Overview: New Orleans, LANew Orleans, LA (United States of America) is a place with a hot climate. Temperatures during the day are in the range from 17 °C (63 °F) in January to 33 °C (92 °F) in August. Temperatures during the night go from 6 °C (43 °F) in January to 24 °C (75 °F) in July. The least rainy month in New Orleans, LA is April with its 7 days of rain, the rainiest month is July, when it rains 20 days.