Overview: GradacGradac (Croatia) is a place with a mild climate. Temperatures during the day are in the range from 10 °C (49 °F) in January to 30 °C (86 °F) in July. Temperatures during the night go from 4 °C (38 °F) in February to 20 °C (67 °F) in July. The least rainy month in Gradac is July with its 4 days of rain, the rainiest month is November, when it rains 11 days. The highest sea temperatures in Gradac are in August with 25 °C (76 °F) and the lowest in February with 13 °C (56 °F).