Mutsu's winters are chilly, with temperatures often below freezing, especially in January and February. Spring brings mild temperatures, with March and April averaging around 5-8°C, while May is warmer still, averaging 14°C. Summer months of June to August see warm highs, peaking at 34°C in July, but overall remain pleasant due to the average temperature staying relatively stable. Autumn is cool, with temperatures dropping rapidly from September to November, and winters return with freezing temperatures by December.