Planning for the weather is a good way to make your trip to Cua Lo relaxing and enjoyable, especially when you're splurging. The hottest months are usually June and July, with an average temperature of 29°C, while the coldest months are January and December, with an average of 20°C. The rainiest months in Cua Lo are October, September, August and July, with each month seeing an average of 316 mm of rainfall.