Groote Eylandt Airport Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
33.5 33.1 32.8 32.5 31.0 29.1 28.8 30.2 32.6 34.3 34.6 34.4 32.2
Mean Min (°C)
25.4 25.1 24.0 21.9 19.4 17.2 15.7 15.4 18.0 21.2 23.7 25.1 21.0
Mean Rain (mm)
245.0 234.5 298.6 148.5 30.4 4.6 2.5 1.1 7.6 26.4 124.8 190.9 1302.1
Median Rain (mm)
200.1 255.4 320.0 68.6 17.0 1.6 0.8 0.4 0.6 19.6 85.4 138.8 1350.2
Mean Rain Days
18.3 16.9 18.8 13.9 7.2 3.7 2.5 1.8 2.2 4.0 9.8 14.2 112.6

Groote Eylandt Airport Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
38.8 38.7 38.6 36.1 34.8 33.0 33.0 34.1 36.6 39.1 40.0 40.7 40.7
Low Max (°C)
26.8 26.3 26.0 26.1 22.6 21.4 21.8 21.5 25.8 26.3 28.1 27.5 21.4
High Min (°C)
30.2 29.9 29.7 27.0 26.1 25.1 24.6 25.3 26.7 28.3 29.8 30.0 30.2
Low Min (°C)
21.0 18.8 17.0 13.7 10.6 7.0 7.0 7.7 8.4 11.8 16.0 18.5 7.0
High Rain (mm)
140.0 119.0 431.0 111.6 137.6 25.6 24.0 11.6 63.2 63.0 88.0 136.8 431.0

Groote Eylandt Airport Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
35.4 35.3 34.9 34.6 32.3 30.7 30.5 31.7 33.5 35.7 36.5 36.6 33.1
Low Mn. Max (°C)
31.7 31.6 31.4 30.3 29.5 26.6 26.6 29.1 31.3 33.1 32.8 33.0 31.5
High Mn. Min (°C)
26.7 26.4 25.4 24.0 22.8 19.7 20.5 17.9 21.0 24.5 25.1 26.7 22.2
Low Mn. Min (°C)
24.1 23.9 22.1 18.9 16.1 12.3 13.1 13.3 15.6 18.0 22.1 23.9 19.9
High Rain (mm)
577.0 507.2 902.2 445.8 201.6 30.2 25.4 11.8 76.4 80.4 275.0 498.2 1949.4
Low Rain (mm)
89.0 79.0 64.8 0.0 0.0 0.0 0.0 0.0 0.0 0.0 19.2 18.6 783.0

Groote Eylandt Airport Annual Temperatures & Rainfall

Groote Eylandt Airport annual climate

Groote Eylandt Airport 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 0.1 0.1
≥ 35°C
7.3 5.1 3.0 1.9 0.0 0.0 0.0 0.0 2.5 9.9 12.7 12.8 55.6
≥ 30°C
29.1 26.5 28.6 26.9 24.0 12.4 10.8 19.5 28.1 30.4 29.2 29.8 292.1
≤ 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

Groote Eylandt Airport 'per Week' Values (14th/86th Percentiles)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
35.0 35.0 34.0 34.0 33.0 31.0 30.9 31.9 34.0 36.0 36.1 36.5 34.8
Low Max
31.0 31.0 31.0 30.6 29.0 27.0 27.0 28.1 31.0 32.6 32.9 32.0 29.0
High Min
26.5 26.4 25.0 24.0 22.5 21.0 19.0 19.0 21.0 23.5 25.6 27.0 25.0
Low Min
24.0 24.0 21.8 19.3 15.0 12.4 11.0 12.3 15.0 18.1 21.3 23.4 15.0

Groote Eylandt Airport Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
26 26 24 24 25 24 26 26 26 26 26 25 25.0
Earliest Entry
2000 2000 2000 2000 1999 1999 1999 1999 1999 1999 1999 1999 1999
Latest Entry
2025 2025 2025 2024 2024 2024 2024 2024 2024 2024 2024 2024 2025
Years of Maxima
26 26 23 24 25 24 26 26 26 26 26 25 25.0
Earliest Entry
2000 2000 2000 2000 1999 1999 1999 1999 1999 1999 1999 1999 1999
Latest Entry
2025 2025 2025 2024 2024 2024 2024 2024 2024 2024 2024 2024 2025
Years of Rainfall
26 26 24 24 25 24 26 26 26 26 26 25 25.0
Earliest Entry
2000 2000 2000 2000 1999 1999 1999 1999 1999 1999 1999 1999 1999
Latest Entry
2025 2025 2025 2024 2024 2024 2024 2024 2024 2024 2024 2024 2025

Station Details

GROOTE EYLANDT AIRPORT
Arnhem, Northern Territory
13.9746°S 136.4630°E 14m AMSL
Commenced 1999

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