Yaizu's winters are harsh and cold, with temperatures often dropping below -30°C in January and February. Spring arrives in March, bringing temperatures gradually warming up to around 26°C by April. Summers are warm and humid, with highs reaching up to 36°C in July and August, while autumns are mild and pleasant, with temperatures fluctuating between cool and warm days. In contrast, winters are chilly again from November to December, with temperatures plummeting back down to freezing levels.