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 31.1 32.1 32.1 30.5
Mean Min (°C)
25.2 25.2 25.1 25.3 24.9 24.1 23.4 23.2 24.0 24.8 25.8 25.9 24.7
Mean Rain (mm)
437.2 423.3 351.7 245.9 63.4 14.5 10.4 6.8 5.3 13.5 42.4 184.8 1783.8
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
22.7 21.3 21.0 16.4 11.4 10.2 8.9 5.7 3.5 4.5 5.4 13.5 143.3

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 26.8 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)
773.0 878.6 579.2 726.2 318.0 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 1.0
≥ 30°C
23.1 19.8 21.1 22.9 19.3 8.4 4.5 6.2 17.1 27.0 28.5 27.8 225.2
≤ 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

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
29 28 28 27 26 29 27 29 27 28 28 28 27.0
Earliest Entry
1996 1996 1995 1995 1995 1995 1995 1995 1995 1995 1995 1995 1995
Latest Entry
2024 2024 2024 2023 2023 2023 2023 2023 2023 2023 2023 2023 2024
Years of Maxima
29 29 28 28 27 28 28 28 28 27 26 27 27.0
Earliest Entry
1996 1996 1995 1995 1995 1995 1995 1995 1995 1995 1995 1995 1995
Latest Entry
2024 2024 2024 2023 2023 2023 2023 2023 2023 2023 2023 2023 2024
Years of Rainfall
28 29 27 27 27 28 28 29 28 27 27 26 27.0
Earliest Entry
1996 1996 1996 1995 1995 1995 1995 1995 1995 1995 1996 1996 1995
Latest Entry
2024 2024 2024 2023 2023 2023 2023 2023 2023 2023 2023 2023 2024

Station Details

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

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Winter is Coming: Chilly day for Sydney, rain pelts eastern seaboard

17:22 AEST Just as we forecast yesterday, a coastal trough has deepened along the NSW and southeast Qld coasts as a low in the Coral Sea continues to inch closer to Qld.  The trough has brought some interesting weather to NSW in the past 36 hours or so, particularly along the coastal fringe, giving those New South Welshmen a “Stark” Game of Thrones reminder: winter is coming.

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