Planning for the weather is a good way to make your trip to Yanam relaxing and enjoyable, especially when you're splurging. The hottest months are usually May and April, with an average temperature of 31°C, while the coldest months are January and December, with an average of 25°C. The rainiest months in Yanam are July, September, August and June, with each month seeing an average of 280 mm of rainfall.