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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 21.1 19.6 17.8 16.0 15.3 15.4 16.2 17.5 19.2 20.5 18.6
Mean Min (°C)
16.2 16.6 16.0 15.0 13.8 12.3 11.3 11.2 11.6 12.4 13.6 14.9 13.7
Mean Rain (mm)
13.8 14.0 19.5 32.2 53.8 71.5 75.7 63.7 48.1 27.5 17.9 17.2 453.2
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
4.7 4.2 6.9 10.0 15.3 17.3 18.2 17.7 14.0 9.9 7.1 6.9 123.1

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 33.7 34.3 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 5.2 4.4 4.5 6.1 7.2 8.2 4.4
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 19.0 22.5 22.3 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 16.6 15.3 13.8 12.5 12.7 13.9 13.6 16.0 16.3 14.8
Low Mn. Min (°C)
14.2 14.8 13.9 13.8 12.4 11.3 10.2 9.8 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 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 0.2 2.0
≤ 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 0.0
≤ 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

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
51 53 52 51 51 51 50 50 50 49 49 50 50.5
Earliest Entry
1962 1962 1962 1962 1962 1962 1962 1962 1962 1962 1962 1962 1962
Latest Entry
2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014
Years of Maxima
51 52 52 51 53 52 52 51 52 51 52 51 51.7
Earliest Entry
1962 1962 1962 1962 1962 1962 1962 1962 1962 1962 1962 1962 1962
Latest Entry
2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014
Years of Rainfall
48 49 48 47 48 48 47 49 48 48 49 49 48.1
Earliest Entry
1958 1958 1958 1958 1958 1958 1958 1958 1958 1958 1957 1957 1957
Latest Entry
2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014

Station Details

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

Weather News

SA weather: Power 'gradually' returning after blackout plunged state into darkness

22:27 EST

Power is gradually being turned back on across parts of South Australia but much of the state remains in darkness after a widespread blackout.

Tasmania braces for weather system that battered South Australia

21:18 EST

Tasmanians are being warned to prepare for wind and rains forecast to lash the state on Thursday.

SA weather: State-wide power loss raises 'serious questions', Josh Frydenberg says

21:01 EST

Federal Energy Minister Josh Frydenberg says serious questions will be raised about how the entirety of South Australia could be left without electricity in the wake of a huge storm, dubbed the largest in 50 years.