Narragansett weather The town of Narragansett experiences a humid continental climate, with hot, humid summers and mild, wet winters. The average high temperature in the summer months (June through August) is around 75°F (24°C), while the average low temperature is around 60°F (16°C). The summer months are also the town's wettest, with an average of 4-5 inches of rainfall per month. In the fall (September through November), temperatures begin to cool down, with the average high temperature in the mid-60s°F (around 18°C) and the average low temperature in the mid-40s°F (around 7°C). The fall months are also known for their vibrant foliage, making it a popular time for visitors to explore the town's many parks and nature reserves. Winter in Narragansett (December through February) is mild compared to other parts of the country, with average high temperatures in the mid-40s°F (around 7°C) and average low temperatures in the mid-20s°F (-4°C). However, the town can still experience snow and ice storms, so it's important to be prepared for winter weather if visiting during this time. Spring (March through May) brings warmer temperatures and more rainfall to Narragansett. The average high temperature in the spring months is in the mid-50s°F (around 13°C), while the average low temperature is in the mid-30s°F (around 2°C).