Marlborough (MA) Sunshine Hours by Month

Sunshine is key to understanding how a place experiences its seasons. This page shows the total number of hours of direct sunlight per month and the average hours per day in Marlborough, Massachusetts, United States of America. These averages rely on historical data collected over 30 years, from 1990 to 2020.

Monthly hours of sunshine

Seasonal sunshine in Marlborough varies. It peaks at 301 hours in May and drops to 141 hours in December. The total annual amount of sun is 2665 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in Marlborough. While May receives considerable daily sunshine with up to 10.0 hours, December marks the darkest time of the year, where sunshine is scarce with only 4.7 hours of sunlight per day.

Average percent of sunshine

On average the sun shines 65% of the time during the day in July, the highest percentage of any month. November has the lowest percentage at 49%.

Marlborough enjoys an average of 2665 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

Seville, Spain, enjoys an impressive 2920 hours of sunshine per year, making it an ideal destination even in winter.

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.

In Chicago, USA, the annual sunshine averages 2520 hours, contributing to its humid continental climate.

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

June, Marlborough’s wettest month, receives 100 mm (3.9 in) of rainfall and has a maximum daytime temperature of 25°C (77°F). During the driest month January you can expect a temperature of 2°C (36°F).

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