If you’re looking forward to lots of outings with your partner, take a look at these details about year-round temperatures in Silvassa: The hottest months are usually April and May, with an average temperature of 28°C, while the coldest months are January and February, with an average of 25°C. The rainiest months in Silvassa are July, August, September and June, with each month seeing an average of 497 mm of rainfall.