Winters in Starogard Gdanski are harsh, with temperatures often dropping below freezing point, averaging around -1°C in January and remaining chilly throughout February and December. Spring brings a gradual warming trend, with March temperatures rising above 0°C and April enjoying mild days up to 21°C. Summer months of June, July, and August are warm, with average highs ranging from 19°C to 20°C, but still experiencing cooler nights. Autumn is cool and unpredictable, with September temperatures dropping back down to around 14°C and October fluctuating between cold and mild days. The coldest winter month is January, while the warmest summer months are June and July.