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Mortlake Long-term Averages
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean Max (°C) |
26.3 | 26.3 | 24.0 | 20.0 | 16.2 | 13.6 | 13.0 | 14.0 | 15.9 | 18.3 | 20.9 | 23.7 | 19.3 |
| Mean Min (°C) |
11.2 | 11.4 | 10.0 | 8.1 | 6.5 | 5.0 | 4.6 | 4.9 | 5.7 | 6.5 | 8.1 | 9.4 | 7.6 |
| Mean Rain (mm) |
36.8 | 30.3 | 31.5 | 43.7 | 57.2 | 55.7 | 62.6 | 64.7 | 57.4 | 54.8 | 48.6 | 41.0 | 585.4 |
| Median Rain (mm) |
23.2 | 29.1 | 31.3 | 43.0 | 37.7 | 46.8 | 50.4 | 63.8 | 53.4 | 39.3 | 48.1 | 36.8 | 565.8 |
| Mean Rain Days |
7.7 | 7.3 | 10.5 | 14.2 | 17.7 | 18.3 | 20.3 | 19.2 | 18.7 | 16.8 | 12.6 | 11.3 | 175.0 |
Mortlake Daily Records
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High Max (°C) |
44.9 | 46.0 | 41.5 | 36.9 | 27.9 | 23.2 | 19.1 | 23.4 | 28.4 | 35.8 | 38.3 | 44.0 | 46.0 |
| Low Max (°C) |
14.1 | 13.8 | 13.4 | 11.2 | 6.7 | 8.6 | 7.1 | 6.7 | 7.9 | 9.7 | 11.2 | 12.3 | 6.7 |
| High Min (°C) |
27.5 | 23.8 | 22.4 | 21.3 | 15.6 | 14.3 | 12.3 | 13.3 | 14.5 | 17.5 | 19.8 | 21.1 | 27.5 |
| Low Min (°C) |
1.1 | 2.0 | -1.3 | -2.5 | -2.9 | -5.0 | -5.3 | -13.2 | -3.0 | -3.9 | -1.4 | -0.6 | -13.2 |
| High Rain (mm) |
59.8 | 49.0 | 30.8 | 36.6 | 47.4 | 24.6 | 52.2 | 42.6 | 33.6 | 50.0 | 39.4 | 67.0 | 67.0 |
Mortlake Monthly Records
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High Mn. Max (°C) |
30.1 | 30.9 | 28.2 | 23.4 | 18.3 | 15.2 | 13.9 | 16.5 | 18.1 | 23.8 | 25.6 | 28.8 | 20.6 |
| Low Mn. Max (°C) |
21.6 | 22.8 | 21.3 | 16.5 | 14.1 | 11.9 | 11.6 | 12.3 | 13.0 | 15.0 | 18.0 | 19.0 | 17.9 |
| High Mn. Min (°C) |
14.6 | 14.4 | 12.4 | 10.6 | 9.7 | 7.0 | 6.2 | 6.6 | 7.6 | 8.5 | 11.1 | 11.6 | 8.4 |
| Low Mn. Min (°C) |
7.5 | 6.8 | 7.2 | 6.0 | 5.1 | 2.5 | 2.2 | 2.9 | 4.3 | 3.8 | 5.4 | 6.4 | 6.8 |
| High Rain (mm) |
134.4 | 87.0 | 63.2 | 117.2 | 132.0 | 100.8 | 128.0 | 167.0 | 119.8 | 146.8 | 96.4 | 129.0 | 830.8 |
| Low Rain (mm) |
1.6 | 0.8 | 3.6 | 11.6 | 7.2 | 12.0 | 22.8 | 23.4 | 23.4 | 12.8 | 19.6 | 5.6 | 386.6 |
Mortlake Annual Temperatures & Rainfall
Mortlake Average Number of Days With Temperatures
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ≥ 40°C |
0.9 | 0.5 | 0.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.2 | 1.7 |
| ≥ 35°C |
4.0 | 3.1 | 1.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.3 | 1.6 | 10.3 |
| ≥ 30°C |
8.0 | 8.0 | 5.5 | 0.9 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.5 | 2.5 | 5.1 | 30.1 |
| ≤ 2°C |
0.1 | 0.0 | 0.4 | 1.9 | 3.2 | 6.1 | 6.3 | 5.5 | 4.2 | 3.7 | 1.6 | 0.5 | 33.8 |
| ≤ 0°C |
0.0 | 0.0 | 0.0 | 0.5 | 0.9 | 2.3 | 2.1 | 1.8 | 0.8 | 0.9 | 0.3 | 0.0 | 9.6 |
Mortlake 'per Week' Values (14th/86th Percentiles)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High Max |
33.5 | 33.9 | 30.6 | 25.4 | 19.3 | 15.5 | 14.8 | 16.3 | 18.7 | 22.9 | 27.1 | 30.4 | 26.2 |
| Low Max |
19.3 | 19.3 | 18.0 | 15.0 | 13.4 | 11.4 | 11.1 | 11.4 | 12.5 | 13.6 | 15.2 | 17.4 | 12.9 |
| High Min |
15.5 | 15.9 | 13.7 | 11.8 | 10.4 | 8.5 | 7.5 | 8.1 | 9.1 | 10.0 | 12.0 | 13.4 | 12.1 |
| Low Min |
5.6 | 6.7 | 5.2 | 3.5 | 2.6 | 1.2 | 1.3 | 1.6 | 2.0 | 2.0 | 3.4 | 4.6 | 2.9 |
Mortlake Data Availability
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Years of Minima |
34 | 35 | 33 | 33 | 33 | 32 | 35 | 34 | 34 | 35 | 35 | 34 | 34.0 |
| Earliest Entry |
1991 | 1991 | 1991 | 1991 | 1991 | 1991 | 1990 | 1990 | 1990 | 1990 | 1990 | 1990 | 1990 |
| Latest Entry |
2025 | 2025 | 2025 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2025 |
| Years of Maxima |
34 | 35 | 33 | 34 | 34 | 33 | 35 | 35 | 35 | 35 | 35 | 35 | 34.0 |
| Earliest Entry |
1991 | 1991 | 1991 | 1991 | 1991 | 1991 | 1990 | 1990 | 1990 | 1990 | 1990 | 1990 | 1990 |
| Latest Entry |
2025 | 2025 | 2025 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2025 |
| Years of Rainfall |
29 | 30 | 29 | 29 | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 29.0 |
| Earliest Entry |
1995 | 1995 | 1995 | 1995 | 1995 | 1994 | 1994 | 1994 | 1994 | 1994 | 1994 | 1994 | 1994 |
| Latest Entry |
2025 | 2025 | 2025 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2025 |
Station Details
MORTLAKE RACECOURSE
South West, Victoria
South West, Victoria
38.0737°S 142.7744°E
130m AMSL
Commenced 1990
Commenced 1990
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High chance of tropical cyclone near Australia next week
12:03 AEST A late-season tropical cyclone could form near northern Australia next week, which would make this Australia’s most active cyclone season in six years.
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