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)
437.2 423.3 360.3 245.9 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 21.1 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)
773.0 878.6 591.0 726.2 318.0 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 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 29 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 2024 2023 2023 2023 2023 2023 2023 2023 2023 2024
Years of Maxima
29 29 29 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 2024 2023 2023 2023 2023 2023 2023 2023 2023 2024
Years of Rainfall
28 29 28 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 2024 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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Decent rain en route to bone-dry southwest WA

14:29 AEST Welcome rain is coming to the parched southwest WA this week, possibly including Perth and Bunbury which are both having their driest 7 months on record.  Many locations in the southwest will see the driest April on record, with much of this rainfall likely to contribute to May’s totals, as a cold front approaches the state on later in the week.  Rainfall and thunderstorms are forecast in the Gascoyne region on Monday afternoon, before shifting to the Central West, Lower West and Central Wheatbelt regions on Tuesday.

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