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Tasman Island Long-term Averages
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean Max (°C) |
18.3 | 17.8 | 17.1 | 15.2 | 13.2 | 11.4 | 11.0 | 11.5 | 12.7 | 13.7 | 15.2 | 16.6 | 14.5 |
| Mean Min (°C) |
11.7 | 11.9 | 11.4 | 10.0 | 8.7 | 7.4 | 6.7 | 6.6 | 7.0 | 7.7 | 9.0 | 10.3 | 9.0 |
| Mean Rain (mm) |
66.6 | 49.7 | 70.6 | 65.9 | 78.6 | 62.7 | 64.8 | 73.1 | 73.3 | 64.7 | 58.3 | 68.0 | 779.8 |
| Median Rain (mm) |
42.4 | 37.4 | 51.7 | 50.7 | 57.0 | 58.2 | 60.5 | 85.5 | 75.5 | 45.0 | 34.0 | 67.6 | 814.9 |
| Mean Rain Days |
12.7 | 12.7 | 16.1 | 16.6 | 17.7 | 17.3 | 17.2 | 18.7 | 17.4 | 18.5 | 16.2 | 15.0 | 191.2 |
Tasman Island Daily Records
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High Max (°C) |
37.7 | 35.1 | 32.8 | 28.2 | 21.6 | 17.9 | 17.0 | 19.0 | 25.2 | 30.5 | 31.7 | 33.5 | 37.7 |
| Low Max (°C) |
10.4 | 11.2 | 10.1 | 7.8 | 7.1 | 6.9 | 5.7 | 4.6 | 6.8 | 6.9 | 7.9 | 9.5 | 4.6 |
| High Min (°C) |
19.6 | 23.6 | 18.3 | 18.1 | 16.0 | 13.6 | 12.2 | 13.2 | 14.3 | 16.8 | 16.8 | 17.3 | 23.6 |
| Low Min (°C) |
5.0 | 4.2 | 4.4 | 3.3 | 1.1 | 1.2 | 0.6 | -0.2 | 0.6 | 1.5 | 1.6 | 3.4 | -0.2 |
| High Rain (mm) |
76.0 | 58.4 | 84.0 | 50.8 | 122.6 | 33.0 | 33.8 | 39.6 | 43.2 | 37.8 | 66.0 | 56.6 | 122.6 |
Tasman Island Monthly Records
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High Mn. Max (°C) |
20.5 | 19.3 | 19.2 | 17.1 | 15.5 | 12.2 | 12.6 | 13.0 | 14.2 | 15.6 | 16.8 | 17.9 | 15.0 |
| Low Mn. Max (°C) |
16.6 | 16.1 | 15.4 | 12.6 | 12.0 | 10.0 | 10.0 | 9.8 | 11.2 | 12.1 | 13.3 | 15.5 | 13.7 |
| High Mn. Min (°C) |
13.0 | 13.2 | 12.8 | 11.4 | 10.4 | 8.4 | 8.2 | 8.4 | 8.3 | 8.8 | 11.1 | 11.5 | 9.5 |
| Low Mn. Min (°C) |
10.2 | 10.2 | 10.0 | 7.5 | 6.8 | 5.6 | 5.5 | 4.7 | 4.8 | 6.4 | 7.4 | 9.0 | 8.2 |
| High Rain (mm) |
156.0 | 139.6 | 197.6 | 136.6 | 200.2 | 116.4 | 142.4 | 156.8 | 163.6 | 170.0 | 126.8 | 164.4 | 953.0 |
| Low Rain (mm) |
8.8 | 19.0 | 31.2 | 20.4 | 18.6 | 1.6 | 0.8 | 0.2 | 19.6 | 3.2 | 9.0 | 22.0 | 419.4 |
Tasman Island Annual Temperatures & Rainfall
Tasman Island Average Number of Days With Temperatures
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ≥ 40°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°C |
0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 |
| ≥ 30°C |
0.3 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.8 |
| ≤ 2°C |
0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.2 | 0.5 | 0.7 | 0.7 | 0.2 | 0.1 | 0.0 | 2.4 |
| ≤ 0°C |
0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 |
Tasman Island 'per Week' Values (14th/86th Percentiles)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High Max |
21.0 | 20.0 | 20.1 | 18.0 | 16.1 | 13.8 | 13.0 | 14.4 | 15.4 | 16.6 | 18.5 | 20.0 | 18.1 |
| Low Max |
14.4 | 14.5 | 13.6 | 11.8 | 10.0 | 9.0 | 8.4 | 8.8 | 9.6 | 10.0 | 11.7 | 13.4 | 10.3 |
| High Min |
13.9 | 14.0 | 13.4 | 12.0 | 11.0 | 9.6 | 8.8 | 9.1 | 9.0 | 10.0 | 11.0 | 12.5 | 12.0 |
| Low Min |
9.1 | 9.2 | 9.0 | 7.2 | 6.5 | 5.1 | 4.6 | 3.9 | 4.1 | 5.0 | 6.5 | 7.9 | 5.7 |
Tasman Island Data Availability
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Years of Minima |
24 | 23 | 23 | 23 | 23 | 22 | 23 | 23 | 23 | 23 | 22 | 22 | 23.0 |
| Earliest Entry |
2002 | 2002 | 2002 | 2002 | 2002 | 2002 | 2002 | 2002 | 2002 | 2002 | 2002 | 2001 | 2001 |
| Latest Entry |
2025 | 2025 | 2025 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2025 |
| Years of Maxima |
24 | 23 | 23 | 23 | 23 | 21 | 23 | 23 | 23 | 23 | 22 | 22 | 23.0 |
| Earliest Entry |
2002 | 2002 | 2002 | 2002 | 2002 | 2002 | 2002 | 2002 | 2002 | 2002 | 2002 | 2001 | 2001 |
| Latest Entry |
2025 | 2025 | 2025 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2025 |
| Years of Rainfall |
24 | 23 | 22 | 23 | 22 | 19 | 22 | 23 | 21 | 22 | 22 | 23 | 23.0 |
| Earliest Entry |
2002 | 2002 | 2002 | 2002 | 2002 | 2002 | 2002 | 2002 | 2002 | 2002 | 2002 | 2001 | 2001 |
| Latest Entry |
2025 | 2025 | 2025 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2025 |
Station Details
TASMAN ISLAND
Lower Derwent, Tasmania
Lower Derwent, Tasmania
43.2397°S 148.0025°E
240m AMSL
Commenced 1977
Commenced 1977
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Rare Sydney Harbour surf on Good Friday
09:32 AEST A powerful Tasman low will send damaging surf to NSW later this week, with waves expected to radiate into Sydney Harbour on Good Friday.
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