Overview: MiamiMiami (United States of America) is a place with a tropical climate. Temperatures during the day are in the range from 24 °C (75 °F) in January to 32 °C (90 °F) in August. Temperatures during the night go from 16 °C (61 °F) in January to 26 °C (78 °F) in August. The least rainy month in Miami is March with its 6 days of rain, the rainiest month is August, when it rains 18 days.