Planning for the weather is a good way to make your trip to Tinsukia relaxing and enjoyable, especially when you're splurging. The hottest months are usually August and June, with an average temperature of 27°C, while the coldest months are January and December, with an average of 19°C. The rainiest months in Tinsukia are July, August, June and September, with each month seeing an average of 499 mm of rainfall.