Overview: ViesteVieste (Italy) is a place with a hot climate. The day temperatures range from 13 °C (55 °F) in February to 29 °C (84 °F) in August. The driest month is July with just 4 days of rain, on the contrary, the month when it rains the most is December with 9 days of rain. Temperatures during the night go from 5 °C (40 °F) in February to 23 °C (73 °F) in August. The highest sea temperatures in Vieste are in August with 25 °C (78 °F) and the lowest in February with 13 °C (55 °F).