Overview: Mílos Mílos (Greece) is a place with a hot climate. The day temperatures range from 14 °C (56 °F) in January to 29 °C (84 °F) in July. Sea temperatures are in the following range: 15 °C (59 °F) in February to 24 °C (76 °F) in August. Temperatures during the night go from 9 °C (48 °F) in February to 23 °C (73 °F) in July. The driest month is July with just 0 days of rain, on the contrary, the month when it rains the most is December with 10 days of rain.