Olympia's winter months are cool and sometimes cold, with January averaging around 6°C and December averaging just 3°C. Spring arrives in March, bringing mild temperatures that gradually warm up through April and May, with the latter two months averaging around 13-19°C. Summer is characterized by relatively stable high temperatures around 19-20°C, with July and August being the warmest months, but still quite moderate compared to other parts of the world. As autumn sets in, temperatures begin to drop again, reaching average lows of around 8°C in November.