Grafton 2024 Climate Summary
The climate of Grafton reveals interesting patterns when examined month by month. From temperature swings to rainfall distribution, each season brings its own character.
The temperature profile shows a range from 9.1°C lows in the coldest months to 30.2°C highs in summer, creating a seasonal temperature swing of 9.4°C.
Rainfall patterns show Nov as the wettest month with 160mm, while Jul receives just 33mm. Annual rainfall totals 1018mm, spread across an average of 132 rain days.
Compared to the New South Wales average, Grafton is 2.9°C warmer. Its annual rainfall of 1018mm is typical of the region's climate patterns.
Understanding these patterns helps determine the best times to visit Grafton. Whether you prefer warm dry conditions or milder temperatures, Grafton's climate offers distinct seasonal advantages throughout the year.
Note on methodology: this page summarises 2024 observations only. Long-record climate trend analysis drawn from ACORN-SAT (1910 to present) is in development. For context on multi-decade change, see the BOM State of the Climate report.
Temperature Profile
Monthly maximum and minimum temperature ranges showing seasonal variation in Grafton's climate.
Climate Analysis
The temperature data for Grafton reveals clear seasonal patterns. The annual average maximum is 25.2°C, while the average minimum is 15.4°C. This 9.8°C range demonstrates the city's seasonal temperature variation.
Rainfall Pattern
Monthly rainfall distribution throughout Grafton showing wet and dry season patterns.
Annual rainfall totals 1018mm, distributed across the calendar year. The distribution pattern shows distinct wet and dry periods that influence local climate conditions.
Climate Summary Table
Complete monthly climate averages including temperature, precipitation, solar radiation, and humidity data.
| Month | Max °C | Min °C | Rain mm | Rain Days | Solar MJ | Humidity % |
|---|---|---|---|---|---|---|
| January | 29.6 | 21.4 | 136 | 15 | 20.6 | 57% |
| February | 30.0 | 21.2 | 68 | 9 | 21.0 | 55% |
| March | 26.9 | 19.2 | 92 | 15 | 16.6 | 58% |
| April | 25.1 | 16.0 | 104 | 12 | 15.2 | 55% |
| May | 21.4 | 12.6 | 50 | 12 | 11.6 | 60% |
| June | 19.5 | 9.1 | 36 | 4 | 10.8 | 51% |
| July | 19.2 | 9.2 | 33 | 10 | 11.7 | 47% |
| August | 22.9 | 11.4 | 87 | 8 | 13.3 | 50% |
| September | 24.7 | 11.8 | 103 | 7 | 18.2 | 41% |
| October | 25.7 | 14.5 | 60 | 11 | 21.0 | 46% |
| November | 27.7 | 18.7 | 160 | 18 | 20.9 | 54% |
| December | 30.2 | 19.9 | 90 | 11 | 25.8 | 51% |