Taking the local weather in Sittee River into account is an important factor for planning your visit, especially if you plan to spend your trip by the pool. The hottest months are usually April and May, with an average temperature of 26°C, while the coldest months are January and December, with an average of 22°C. The rainiest months in Sittee River are June, October, September and August, with each month seeing an average of 178 mm of rainfall.