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Williamtown Long-term Averages
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean Max (°C) |
28.3 | 27.7 | 26.4 | 23.7 | 20.4 | 17.7 | 17.2 | 18.8 | 21.5 | 23.8 | 25.6 | 27.4 | 23.2 |
| Mean Min (°C) |
18.2 | 18.2 | 16.5 | 13.2 | 10.1 | 8.0 | 6.5 | 6.9 | 9.2 | 12.0 | 14.5 | 16.6 | 12.4 |
| Mean Rain (mm) |
97.1 | 110.6 | 126.9 | 106.6 | 109.2 | 128.7 | 72.9 | 64.5 | 61.9 | 78.3 | 81.8 | 77.4 | 1124.2 |
| Median Rain (mm) |
74.5 | 91.3 | 114.2 | 85.3 | 99.2 | 103.3 | 55.2 | 50.0 | 49.8 | 56.0 | 81.8 | 61.4 | 1072.2 |
| Mean Rain Days |
11.7 | 12.2 | 13.4 | 12.3 | 13.4 | 13.7 | 10.7 | 10.0 | 9.8 | 11.7 | 11.5 | 11.0 | 140.7 |
Williamtown Daily Records
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High Max (°C) |
45.5 | 45.5 | 40.7 | 37.0 | 29.6 | 26.6 | 27.8 | 30.5 | 36.4 | 39.4 | 43.2 | 43.7 | 45.5 |
| Low Max (°C) |
18.1 | 19.1 | 18.1 | 15.2 | 11.8 | 10.7 | 9.2 | 10.4 | 10.9 | 14.4 | 14.1 | 17.4 | 9.2 |
| High Min (°C) |
26.6 | 26.9 | 24.5 | 21.7 | 18.9 | 16.3 | 15.7 | 15.6 | 18.2 | 21.2 | 23.1 | 24.6 | 26.9 |
| Low Min (°C) |
9.4 | 9.6 | 8.6 | 2.1 | -0.6 | -1.8 | -3.9 | -1.9 | 0.4 | 3.0 | 5.1 | 7.9 | -3.9 |
| High Rain (mm) |
225.0 | 276.0 | 157.6 | 156.0 | 95.0 | 147.0 | 133.0 | 100.8 | 122.9 | 128.8 | 166.8 | 99.4 | 276.0 |
Williamtown Monthly Records
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High Mn. Max (°C) |
33.3 | 31.0 | 29.0 | 26.3 | 23.1 | 19.9 | 19.5 | 21.9 | 25.7 | 27.1 | 28.6 | 30.8 | 25.3 |
| Low Mn. Max (°C) |
24.4 | 24.9 | 23.8 | 21.7 | 18.8 | 15.9 | 15.5 | 17.0 | 18.5 | 20.9 | 22.7 | 23.8 | 21.9 |
| High Mn. Min (°C) |
21.0 | 20.3 | 19.2 | 16.3 | 12.9 | 12.2 | 9.0 | 9.4 | 11.6 | 14.4 | 16.8 | 19.1 | 13.6 |
| Low Mn. Min (°C) |
16.1 | 16.0 | 14.0 | 11.0 | 6.9 | 5.6 | 2.5 | 4.5 | 7.2 | 10.2 | 11.9 | 14.8 | 11.2 |
| High Rain (mm) |
422.4 | 599.6 | 459.2 | 361.2 | 410.2 | 414.2 | 327.4 | 212.2 | 179.2 | 252.0 | 241.4 | 238.0 | 1793.7 |
| Low Rain (mm) |
2.2 | 5.6 | 2.2 | 4.4 | 5.0 | 8.8 | 0.0 | 0.0 | 0.4 | 1.0 | 6.8 | 0.8 | 541.0 |
Williamtown Annual Temperatures & Rainfall
Williamtown Average Number of Days With Temperatures
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ≥ 40°C |
0.6 | 0.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.2 | 0.4 | 1.4 |
| ≥ 35°C |
3.2 | 1.6 | 0.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.5 | 1.6 | 2.5 | 9.9 |
| ≥ 30°C |
9.4 | 7.1 | 4.8 | 0.9 | 0.0 | 0.0 | 0.0 | 0.1 | 1.1 | 3.3 | 5.4 | 8.4 | 40.4 |
| ≤ 2°C |
0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.5 | 1.9 | 1.3 | 0.1 | 0.0 | 0.0 | 0.0 | 3.8 |
| ≤ 0°C |
0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.4 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.6 |
Williamtown 'per Week' Values (14th/86th Percentiles)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High Max |
33.3 | 32.0 | 30.0 | 26.8 | 22.8 | 19.9 | 19.4 | 21.5 | 25.7 | 28.6 | 31.0 | 32.6 | 28.7 |
| Low Max |
23.5 | 23.6 | 23.0 | 20.7 | 17.7 | 15.4 | 14.8 | 15.8 | 17.2 | 18.9 | 20.6 | 22.4 | 17.3 |
| High Min |
20.7 | 20.7 | 19.2 | 16.6 | 13.5 | 11.0 | 9.4 | 10.0 | 12.6 | 15.5 | 17.8 | 19.4 | 18.3 |
| Low Min |
15.0 | 15.3 | 13.3 | 9.8 | 6.7 | 4.5 | 3.2 | 3.7 | 5.6 | 8.4 | 10.7 | 13.2 | 6.4 |
Williamtown Data Availability
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Years of Minima |
74 | 74 | 74 | 73 | 73 | 73 | 73 | 74 | 74 | 75 | 75 | 75 | 73.0 |
| Earliest Entry |
1951 | 1951 | 1951 | 1951 | 1951 | 1951 | 1951 | 1950 | 1942 | 1942 | 1942 | 1942 | 1942 |
| Latest Entry |
2024 | 2024 | 2024 | 2024 | 2023 | 2023 | 2023 | 2023 | 2023 | 2023 | 2023 | 2023 | 2024 |
| Years of Maxima |
74 | 74 | 74 | 73 | 73 | 73 | 73 | 74 | 74 | 75 | 75 | 75 | 73.0 |
| Earliest Entry |
1951 | 1951 | 1951 | 1951 | 1951 | 1951 | 1951 | 1950 | 1942 | 1942 | 1942 | 1942 | 1942 |
| Latest Entry |
2024 | 2024 | 2024 | 2024 | 2023 | 2023 | 2023 | 2023 | 2023 | 2023 | 2023 | 2023 | 2024 |
| Years of Rainfall |
68 | 68 | 70 | 69 | 67 | 66 | 66 | 69 | 68 | 72 | 68 | 71 | 66.0 |
| Earliest Entry |
1944 | 1944 | 1943 | 1943 | 1943 | 1943 | 1943 | 1943 | 1942 | 1942 | 1942 | 1942 | 1942 |
| Latest Entry |
2024 | 2024 | 2024 | 2024 | 2023 | 2023 | 2023 | 2023 | 2023 | 2023 | 2023 | 2023 | 2024 |
Station Details
WILLIAMTOWN RAAF
Hunter, New South Wales/ACT
Hunter, New South Wales/ACT
32.7939°S 151.8364°E
8m AMSL
Commenced 1942
Commenced 1942
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