Neptune Island Climate

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 15.3 16.2 17.6 19.2 20.6 18.6
Mean Min (°C)
16.2 16.7 16.1 15.1 13.8 12.3 11.4 11.2 11.6 12.4 13.6 14.9 13.8
Mean Rain (mm)
14.1 14.4 18.1 30.3 52.1 70.4 74.3 63.9 47.5 26.2 18.3 17.5 447.6
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 10.0 15.3 17.4 18.6 18.5 14.5 10.1 7.1 6.9 133.7

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 43.8 30.2 65.4 36.0 63.8 22.8 129.5

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 16.8 17.9 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 12.7 13.9 13.6 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 14.2 19.3 28.4 18.8 10.4 0.0 0.6 1.0 294.8

Neptune Island Annual Temperatures & Rainfall

NEPTUNE ISLAND

Mean daily minimum temp
Mean daily maximum temp
Highest/lowest on record
Highest/lowest on record
Mean monthly rainfall

Neptune Island Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40.0°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
≥ 35.0°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 0.1
≥ 30.0°C
0.8 0.7 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 0.3 2.1
≤ 2.0°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 0.1
≤ 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

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
55 57 57 57 58 57 54 53 55 52 53 53 55.0
Earliest Entry
1962 1962 1962 1962 1962 1962 1962 1962 1962 1962 1962 1962 1962
Latest Entry
2021 2021 2021 2021 2021 2021 2021 2020 2020 2020 2020 2020 2021
Years of Maxima
56 57 57 55 59 57 56 55 55 54 56 55 56.0
Earliest Entry
1962 1962 1962 1962 1962 1962 1962 1962 1962 1962 1962 1962 1962
Latest Entry
2021 2021 2021 2021 2021 2021 2021 2020 2020 2020 2020 2020 2021
Years of Rainfall
52 53 53 51 52 52 52 51 50 50 51 52 51.0
Earliest Entry
1958 1958 1958 1958 1958 1958 1958 1958 1958 1958 1957 1957 1957
Latest Entry
2021 2021 2021 2021 2021 2021 2021 2019 2020 2020 2020 2020 2021

Station Details

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

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