Visiting local bars in Hejiadian is better when you know what the weather holds. These temperatures and rainfall averages can help you decide the best time for bar-hopping. The hottest months are usually July and August, with an average temperature of 26°C, while the coldest months are January and December, with an average of 7°C. The rainiest months in Hejiadian are June, July, August and May, with each month seeing an average of 232 mm of rainfall.