The temperatures in Grafton in August are comfortable with low of 16°C and and high up to 28°C.
You can expect about 3 to 8 days of rain in Grafton during the month of August. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Grafton in August 2025.
If you’re planning to visit Grafton in the near future, we highly recommend that you review the 14 day weather forecast for Grafton before you arrive.
Temperatures
28° / 16°
Rainy Days
6
Snowy Days
0
Dry Days
25
Rainfall
117
mm
Sun Hours
10.5
Hrs