Planning for the weather is an important factor for making your trip to Hoa Lu a success, 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 Hoa Lu are August, September, July and October, with each month seeing an average of 293 mm of rainfall.