Winters in Salo are harsh and cold, with temperatures often dropping below -20°C for extended periods. Spring brings a gradual warming trend, with temperatures slowly rising into the double digits by May. Summers are mild and pleasant, with temperatures rarely exceeding 30°C, while autumns are generally cool, with temperatures dipping back down to around 0°C by November. The coldest months are January and December, averaging -4°C and -5°C respectively, while the warmest month is July, averaging a relatively balmy 20°C.