Overview: Greensboro, NCGreensboro, NC (United States of America) is a place with a mild climate. Temperatures during the day are in the range from 9 °C (49 °F) in January to 31 °C (88 °F) in July. The least rainy month in Greensboro, NC is October with its 7 days of rain, the rainiest month is July, when it rains 11 days. The highest night temperatures could be experienced in July with 20 °C (68 °F), the lowest in January with -2 °C (29 °F).