Overview: Hvar Hvar (Croatia) is a place with a hot climate. The day temperatures range from 12 °C (54 °F) in January to 30 °C (86 °F) in July. The highest night temperatures could be experienced in July with 21 °C (69 °F), the lowest in February with 6 °C (42 °F). Sea temperatures are in the following range: 13 °C (56 °F) in February to 24 °C (76 °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 10 days of rain.