Narita's winters are chilly, with temperatures often below freezing and occasional drops as low as -6°C in January. Spring brings mild conditions, with temperatures gradually warming up to around 20°C by April. Summer is hot and humid, with temperatures frequently reaching over 30°C from June to August. Autumn sees a return to milder weather, with temperatures ranging from 5-25°C, before cooling off again in the winter months. Overall, Narita's temperature varies significantly throughout the year, but generally stays within a comfortable range for most of spring and autumn.