Bac Ninh experiences a warm and humid climate year-round, with temperatures gradually increasing from winter to summer. The coolest months are December and January, with average temperatures ranging from 11-16°C, while the hottest months are May to June, with average highs often reaching over 30°C. During these hot months, temperatures can sometimes soar above 40°C, although this is not a consistent occurrence. Spring and autumn are mild and pleasant, with average temperatures between 15-25°C. Summer is characterized by frequent rain showers and high humidity, while winters are relatively dry and cool.