Karvina's winters are long and cold, with temperatures often dropping below freezing point, averaging around 0°C in January and February. Spring brings a gradual warming trend, with March temperatures ranging from -7°C to 23°C, while April and May see a steady increase, reaching averages of 4°C and 12°C respectively. Summer is warm but not hot, with July being the warmest month, averaging around 21°C, although temperatures can occasionally spike above 30°C. Autumn brings a return to cooler temperatures, with September and October averaging around 15°C and 10°C respectively. Winters are again chilly, with December temperatures ranging from -10°C to 11°C, bringing the cycle full circle.