Planning for the weather is a good way to make your trip to Nitmiluk relaxing and enjoyable, especially when you’re splurging. The hottest months are usually October and November, with an average temperature of 30°C, while the coldest months are July and June, with an average of 24°C. The rainiest months in Nitmiluk are January, December, February and March, with each month seeing an average of 264 mm of rainfall.