Chatham (MA) Sunshine Hours by Month

To truly understand a climate, we must look at its sunshine. This page shows the total number of hours of direct sunlight per month and the average hours per day in Chatham, Massachusetts, United States of America. These averages rely on historical data collected over 30 years, from 1990 to 2020.

Monthly hours of sunshine

Sunshine in Chatham varies greatly throughout the year. The sunniest month, July, reaches an impressive 301 hours, while January, the darkest month, offers only 147 hours. The total annual amount of sun is 2605 hours.

Daily hours of sunshine

This means the city can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 10.0 hours of sunshine daily. In contrast, the city experiences much darker days in January, with only 4.9 hours of sunlight per day.

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

In Barcelona, Spain, there are 2530 hours of sunshine annually and is a city that can be visited year-round.

In contrast, London, UK, receives only about 1659 hours of sunshine per year, known for its frequently overcast and rainy skies.

Vancouver, Canada, receives approximately 1940 hours of sunshine annually.

In Brisbane, Australia, the annual sunshine averages 2999 hours, making it one of Australia’s sunniest cities.

December, Chatham’s wettest month, receives 85 mm (3.3 in) of rainfall and has a maximum daytime temperature of 7°C (45°F). During the driest month August you can expect a temperature of 25°C (77°F).

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