Overview: Cape Coral, FL Cape Coral, FL (United States of America) in general has a tropical climate. The day temperatures range from 24 °C (76 °F) in January to 34 °C (93 °F) in July. Temperatures during the night go from 12 °C (54 °F) in January to 24 °C (74 °F) in August. The driest month is April with just 5 days of rain, on the contrary, the month when it rains the most is August with 16 days of rain.