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Shannon Hec Climate

Shannon Hec Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
18.0 18.2 15.4 12.0 8.6 6.5 5.4 6.5 8.6 11.5 13.6 15.6 11.6
Mean Min (°C)
5.9 6.1 4.7 2.8 1.1 -0.5 -1.3 -0.9 0.1 1.7 3.1 4.6 2.2
Mean Rain (mm)
45.5 50.7 53.5 76.6 72.5 74.2 82.6 90.2 78.3 75.3 70.1 66.8 835.7
Median Rain (mm)
37.4 40.5 44.1 63.5 61.8 63.1 79.8 83.3 66.2 66.0 65.6 65.1 783.3
Mean Rain Days
10.4 9.9 12.1 15.1 18.3 18.3 19.1 18.9 17.4 16.3 14.9 13.3 180.2

Shannon Hec Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
33.4 30.7 29.9 23.3 18.7 15.6 11.5 16.0 22.8 24.0 27.8 29.7 33.4
Low Max (°C)
6.1 4.3 3.9 1.7 -0.5 -1.5 -1.7 -1.1 -1.1 0.0 2.2 4.2 -1.7
High Min (°C)
20.0 19.0 15.0 15.0 9.5 8.5 6.0 7.0 12.2 15.0 15.0 17.8 20.0
Low Min (°C)
-3.0 -3.8 -3.9 -7.0 -8.3 -13.0 -10.2 -11.0 -10.7 -8.5 -5.2 -3.4 -13.0
High Rain (mm)
48.0 86.4 90.9 111.8 55.9 37.8 38.4 45.2 48.8 37.6 43.2 54.8 111.8

Shannon Hec Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
21.8 20.4 17.6 14.1 10.4 8.9 6.5 10.1 10.3 15.3 16.4 19.7 12.8
Low Mn. Max (°C)
14.8 14.8 13.7 9.8 6.5 4.7 4.0 5.0 5.6 8.4 10.5 11.9 10.3
High Mn. Min (°C)
9.2 8.8 5.8 4.4 2.9 1.4 0.0 0.6 1.4 4.4 4.9 6.9 3.1
Low Mn. Min (°C)
4.0 4.2 3.4 0.5 -0.5 -2.0 -3.4 -2.2 -2.2 0.3 1.7 3.0 1.6
High Rain (mm)
113.9 175.1 182.1 328.7 235.9 236.3 156.3 273.5 206.2 145.0 167.4 159.7 1231.3
Low Rain (mm)
0.8 3.3 13.5 10.5 6.4 12.2 17.3 17.4 25.8 17.4 18.0 7.9 515.8

Shannon Hec Annual Temperatures & Rainfall

SHANNON HEC

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

Shannon Hec 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
0.4 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.5
≤ 2.0°C
4.5 4.0 7.1 12.6 18.5 21.4 25.4 24.6 21.1 16.5 11.6 7.5 167.4
≤ 0.0°C
1.4 1.3 2.6 6.5 12.1 15.8 19.8 18.5 14.6 10.5 5.7 2.3 106.5

Shannon Hec 'per Week' Values (14th/86th Percentiles)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
23.5 23.0 20.0 16.1 12.0 9.4 7.8 9.3 12.0 16.1 18.4 21.4 18.5
Low Max
12.2 13.1 10.5 7.8 5.0 3.3 2.8 3.5 5.0 6.9 8.4 10.2 5.6
High Min
10.0 10.6 8.9 7.1 4.8 2.8 1.7 2.0 3.0 5.3 6.7 8.5 6.8
Low Min
1.8 1.7 1.0 -0.6 -2.2 -3.6 -4.4 -3.9 -2.8 -1.7 -0.6 1.0 -2.0

Shannon Hec Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
25 25 25 25 25 25 26 26 26 25 25 25 25.3
Earliest Entry
1957 1957 1957 1957 1957 1957 1957 1957 1957 1957 1957 1957 1957
Latest Entry
1985 1985 1984 1984 1984 1984 1984 1984 1984 1984 1984 1984 1985
Years of Maxima
26 25 25 25 25 25 26 26 26 25 25 25 25.2
Earliest Entry
1957 1957 1957 1957 1957 1957 1957 1957 1957 1957 1957 1957 1957
Latest Entry
1985 1985 1984 1984 1984 1984 1984 1984 1984 1984 1984 1984 1985
Years of Rainfall
57 57 56 55 56 56 56 56 57 56 56 57 56.1
Earliest Entry
1928 1928 1928 1928 1928 1927 1927 1927 1927 1927 1927 1927 1927
Latest Entry
1985 1985 1984 1984 1984 1984 1984 1984 1984 1984 1984 1984 1985

Station Details

SHANNON HEC
Central, Tasmania
42.0500°S 146.7500°E 939m AMSL
Commenced 1927 / Closed 1985
Display Your Local Weather

Weather News

SA weather: Power outages hit as storms sweep across state

00:59 EST

Winds sweeping South Australia have plunged thousands of residents into darkness again for another night only a day after the entire state suffered a blackout.

SA weather as it happened: Wild winds, flooding continue; thousands without power for second night

22:19 EST

South Australia has been lashed with severe weather for the second night in a row, with strong winds battering much of the state.

Unusual frost affecting harvests in Wheatbelt, South West and Great Southern regions

21:57 EST

Below-freezing temperatures throughout September have affected large numbers of farmers in the Wheatbelt, South West and Great Southern regions, taking the edge out of what was shaping up as a bumper harvest.