Hamilton Island Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
29.9 29.6 28.9 27.0 24.3 22.3 21.5 22.9 25.3 27.4 28.7 29.9 26.4
Mean Min (°C)
24.9 24.8 24.4 22.9 20.6 18.9 18.0 18.5 20.2 22.1 23.4 24.6 21.9
Mean Rain (mm)
294.2 294.5 249.9 161.1 97.8 58.6 53.4 25.8 25.7 28.9 76.9 163.3 1441.6
Median Rain (mm)
289.4 286.4 149.3 143.2 65.4 38.0 25.9 9.9 9.1 10.0 24.8 55.5 1137.1
Mean Rain Days
17.4 17.8 18.7 17.0 15.1 12.7 11.0 7.7 6.2 6.0 8.4 11.0 146.6

Hamilton Island Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
34.5 35.6 43.5 31.3 29.0 28.4 26.8 28.4 31.7 31.9 34.2 35.6 43.5
Low Max (°C)
25.2 25.4 23.9 21.8 17.2 16.8 15.5 17.3 20.7 23.6 23.8 24.4 15.5
High Min (°C)
28.5 28.2 28.7 26.5 24.4 22.6 22.0 21.8 23.8 25.8 27.2 27.5 28.7
Low Min (°C)
21.0 20.5 19.1 18.4 13.9 13.3 12.1 13.6 15.1 18.0 19.4 19.2 12.1
High Rain (mm)
266.0 322.2 149.2 91.2 102.0 69.8 85.4 45.0 90.6 57.2 233.2 159.8 322.2

Hamilton Island Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
30.9 31.0 30.4 28.7 26.5 24.0 23.3 24.4 26.5 29.1 29.8 31.7 27.2
Low Mn. Max (°C)
28.6 27.9 26.5 25.6 22.8 20.9 19.5 21.1 23.7 25.7 26.5 28.8 25.6
High Mn. Min (°C)
26.5 25.9 26.1 24.4 23.0 20.4 19.5 19.8 21.7 23.3 24.4 25.8 22.6
Low Mn. Min (°C)
24.2 23.6 22.8 21.5 19.2 17.1 16.2 17.1 19.0 20.6 22.0 24.1 21.1
High Rain (mm)
858.2 833.2 842.6 340.0 230.2 175.2 215.4 92.8 175.0 105.0 686.8 612.6 2529.0
Low Rain (mm)
32.0 22.9 15.8 24.8 13.0 7.2 0.2 0.4 0.2 0.2 3.2 8.6 415.2

Hamilton Island Annual Temperatures & Rainfall

Hamilton Island annual climate

Hamilton 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
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1
≥ 30°C
14.6 11.6 6.1 1.1 0.0 0.0 0.0 0.0 0.1 2.0 5.4 14.9 55.0
≤ 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

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

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
31.3 30.8 29.8 28.3 26.0 24.1 23.2 24.9 27.3 29.2 30.3 31.6 30.0
Low Max
28.3 27.7 26.8 25.4 22.9 20.6 19.8 21.0 23.4 25.8 27.3 28.9 22.2
High Min
26.0 26.2 25.4 24.1 22.1 20.4 19.3 19.8 21.6 23.4 24.4 26.0 25.0
Low Min
23.2 23.4 22.6 21.2 19.1 17.5 16.4 16.9 18.5 20.7 22.0 23.2 18.3

Hamilton Island Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
23 22 20 21 22 22 23 22 23 22 23 22 22.0
Earliest Entry
2003 2003 2002 2002 2002 2002 2002 2002 2002 2002 2002 2002 2002
Latest Entry
2025 2025 2025 2024 2024 2024 2024 2024 2024 2024 2024 2024 2025
Years of Maxima
23 22 21 21 22 22 23 23 23 22 22 22 22.0
Earliest Entry
2003 2003 2002 2002 2002 2002 2002 2002 2002 2002 2002 2002 2002
Latest Entry
2025 2025 2025 2024 2024 2024 2024 2024 2024 2024 2024 2024 2025
Years of Rainfall
23 22 21 22 22 22 23 23 23 22 23 22 22.0
Earliest Entry
2003 2003 2002 2002 2002 2002 2002 2002 2002 2002 2002 2002 2002
Latest Entry
2025 2025 2025 2024 2024 2024 2024 2024 2024 2024 2024 2024 2025

Station Details

HAMILTON ISLAND AIRPORT
Central Coast, Queensland
20.3658°S 148.9536°E 59m AMSL
Commenced 2002

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