Stralsund's winters are cold and unpredictable, with temperatures fluctuating between -8°C and 10°C in January. Spring arrives slowly, with March often still chilly but occasionally reaching up to 22°C. Summer brings warmth, especially in June when temperatures can soar as high as 33°C, while July and August average around 19°C. Autumn is mild, with September and October temperatures ranging from 8°C to 26°C. Winters return with a vengeance by December, plummeting to -12°C on some days but occasionally rising to 13°C.