Chinandega's climate is characterized by a relatively constant high temperature throughout the year, with minimal seasonal variation. Daytime temperatures often soar above 35°C during most months, while nighttime temperatures rarely dip below 20°C. The hottest months are March to May, when temperatures can reach as high as 40°C, while the coolest months are January and December, with temperatures ranging from 18-38°C. June to August is a slight respite from the heat, but only by a few degrees, with temperatures still averaging around 30°C. Overall, Chinandega's climate is hot and humid year-round, with little seasonal change.