Shannon Climate

Shannon Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
26.5 26.7 24.8 21.4 18.3 15.7 14.8 15.4 16.4 18.8 22.2 24.3 20.5
Mean Min (°C)
12.8 13.5 12.5 10.8 9.0 7.6 6.5 6.9 7.2 8.3 10.1 11.2 9.7
Mean Rain (mm)
18.1 18.4 34.6 70.5 130.3 163.7 177.0 150.3 127.4 76.7 50.6 31.0 1041.9
Median Rain (mm)
10.8 10.8 19.4 43.4 116.4 150.6 143.6 150.9 132.8 63.2 45.4 15.5 994.4
Mean Rain Days
7.5 7.1 9.3 14.5 19.2 19.5 22.8 20.2 18.6 17.6 12.8 9.8 154.4

Shannon Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
41.0 39.0 41.0 33.1 29.0 22.0 21.0 24.8 28.0 30.3 38.0 41.0 41.0
Low Max (°C)
15.7 16.3 11.0 13.0 9.6 8.8 9.7 8.0 10.0 11.0 13.0 15.0 8.0
High Min (°C)
21.0 24.0 23.0 19.0 19.0 14.0 13.9 13.8 15.5 16.5 20.0 21.0 24.0
Low Min (°C)
4.0 6.0 3.0 2.0 0.0 -2.0 -1.0 0.0 0.7 1.0 1.0 3.0 -2.0
High Rain (mm)
27.0 31.0 35.0 62.0 80.0 46.0 47.0 36.0 38.0 50.0 32.0 42.6 80.0

Shannon Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
27.9 28.3 26.9 24.6 19.9 16.6 16.0 17.5 17.8 22.1 24.5 26.9 21.1
Low Mn. Max (°C)
24.1 24.9 22.1 18.6 16.4 14.6 13.7 14.0 14.3 16.4 18.7 20.9 19.3
High Mn. Min (°C)
15.4 15.4 14.7 12.1 11.6 9.1 7.7 8.3 8.3 10.3 12.2 13.2 10.4
Low Mn. Min (°C)
11.4 11.9 10.9 8.6 7.5 5.0 5.1 5.3 5.7 6.8 8.4 9.5 9.1
High Rain (mm)
70.0 46.4 100.8 183.0 208.6 269.0 278.8 223.2 203.4 132.6 151.4 83.2 1357.4
Low Rain (mm)
3.2 2.8 1.0 7.6 66.8 70.2 68.6 31.4 2.4 34.0 12.4 5.0 520.6

Shannon Annual Temperatures & Rainfall

SHANNON

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

Shannon Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40.0°C
0.2 0.0 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 0.4
≥ 35.0°C
1.7 1.8 1.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 1.1 5.3
≥ 30.0°C
7.6 7.7 4.8 0.8 0.0 0.0 0.0 0.0 0.0 0.2 2.4 4.6 24.3
≤ 2.0°C
0.0 0.0 0.0 0.1 0.2 1.1 2.4 1.2 0.9 0.2 0.1 0.0 5.3
≤ 0.0°C
0.0 0.0 0.0 0.0 0.1 0.2 0.5 0.1 0.0 0.0 0.0 0.0 0.7

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

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
32.0 33.0 30.9 26.0 21.3 18.0 17.0 18.0 19.0 22.0 27.0 30.6 27.0
Low Max
21.0 21.4 19.0 17.0 15.0 13.0 13.0 13.0 13.2 15.0 17.4 19.0 15.0
High Min
16.0 17.0 16.0 14.0 13.0 10.5 9.0 10.0 10.0 11.0 13.0 15.0 14.0
Low Min
9.0 9.3 9.0 7.0 6.0 4.0 3.0 4.0 4.0 5.0 6.0 8.0 5.0

Shannon Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
17 18 19 18 18 17 17 18 18 18 18 18 17.7
Earliest Entry
1997 1997 1997 1997 1997 1997 1997 1997 1997 1997 1997 1996 1996
Latest Entry
2017 2017 2017 2017 2017 2016 2016 2016 2016 2016 2016 2016 2017
Years of Maxima
17 18 19 18 18 17 17 18 18 18 18 18 17.7
Earliest Entry
1997 1997 1997 1997 1997 1997 1997 1997 1997 1997 1997 1996 1996
Latest Entry
2017 2017 2017 2017 2017 2016 2016 2016 2016 2016 2016 2016 2017
Years of Rainfall
17 18 18 18 18 17 17 18 18 18 18 18 17.7
Earliest Entry
1997 1997 1997 1997 1997 1997 1997 1997 1997 1997 1997 1996 1996
Latest Entry
2017 2017 2017 2017 2017 2016 2016 2016 2016 2016 2016 2016 2017

Station Details

SHANNON
Southwest, Western Australia
34.5683°S 116.3367°E 210m AMSL
Commenced 1996
Display Your Local Weather

Weather News

How did the massive hailstones that fell over southern Queensland form?

01:10 EDT

Some of the largest hailstones ever seen in Australia are thought to have plummeted to Earth over southern Queensland on Friday afternoon.

WA's sizzling spell of heat stretching into the weekend

17:34 EDT

Despite already enduring a relentless barrage of heat, the hot maximum temperatures in Western Australia's southwest are not expected to fade for the next couple of days.

Drought not denting NSW farmland values as buyers scout property with promise of rain and water

16:51 EDT

Farmland values across drought-ravaged New South Wales are managing to remain strong as farmers search the state to buy property with guaranteed water supply and the promise of elusive rainfall.