Visiting local bars in Sonauli is better when you know what the weather holds. These temperatures and rainfall averages can help you choose the best time for bar-hopping. 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 19°C. The rainiest months in Sonauli are July, August, June and September, with each month seeing an average of 372 mm of rainfall.