Planning for the weather is a good way to make your trip to Gravedona relaxing and enjoyable, especially when you’re splurging. The hottest months are usually July and August, with an average temperature of 19°C, while the coldest months are January and February, with an average of 4°C. The rainiest months in Gravedona are August, November, May and October, with each month seeing an average of 210 mm of rainfall.