Planning for the weather is a good way to make your trip to Valsad relaxing and enjoyable, especially when you're splurging. The hottest months are usually April and May, with an average temperature of 29°C, while the coldest months are January and December, with an average of 25°C. The rainiest months in Valsad are July, August, September and June, with each month seeing an average of 442 mm of rainfall.