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Swan Island Climate

Swan Island Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
20.8 21.1 20.5 18.2 15.9 14.1 13.3 13.6 14.6 15.9 17.7 19.3 17.1
Mean Min (°C)
14.7 15.4 14.4 12.8 10.8 9.3 8.4 8.5 9.2 10.1 11.8 13.3 11.6
Mean Rain (mm)
45.0 40.4 58.0 51.7 49.3 56.8 63.0 65.4 60.2 50.5 69.9 52.4 664.5
Median Rain (mm)
27.0 41.2 28.8 38.1 33.6 61.8 56.5 51.8 47.2 50.8 57.3 25.6 619.9
Mean Rain Days
7.2 8.2 8.9 12.8 13.9 17.6 18.2 17.8 14.1 12.1 11.6 9.6 141.2

Swan Island Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
31.9 30.2 29.7 24.5 21.6 18.0 17.6 18.1 21.4 23.0 26.8 28.4 31.9
Low Max (°C)
16.5 14.9 14.2 13.1 12.3 10.1 9.7 9.8 10.5 11.2 12.5 13.1 9.7
High Min (°C)
19.6 19.9 20.2 18.8 16.1 15.2 13.4 12.8 13.7 14.6 16.4 17.8 20.2
Low Min (°C)
8.6 8.7 6.8 6.2 4.3 2.8 3.1 2.2 3.1 3.8 4.6 6.7 2.2
High Rain (mm)
160.8 54.2 121.2 53.6 51.2 32.8 56.2 41.0 28.0 34.8 80.4 62.4 160.8

Swan Island Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
21.9 22.3 22.1 19.0 17.1 15.2 14.0 14.1 15.7 16.6 18.9 20.3 17.7
Low Mn. Max (°C)
19.3 19.8 19.2 16.4 14.4 13.0 12.5 13.1 13.3 14.5 16.7 18.2 16.5
High Mn. Min (°C)
15.6 16.8 15.5 13.8 12.4 10.3 9.3 9.9 10.5 11.2 13.1 14.3 11.9
Low Mn. Min (°C)
13.5 14.2 13.1 10.4 9.0 7.6 7.6 7.2 7.8 8.9 10.7 11.9 10.8
High Rain (mm)
182.0 130.4 183.4 100.4 176.8 96.2 109.2 147.6 100.0 90.6 145.2 118.2 950.8
Low Rain (mm)
6.2 5.0 16.6 28.8 13.0 16.2 14.0 9.2 35.6 9.4 21.0 5.4 306.8

Swan Island Annual Temperatures & Rainfall

SWAN ISLAND

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

Swan 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 0.0
≥ 30.0°C
0.1 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1
≤ 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 0.0
≤ 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

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

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
23.1 22.9 22.2 20.1 17.6 15.7 14.3 14.5 15.8 17.7 19.5 21.2 20.7
Low Max
18.5 18.8 18.3 16.2 13.9 12.5 11.9 12.3 13.0 14.1 15.4 17.3 13.3
High Min
16.8 17.4 16.5 15.1 13.7 12.0 10.7 10.7 11.0 12.3 13.8 15.4 15.2
Low Min
12.3 13.0 11.7 10.2 8.1 6.6 6.1 5.8 6.7 7.7 9.7 10.7 7.8

Swan Island Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
13 13 13 13 13 13 13 13 13 13 14 14 13.1
Earliest Entry
2002 2002 2002 2002 2002 2002 2002 2002 2002 2001 2001 2001 2001
Latest Entry
2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014
Years of Maxima
13 13 13 13 13 13 13 13 13 13 14 14 13.1
Earliest Entry
2002 2002 2002 2002 2002 2002 2002 2002 2002 2001 2001 2001 2001
Latest Entry
2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014
Years of Rainfall
12 12 13 13 13 13 13 13 12 12 13 13 12.5
Earliest Entry
2002 2002 2002 2002 2002 2002 2002 2002 2002 2001 2001 2001 2001
Latest Entry
2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014

Station Details

SWAN ISLAND
Northeast, Tasmania
40.7292°S 148.1250°E 15m AMSL
Commenced 2001
Display Your Local Weather

Weather News

More stormy weather expected for Victoria

14:28 EST

Damaging winds are forecast to affect Victoria for the second time in two days as a cold front moves into the Bight.

A few days of relief on the way for SA

14:16 EST

As the last in a string of cold fronts makes its way across southern South Australia, a high pressure ridge will calm the skies until the weekend.

Adelaide weather: Flood watch for Hills, Sealink ferries cancelled as cold front approaches SA

12:35 EST

A flood watch is current in the Mount Lofty Ranges near Adelaide as another cold front approaches the region.