Winters in Rumia, Poland are cold and quite uniform, with temperatures ranging from around -16°C to 9°C, averaging just above freezing. As spring approaches, the temperatures gradually rise, with March marking a significant increase, often reaching up to 19°C on warmer days. Summer brings warm weather, with June being the warmest month, frequently seeing highs of over 30°C and lows of around 6°C. Autumn is mild, with September experiencing similar temperatures to August, before cooling down in October. Winters return, bringing cold temperatures back into the region.