Neptune Island Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
22.1 22.3 21.2 19.6 17.8 16.0 15.3 15.4 16.3 17.6 19.2 20.6 18.6
Mean Min (°C)
16.3 16.7 16.1 15.1 13.8 12.3 11.4 11.2 11.7 12.4 13.6 14.9 13.8
Mean Rain (mm)
14.2 13.9 17.6 30.0 51.5 71.0 74.2 62.9 46.0 26.4 18.6 17.6 446.1
Median Rain (mm)
7.6 5.4 13.0 24.8 47.4 60.1 67.2 65.6 42.8 19.7 15.4 14.6 424.6
Mean Rain Days
4.8 4.3 6.8 10.1 15.3 17.6 18.7 18.5 14.4 10.1 7.3 6.8 134.4

Neptune Island Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
36.9 36.8 34.6 29.4 24.0 21.7 22.5 25.9 27.6 28.8 34.4 35.1 36.9
Low Max (°C)
15.0 16.6 15.5 14.4 12.5 10.3 10.4 10.6 11.7 12.4 13.2 15.0 10.3
High Min (°C)
23.3 23.2 22.2 20.5 19.7 17.8 16.0 15.7 17.0 18.0 20.7 21.5 23.3
Low Min (°C)
9.4 8.9 9.0 6.1 6.7 6.4 5.0 -1.0 -1.0 6.1 7.2 8.2 -1.0
High Rain (mm)
129.5 48.4 60.8 41.0 32.8 44.8 47.0 30.2 65.4 36.0 63.8 32.2 129.5

Neptune Island Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
23.9 24.7 23.4 21.1 19.2 17.2 16.5 17.3 18.3 19.3 22.5 23.9 19.7
Low Mn. Max (°C)
19.6 19.4 19.6 17.7 16.6 14.8 14.2 13.5 14.3 15.9 16.8 18.1 17.6
High Mn. Min (°C)
17.9 18.6 18.3 16.7 15.3 13.8 12.5 13.0 13.9 13.9 16.0 16.7 14.8
Low Mn. Min (°C)
14.2 14.8 13.9 13.8 12.4 11.2 10.2 9.4 10.0 10.7 12.4 13.1 13.1
High Rain (mm)
144.2 74.1 87.8 151.4 104.7 154.8 146.4 131.2 143.4 84.6 74.0 68.2 642.9
Low Rain (mm)
0.0 0.0 0.0 1.4 5.8 19.3 28.4 18.8 10.4 0.0 0.6 0.0 294.8

Neptune Island Annual Temperatures & Rainfall

Neptune Island annual climate

Neptune 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
0.8 0.7 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 0.3 2.0
≤ 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 0.1
≤ 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

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

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
24.8 25.0 23.6 21.5 19.5 17.5 16.9 17.0 18.0 20.0 21.8 23.3 22.0
Low Max
19.4 19.5 18.9 17.3 15.9 14.5 13.7 13.5 14.1 15.0 16.7 17.8 15.0
High Min
18.0 18.4 17.8 16.7 15.5 13.9 12.9 12.8 13.3 14.0 15.4 16.7 16.5
Low Min
14.4 15.0 14.2 13.3 12.0 10.6 9.8 9.5 9.8 10.6 11.7 13.0 11.0

Neptune Island Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
58 60 60 60 61 60 58 57 59 56 56 56 58.0
Earliest Entry
1962 1962 1962 1962 1962 1962 1962 1962 1962 1962 1962 1962 1962
Latest Entry
2024 2024 2024 2024 2024 2024 2024 2024 2024 2024 2024 2023 2024
Years of Maxima
59 60 60 58 62 60 60 59 59 58 59 58 59.0
Earliest Entry
1962 1962 1962 1962 1962 1962 1962 1962 1962 1962 1962 1962 1962
Latest Entry
2024 2024 2024 2024 2024 2024 2024 2024 2024 2024 2024 2023 2024
Years of Rainfall
54 56 56 54 55 55 56 55 54 54 54 55 54.0
Earliest Entry
1958 1958 1958 1958 1958 1958 1958 1958 1958 1958 1957 1957 1957
Latest Entry
2024 2024 2024 2024 2024 2024 2024 2024 2024 2024 2024 2023 2024

Station Details

NEPTUNE ISLAND
Lower Eyre Peninsula, South Australia
35.3365°S 136.1174°E 32m AMSL
Commenced 1957

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Adelaide Test forecast: Showery first day, then fine

17:22 AEDT Dark clouds are looming over the Australian batting order at present, but after a potentially showery first day, the weather should clear up for the last four days of the second men's day-night cricket Test between Australia and India at the Adelaide Oval starting this Friday, December 6.

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