Horn Island Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
30.9 30.6 30.5 30.6 30.1 29.5 29.1 29.3 30.3 31.2 32.2 32.1 30.5
Mean Min (°C)
25.2 25.2 25.1 25.3 24.9 24.1 23.3 23.2 24.0 24.8 25.9 25.9 24.7
Mean Rain (mm)
433.2 420.8 360.3 244.8 64.8 14.1 10.3 6.7 5.7 13.3 41.1 181.6 1796.8
Median Rain (mm)
393.4 461.4 366.8 217.8 14.2 9.9 5.6 4.6 2.7 2.1 13.6 127.0 1655.6
Mean Rain Days
22.8 21.3 21.1 16.6 11.8 10.0 9.0 5.7 3.9 4.6 5.4 13.6 144.7

Horn Island Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
36.7 36.0 34.8 33.9 32.2 32.4 31.8 31.8 35.8 35.2 46.7 37.9 46.7
Low Max (°C)
25.5 26.0 26.0 26.3 26.0 25.8 26.6 26.7 27.2 26.4 26.5 27.2 25.5
High Min (°C)
29.0 28.3 29.2 28.8 27.8 26.7 26.2 26.8 27.4 27.8 29.8 29.0 29.8
Low Min (°C)
21.5 21.1 21.1 21.1 17.7 18.1 16.0 15.3 15.1 18.4 19.9 20.3 15.1
High Rain (mm)
154.0 197.0 146.0 182.0 111.0 30.0 36.0 18.0 68.4 103.2 120.0 215.6 215.6

Horn Island Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
32.7 31.7 31.9 31.5 31.1 30.6 30.3 30.8 32.5 32.9 33.2 34.6 31.3
Low Mn. Max (°C)
29.9 29.4 29.5 29.6 28.8 28.4 27.5 28.4 28.5 29.2 30.5 30.4 29.1
High Mn. Min (°C)
26.8 26.2 26.1 26.3 26.4 25.2 25.1 25.1 26.0 26.1 27.1 26.8 25.6
Low Mn. Min (°C)
24.4 24.5 24.3 24.5 23.4 22.4 22.2 21.3 22.5 23.7 24.6 24.8 23.6
High Rain (mm)
773.0 878.6 591.0 726.2 318.0 45.8 40.8 22.4 70.6 120.4 201.8 707.2 2683.8
Low Rain (mm)
58.0 186.8 122.8 6.0 0.6 2.2 1.8 0.0 0.0 0.0 0.0 0.4 1236.2

Horn Island Annual Temperatures & Rainfall

Horn Island annual climate

Horn 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
0.1 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.0 0.2 0.4 0.9
≥ 30°C
23.2 19.8 21.1 22.9 19.3 8.6 4.5 6.7 17.5 27.1 28.6 27.8 226.6
≤ 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

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

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
32.1 31.9 31.8 31.5 30.8 30.3 29.7 29.8 31.1 31.9 32.8 33.1 31.9
Low Max
29.3 28.8 28.8 29.2 29.0 28.5 27.9 28.2 29.1 29.9 30.9 30.1 28.7
High Min
26.3 26.0 26.0 26.3 25.9 25.1 24.4 24.3 25.0 26.2 27.0 27.3 26.1
Low Min
24.0 24.0 23.9 24.2 23.5 22.9 21.8 21.8 22.5 23.4 24.0 24.2 23.1

Horn Island Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
30 29 29 28 27 30 28 30 28 29 29 29 28.0
Earliest Entry
1996 1996 1995 1995 1995 1995 1995 1995 1995 1995 1995 1995 1995
Latest Entry
2025 2025 2025 2024 2024 2024 2024 2024 2024 2024 2024 2024 2025
Years of Maxima
30 30 29 29 28 29 29 29 29 28 27 28 28.0
Earliest Entry
1996 1996 1995 1995 1995 1995 1995 1995 1995 1995 1995 1995 1995
Latest Entry
2025 2025 2025 2024 2024 2024 2024 2024 2024 2024 2024 2024 2025
Years of Rainfall
29 30 28 28 28 29 29 30 29 28 28 27 28.0
Earliest Entry
1996 1996 1996 1995 1995 1995 1995 1995 1995 1995 1996 1996 1995
Latest Entry
2025 2025 2025 2024 2024 2024 2024 2024 2024 2024 2024 2024 2025

Station Details

HORN ISLAND
Peninsula, Queensland
10.5844°S 142.2900°E 4m AMSL
Commenced 1995

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Cyclone Dianne delivers damaging gusts to WA Kimberley

09:53 AEDT Tropical Cyclone Dianne has made landfall during the early hours of Saturday morning along Western Australia's Kimberley coast, bringing with it strong winds and heavy rain.   The cyclone crossed near Cockatoo Island, just north of Derby, as a Category 1 system.

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