Shannon Climate
Shannon Long-term Averages
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean Max (°C) |
26.3 | 26.7 | 24.7 | 21.3 | 18.2 | 15.8 | 14.8 | 15.4 | 16.5 | 18.8 | 22.0 | 24.6 | 20.4 |
| Mean Min (°C) |
12.6 | 13.5 | 12.6 | 10.8 | 9.0 | 7.6 | 6.7 | 6.9 | 7.3 | 8.4 | 10.0 | 11.3 | 9.7 |
| Mean Rain (mm) |
19.9 | 21.3 | 33.8 | 68.8 | 123.1 | 152.3 | 183.1 | 150.2 | 120.8 | 73.4 | 51.1 | 33.5 | 1022.9 |
| 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 |
8.3 | 7.3 | 9.6 | 15.9 | 20.3 | 21.5 | 23.6 | 23.0 | 20.6 | 17.2 | 13.5 | 9.9 | 190.6 |
Shannon Daily Records
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High Max (°C) |
41.0 | 39.2 | 41.0 | 33.1 | 29.0 | 22.3 | 21.0 | 24.8 | 28.0 | 30.4 | 38.0 | 41.0 | 41.0 |
| Low Max (°C) |
15.7 | 16.3 | 11.0 | 10.9 | 9.6 | 8.8 | 9.5 | 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 | 0.3 | 1.0 | 1.0 | 3.0 | -2.0 |
| High Rain (mm) |
27.0 | 55.4 | 35.0 | 62.0 | 80.0 | 46.0 | 47.0 | 36.0 | 38.0 | 50.0 | 39.0 | 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 | 28.5 | 26.9 | 24.6 | 19.9 | 16.9 | 16.0 | 17.5 | 18.1 | 22.1 | 24.5 | 29.4 | 21.1 |
| Low Mn. Max (°C) |
24.1 | 24.2 | 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 | 7.8 | 8.3 | 8.3 | 10.3 | 12.2 | 13.2 | 10.4 |
| Low Mn. Min (°C) |
11.4 | 11.9 | 10.9 | 8.6 | 7.4 | 5.0 | 5.1 | 5.3 | 5.7 | 6.8 | 8.4 | 9.5 | 9.1 |
| High Rain (mm) |
70.0 | 105.8 | 100.8 | 183.0 | 208.6 | 269.0 | 302.0 | 223.2 | 203.4 | 132.6 | 151.4 | 83.2 | 1357.4 |
| Low Rain (mm) |
3.2 | 2.8 | 1.0 | 7.6 | 56.4 | 40.6 | 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 |
0.1 | 0.0 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.4 |
| ≥ 35.0°C |
1.8 | 1.6 | 1.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.3 | 1.2 | 6.1 |
| ≥ 30.0°C |
7.6 | 7.6 | 4.6 | 0.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.2 | 2.4 | 5.2 | 28.6 |
| ≤ 2.0°C |
0.0 | 0.0 | 0.0 | 0.0 | 0.2 | 1.0 | 1.9 | 1.1 | 1.0 | 0.2 | 0.1 | 0.0 | 5.7 |
| ≤ 0.0°C |
0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.2 | 0.4 | 0.0 | 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 |
20 | 22 | 23 | 22 | 22 | 22 | 23 | 21 | 22 | 22 | 22 | 22 | 21.0 |
| Earliest Entry |
1997 | 1997 | 1997 | 1997 | 1997 | 1997 | 1997 | 1997 | 1997 | 1997 | 1997 | 1996 | 1996 |
| Latest Entry |
2021 | 2021 | 2021 | 2021 | 2021 | 2021 | 2021 | 2021 | 2020 | 2020 | 2020 | 2020 | 2021 |
| Years of Maxima |
20 | 22 | 22 | 22 | 22 | 22 | 23 | 21 | 22 | 22 | 22 | 22 | 21.0 |
| Earliest Entry |
1997 | 1997 | 1997 | 1997 | 1997 | 1997 | 1997 | 1997 | 1997 | 1997 | 1997 | 1996 | 1996 |
| Latest Entry |
2021 | 2021 | 2021 | 2021 | 2021 | 2021 | 2021 | 2021 | 2020 | 2020 | 2020 | 2020 | 2021 |
| Years of Rainfall |
20 | 22 | 23 | 22 | 22 | 22 | 23 | 21 | 22 | 22 | 22 | 22 | 21.0 |
| Earliest Entry |
1997 | 1997 | 1997 | 1997 | 1997 | 1997 | 1997 | 1997 | 1997 | 1997 | 1997 | 1996 | 1996 |
| Latest Entry |
2021 | 2021 | 2021 | 2021 | 2021 | 2021 | 2021 | 2021 | 2020 | 2020 | 2020 | 2020 | 2021 |
Station Details
SHANNON
Southwest, Western Australia
Southwest, Western Australia
34.5683°S 116.3367°E
210m AMSL
Commenced 1996
Commenced 1996
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Weather News
Damaging winds in multiple states
15:11 EST
A strong cold front will cause damaging winds in southeastern Australia during the next 24 hours, with some states already in the thick of the wild weather.
Massive temperature contrast between bitterly cold Melbourne and summery Sydney
11:38 EST
It's an absolutely freezing September day across virtually all of Victoria and Tasmania, parts of South Australia, and southern parts of NSW today, as a strong spring cold front sweeps northwards.
