Visiting local bars in Surat is more fun when the weather is good. These rainfall averages and temperatures can help you decide the best time for bar-hopping. The hottest months are usually April and May, with an average temperature of 30°C, while the coldest months are January and December, with an average of 25°C. The rainiest months in Surat are July, August, September and June, with each month seeing an average of 353 mm of rainfall.