Nantucket (MA) Sunshine Hours by Month

In climate discussions, the hours of sunlight reveal much about a location. This page shows the total number of hours of direct sunlight per month and the average hours per day in Nantucket, Massachusetts, United States of America. This average is based on long-term data collected between 1990 and 2020.

Monthly hours of sunshine

Seasonal sunshine in Nantucket varies. It peaks at 301 hours in July and drops to 147 hours in January. The total annual amount of sun is 2605 hours.

Daily hours of sunshine

In Nantucket, summer days are longer and more sunny, with daily sunshine hours peaking at 10.0 hours in July. As the darker season arrives, the brightness of the sun becomes less. January sees a soft sun for only 4.9 hours per day.

Nantucket enjoys an average of 2605 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

The city of Rome, Italy, experiences 2470 hours of sunshine annually, adding to its charm as a year-round tourist destination.

In contrast, Juneau, Alaska, receives only about 1523 hours of sunshine per year and is known for its very short days in winter and frequently overcast conditions.

Meanwhile, Buenos Aires, Argentina, enjoys a humid subtropical climate with 2520 hours of sunshine annually.

Perth, Australia, enjoys 3180 hours of sunshine annually, the highest among major Australian cities.

December, Nantucket’s wettest month, receives 86 mm (3.4 in) of rainfall and has a maximum daytime temperature of 8°C (46°F). During the driest month August you can expect a temperature of 24°C (75°F).

For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Nantucket Precipitation page.