Winters in Greifswald are cold and dark, with temperatures often below freezing point, averaging around 1°C in January and dipping as low as -8°C. Spring brings slow warming, with March marking a turning point where temperatures rise above 0°C to average highs of 22°C. Summer months from June to August are mild and pleasant, with average high temperatures ranging from 19-20°C, while September sees a gradual cooling trend. Autumn is cool and wet, with October temperatures falling back into single-digit averages. Decembers can be quite chilly again, bringing winter's icy grip back to the region.