The article discusses the challenging weather conditions faced during the winter-spring crop season in the northern part of Vietnam in 2020. Despite experiencing an overall warm year, the crop was threatened by significant temperature fluctuations in April, which negatively affected rice and tea crops. The article highlights the critical temperature requirements for rice growth and yield formation, noting that abnormal weather conditions caused disruptions. Although farmers in the Red River Delta managed to cultivate rice successfully, using short-term and cold rice varieties, the article underscores the risks posed by extreme climate events on agricultural productivity.