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Grafton Airport Long-term Averages
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean Max (°C) |
30.3 | 29.8 | 28.3 | 25.7 | 23.1 | 20.7 | 20.6 | 22.6 | 25.0 | 26.8 | 28.4 | 29.3 | 25.9 |
| Mean Min (°C) |
19.1 | 18.9 | 17.7 | 13.8 | 9.5 | 6.9 | 5.4 | 6.3 | 9.7 | 12.9 | 15.8 | 17.5 | 12.7 |
| Mean Rain (mm) |
125.2 | 168.1 | 177.3 | 88.7 | 70.9 | 79.0 | 33.4 | 55.2 | 49.4 | 71.5 | 98.3 | 127.9 | 1125.2 |
| Median Rain (mm) |
83.0 | 108.2 | 110.6 | 62.2 | 48.8 | 55.0 | 26.3 | 23.0 | 36.7 | 53.7 | 132.4 | 96.2 | 1149.5 |
| Mean Rain Days |
13.4 | 14.3 | 16.8 | 13.5 | 13.2 | 12.5 | 10.5 | 7.7 | 8.6 | 9.8 | 12.5 | 13.4 | 145.0 |
Grafton Airport Daily Records
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High Max (°C) |
41.3 | 45.8 | 37.2 | 32.4 | 29.6 | 29.7 | 27.7 | 36.3 | 38.3 | 39.7 | 42.8 | 41.3 | 45.8 |
| Low Max (°C) |
21.4 | 20.2 | 20.0 | 18.0 | 15.3 | 12.1 | 13.1 | 14.9 | 16.1 | 17.0 | 19.0 | 18.8 | 12.1 |
| High Min (°C) |
25.6 | 24.9 | 22.9 | 20.5 | 20.6 | 16.6 | 15.9 | 16.1 | 19.1 | 20.6 | 23.1 | 23.8 | 25.6 |
| Low Min (°C) |
10.8 | 12.4 | 9.6 | 0.4 | -1.5 | -1.8 | -3.4 | -2.8 | 0.1 | 3.2 | 6.0 | 8.6 | -3.4 |
| High Rain (mm) |
155.0 | 242.4 | 410.0 | 85.4 | 137.0 | 149.0 | 41.0 | 129.8 | 80.4 | 105.4 | 53.8 | 230.0 | 410.0 |
Grafton Airport Monthly Records
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High Mn. Max (°C) |
32.7 | 32.7 | 30.6 | 27.3 | 25.7 | 22.0 | 21.9 | 24.5 | 27.1 | 29.3 | 31.0 | 32.4 | 27.3 |
| Low Mn. Max (°C) |
27.9 | 27.4 | 26.9 | 24.4 | 21.9 | 19.4 | 19.6 | 21.2 | 23.4 | 23.7 | 25.9 | 25.9 | 24.9 |
| High Mn. Min (°C) |
20.8 | 20.5 | 18.8 | 15.4 | 14.4 | 9.5 | 7.4 | 10.1 | 11.7 | 15.8 | 17.7 | 19.1 | 13.3 |
| Low Mn. Min (°C) |
17.6 | 17.7 | 15.3 | 11.6 | 6.6 | 4.5 | 2.5 | 3.1 | 8.3 | 10.8 | 14.0 | 15.3 | 12.1 |
| High Rain (mm) |
388.8 | 505.8 | 596.8 | 176.4 | 314.8 | 232.2 | 143.8 | 214.0 | 195.4 | 336.6 | 235.4 | 379.2 | 1650.2 |
| Low Rain (mm) |
2.4 | 0.2 | 20.4 | 25.0 | 5.8 | 3.8 | 0.4 | 0.4 | 0.2 | 2.4 | 6.4 | 9.2 | 379.8 |
Grafton Airport Annual Temperatures & Rainfall
Grafton Airport Average Number of Days With Temperatures
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ≥ 40°C |
0.3 | 0.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.2 | 0.8 |
| ≥ 35°C |
2.7 | 2.1 | 0.7 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.9 | 2.1 | 2.1 | 10.8 |
| ≥ 30°C |
16.3 | 12.6 | 7.7 | 0.7 | 0.0 | 0.0 | 0.0 | 0.5 | 2.8 | 6.7 | 9.2 | 12.9 | 68.9 |
| ≤ 2°C |
0.0 | 0.0 | 0.0 | 0.1 | 0.6 | 3.1 | 6.4 | 4.0 | 0.2 | 0.0 | 0.0 | 0.0 | 14.8 |
| ≤ 0°C |
0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.6 | 1.9 | 1.0 | 0.0 | 0.0 | 0.0 | 0.0 | 3.6 |
Grafton Airport 'per Week' Values (14th/86th Percentiles)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High Max |
33.0 | 32.1 | 30.2 | 27.8 | 25.2 | 22.5 | 22.5 | 25.3 | 28.5 | 30.5 | 32.1 | 31.1 | 30.1 |
| Low Max |
26.5 | 26.5 | 25.7 | 23.3 | 21.0 | 17.8 | 18.0 | 19.5 | 21.1 | 22.1 | 24.0 | 24.6 | 20.4 |
| High Min |
21.2 | 21.1 | 19.7 | 16.5 | 13.4 | 12.1 | 9.4 | 11.6 | 14.1 | 16.7 | 18.9 | 19.9 | 18.8 |
| Low Min |
16.3 | 16.9 | 14.4 | 9.9 | 4.3 | 2.3 | 1.2 | 1.6 | 6.2 | 8.8 | 13.7 | 14.0 | 4.8 |
Grafton Airport Data Availability
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Years of Minima |
18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 17.0 |
| Earliest Entry |
2007 | 2007 | 2007 | 2006 | 2006 | 2006 | 2006 | 2006 | 2006 | 2006 | 2006 | 2006 | 2006 |
| Latest Entry |
2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2023 | 2023 | 2024 |
| Years of Maxima |
18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 17.0 |
| Earliest Entry |
2007 | 2007 | 2007 | 2006 | 2006 | 2006 | 2006 | 2006 | 2006 | 2006 | 2006 | 2006 | 2006 |
| Latest Entry |
2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2023 | 2023 | 2024 |
| Years of Rainfall |
25 | 25 | 25 | 26 | 25 | 24 | 24 | 25 | 24 | 23 | 22 | 24 | 23.0 |
| Earliest Entry |
1999 | 1999 | 1999 | 1993 | 1999 | 1999 | 1999 | 1992 | 1999 | 1999 | 1999 | 1999 | 1992 |
| Latest Entry |
2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2023 | 2023 | 2024 |
Station Details
GRAFTON AIRPORT AWS
Northern Rivers, New South Wales/ACT
Northern Rivers, New South Wales/ACT
29.7583°S 153.0297°E
26m AMSL
Commenced 1973
Commenced 1973
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