Grafton Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Grafton.
Climate overview of Grafton
Grafton, New South Wales, Australia, has a moderate seasonal temperature range, with January reaching 30°C (86°F) and July cooling to 20°C (68°F).
The city receives around 925 mm (36 in) of rainfall per year. It experiences a distinct dry season from July to September. February is the wettest month and July the driest. Sunshine peaks in September, when the city sees around 8.7 hours of sunshine per day.
Grafton Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Grafton - and find the best time to visit.
Monthly Temperature in Grafton
The climate in Grafton experiences moderate temperature changes, with mild shifts between seasons. On average, daytime temperatures range from a comfortable 30°C (86°F) in January to a pleasant 20°C (68°F) in July.
Nighttime temperatures range from 20°C (68°F) in January to 7°C (45°F) in July.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Grafton
Generally, Grafton experiences moderate precipitation patterns, averaging 925 mm (36 in) yearly. The seasons in Grafton bring significant changes in precipitation. The wettest month, February, receives high rainfall, with an average of 135 mm (5.3 in) of precipitation. This rainfall is distributed across 13 rainy days.
In contrast, the driest month, July, experiences much less rainfall, totaling 28 mm (1.1 in) over 9 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Grafton Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Grafton
Grafton enjoys sunny spells year-round. September sees up to 8.7 hours of daily sunshine, perfect for a sunny trip. June, the least sunny month, still offers a generous 6.7 hours of sun despite this cloudier time of the year.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Grafton by Month
The relative humidity is high throughout the year in Grafton.
The city experiences its highest humidity in February, reaching 72%. In August, the humidity drops to its lowest level at 54%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Grafton
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: April, May, June, July, August, September, October and November
- Warmest weather: January, February and December
- Most sunshine: August, September and October
- Fewer rainy days: June, July, August, September and October
- Seasonal pattern: A distinct dry season from July to September
Frequently asked questions about the climate in Grafton
What is the best time to visit Grafton?
April, May, June, July, August, September, October and November typically offer the most optimal weather in Grafton. In contrast, January tends to have less optimal conditions. Grafton has a distinct dry season from July to September.
What temperatures can I expect in Grafton?
Daytime highs range from 20°C (68°F) in July to 30°C (86°F) in January. Nighttime lows range from 7°C (45°F) to 20°C (68°F).
How much rain does Grafton get?
Annual rainfall is around 925 mm (36 in). February is the wettest month with 135 mm (5.3 in), while July is the driest with 28 mm (1.1 in).
How sunny is Grafton?
Grafton receives around 2,785 hours of sunshine per year. September is the sunniest month with 261 hours, while June is the cloudiest with just 200 hours. Overall, Grafton enjoys abundant sunshine.
Grafton 3-Day Forecast
Grafton on the map
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