Huilong, China experiences a temperate climate with distinct seasonal changes. Winters are cold and variable, with temperatures often below freezing in January and February, but gradually warming up towards the end of winter. As spring approaches, temperatures rise rapidly, with April and May being particularly warm, while June marks the beginning of hot summer days. The summer months from July to September are sweltering, with high temperatures and relatively little relief. Autumn brings welcome relief, with temperatures cooling down significantly in October and November, before warming up again slightly in December.