Planning for the weather is an important factor for making your trip to Vale dos Vinhedos a success, especially when you’re splurging. The hottest months are usually January and February, with an average temperature of 22°C, while the coldest months are July and June, with an average of 14°C. The rainiest months in Vale dos Vinhedos are October, September, January and May, with each month seeing an average of 202 mm of rainfall.