max (°C)
30.3 29.3 30.0 30.3 30.1 28.4 27.6 29.2 31.0 31.6 32.3 30.6 30.8
High Mn. Min (°C)
26.3 26.5 25.9 24.9 23.9 22.1 21.6 21.0 23.3 25.0 26.8 27.2 24.1
Low Mn. Min (°C)
24.3 24.1 23.7 22.5 20.7 18.6 17.8 18.0 19.6 19.2 22.5 23.5 21.9
High Rain (mm)
953.8 834.8 684.1 477.7 173.2 69.3 20.2 19.6 21.3 71.6 571.4 647.2 2216.5
Low Rain (mm)
112.1 93.4 27.2 6.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 11.2 464.8

Elcho Island Annual Temperatures & Rainfall

GALIWINKU

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

Elcho Island Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40°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
≥ 35°C
0.7 0.3 0.3 0.2 0.1 0.0 0.0 0.1 0.9 3.8 3.5 2.1 11.4
≥ 30°C
25.8 21.9 24.4 25.7 27.3 18.9 16.4 22.7 27.8 29.2 29.1 28.1 281.2
≤ 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

Elcho Island 'per Week' Values (14th/86th Percentiles)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
33.6 32.8 33.3 33.7 33.1 31.8 31.5 32.3 33.8 34.8 34.7 34.4 33.7
Low Max
29.9 29.4 29.6 30.6 30.2 28.7 28.3 29.4 30.6 31.4 32.2 31.0 29.7
High Min
27.4 26.9 25.8 24.9 24.0 22.3 21.3 21.2 22.8 24.7 27.0 28.0 25.7
Low Min
23.9 23.8 23.5 22.7 20.6 18.3 17.3 17.8 19.4 21.2 23.2 23.9 19.7

Elcho Island Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
38 37 37 36 35 35 36 35 35 35 38 37 36.1
Earliest Entry
1966 1966 1966 1966 1966 1966 1966 1966 1966 1966 1966 1966 1966
Latest Entry
2005 2005 2004 2004 2004 2004 2004 2004 2004 2004 2004 2004 2005
Years of Maxima
38 38 36 36 37 36 37 36 36 35 38 38 36.7
Earliest Entry
1966 1966 1966 1966 1966 1966 1966 1966 1966 1966 1966 1966 1966
Latest Entry
2005 2005 2004 2004 2004 2004 2004 2004 2004 2004 2004 2004 2005
Years of Rainfall
61 61 61 62 61 62 62 61 60 61 63 63 61.4
Earliest Entry
1938 1938 1938 1938 1938 1938 1938 1938 1938 1937 1937 1937 1937
Latest Entry
2005 2005 2005 2004 2004 2004 2004 2004 2004 2004 2004 2004 2005

Station Details

GALIWINKU
Arnhem, Northern Territory
12.0280°S 135.5648°E 18m AMSL
Commenced 1937 / Closed 2005

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