Port Arthur Climate

Port Arthur Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
18.6 18.9 17.5 15.6 13.4 11.3 11.0 11.7 13.0 14.3 15.6 16.9 14.9
Mean Min (°C)
10.8 11.2 10.5 9.2 7.8 6.1 5.7 5.7 6.3 7.2 8.4 9.6 8.2
Mean Rain (mm)
91.6 63.9 93.2 95.8 85.7 110.9 113.8 124.0 105.4 104.8 83.4 97.7 1168.1
Median Rain (mm)
82.6 46.1 80.6 92.4 79.8 96.8 105.4 122.0 87.2 94.2 82.7 82.4 1151.1
Mean Rain Days
13.8 12.2 14.9 15.7 17.2 17.5 17.0 17.5 17.4 18.0 16.2 15.7 175.7

Port Arthur Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
37.0 36.1 33.2 26.0 22.0 17.8 17.0 19.7 27.0 28.5 30.6 34.4 37.0
Low Max (°C)
10.6 11.0 9.6 7.5 5.0 1.8 4.5 5.2 5.7 7.6 8.0 9.8 1.8
High Min (°C)
22.5 22.5 21.2 18.2 14.9 12.5 11.3 13.0 16.2 16.8 17.8 21.0 22.5
Low Min (°C)
3.0 5.0 2.7 2.2 0.6 -0.4 -0.5 0.6 -0.5 0.5 1.8 3.0 -0.5
High Rain (mm)
92.4 105.0 104.0 68.0 52.0 99.0 92.0 111.0 188.0 64.2 61.6 79.8 188.0

Port Arthur Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
21.5 21.7 19.2 17.4 15.2 12.8 12.4 13.5 15.5 15.7 17.4 20.2 15.4
Low Mn. Max (°C)
16.1 16.6 15.7 13.1 12.3 10.0 9.6 10.2 10.9 13.1 14.5 14.5 14.0
High Mn. Min (°C)
12.2 13.1 11.7 10.9 9.5 7.6 6.8 6.6 8.0 8.3 10.1 10.6 9.0
Low Mn. Min (°C)
9.1 9.7 8.5 7.4 7.1 4.5 4.6 4.7 4.5 6.0 7.1 8.2 7.6
High Rain (mm)
201.4 175.0 313.2 238.0 153.6 226.4 179.2 253.0 202.0 188.2 172.4 327.6 1534.8
Low Rain (mm)
19.0 15.4 29.6 40.6 14.0 42.2 46.6 29.0 30.5 38.8 17.6 16.0 943.0

Port Arthur Annual Temperatures & Rainfall

PORT ARTHUR (PALMERS LOOKOUT)

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

Port Arthur 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
0.1 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2
≥ 30.0°C
0.6 0.6 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.4 1.7
≤ 2.0°C
0.0 0.0 0.0 0.0 0.2 0.9 1.3 1.0 1.5 0.4 0.1 0.0 5.0
≤ 0.0°C
0.0 0.0 0.0 0.0 0.0 0.1 0.1 0.0 0.1 0.0 0.0 0.0 0.2

Port Arthur 'per Week' Values (14th/86th Percentiles)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
23.0 23.0 21.3 19.1 16.5 14.0 13.5 14.4 16.0 17.6 19.3 20.4 19.2
Low Max
14.6 14.8 13.7 12.0 10.3 8.7 8.6 8.9 10.0 11.0 12.0 13.1 10.5
High Min
13.5 13.9 13.2 11.9 10.2 8.7 8.0 7.9 8.9 9.6 11.0 12.0 11.5
Low Min
8.2 8.5 7.7 6.4 5.5 3.5 3.4 3.5 3.7 4.7 5.7 7.1 4.9

Port Arthur Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
25 25 25 24 24 23 24 24 24 24 25 25 24.2
Earliest Entry
1981 1981 1981 1981 1981 1981 1981 1981 1981 1981 1980 1980 1980
Latest Entry
2005 2005 2005 2004 2004 2004 2004 2004 2004 2004 2004 2004 2005
Years of Maxima
25 25 25 24 24 24 24 24 24 24 25 25 24.3
Earliest Entry
1981 1981 1981 1981 1981 1981 1981 1981 1981 1981 1980 1980 1980
Latest Entry
2005 2005 2005 2004 2004 2004 2004 2004 2004 2004 2004 2004 2005
Years of Rainfall
27 26 26 26 26 25 25 25 25 25 25 26 25.5
Earliest Entry
1981 1981 1981 1981 1981 1981 1981 1981 1981 1981 1980 1980 1980
Latest Entry
2007 2006 2007 2009 2009 2006 2007 2007 2005 2005 2006 2006 2009

Station Details

PORT ARTHUR (PALMERS LOOKOUT)
Lower Derwent, Tasmania
43.1639°S 147.8333°E 192m AMSL
Commenced 1980 / Closed 2011
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