Average Monthly Sunshine in Chatham (MA)

The graphs on this page shows the average number of hours per month and per day that Chatham receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.

Monthly hours of sunshine

Seasonal sunshine in Chatham varies. It peaks at 301 hours in July and drops to 147 hours in January. The total annual amount of sun is 0 hours.

Daily hours of sunshine

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.

Chatham’s total hours of sunshine compared to other major cities

Chatham enjoys an average of 0 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

Athens, Greece, enjoys 2769 hours of sunshine each year, making it one of the sunniest destinations in the Mediterranean region.

In contrast, Brussels, UK, receives only about 1590 hours of sunshine per year, known for its frequently overcast and rainy skies.

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

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

Other climate information

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

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