Weather is only one factor, but it can really affect your travel plans, especially if you're planning an extended stay in Chadong. The hottest months are usually August and July, with an average temperature of 26°C, while the coldest months are January and December, with an average of 11°C. The rainiest months in Chadong are June, May, April and March, with each month seeing an average of 345 mm of rainfall.