Overview: Newport The temperate and generally mild weather conditions of Newport (United States of America) are characterized by a distinct variability throughout the seasons. Daytime temperatures fluctuate between a cooler average of 10 °C (50 °F) in December and a warmer average of 19 °C (66 °F) in August. The climate is notably shaped by atmospheric precipitation, with a dryer spell in July, where only 4 days of rain are expected, and a contrasting, rain-abundant November, with up to 19 days. As the seasons change, the nighttime temperatures vary, with lows reaching down to 4 °C (38 °F) in December and peaking at around 11 °C (53 °F) in July. The sea temperatures in Newport also present a significant range, bottoming out at 10 °C (50 °F) in February and rising to their highest in July at 14 °C (56 °F).