Weather is probably a major factor when you plan your trip to Nambucca Heads, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually January and February, with an average temperature of 23°C, while the coldest months are July and August, with an average of 15°C. The rainiest months in Nambucca Heads are March, February, January and December, with each month seeing an average of 191 mm of rainfall.