Westborough (MA) Sunshine Hours by Month

When exploring climate, sunlight hours tell an important story. This page shows the total number of hours of direct sunlight per month and the average hours per day in Westborough, Massachusetts, United States of America. Long-term data from 1990 to 2020 was used to calculate these averages.

Monthly hours of sunshine

Those who love seasonal contrasts will appreciate Westborough. Expect long, bright days with 301 hours in May and darker periods with just 141 hours in December. The total annual amount of sun is 2665 hours.

Daily hours of sunshine

For those who appreciate different seasons, Westborough serves as an ideal destination. Expect longer, more sun-filled days in May with an average of 10.0 hours of sunshine daily, and embrace the darker days in December, offering only 4.7 hours of daily sunlight.

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%.

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

In Lisbon, Portugal, there are approximately 2801 hours of sunshine annually, highlighting its warm and sunny Mediterranean climate.

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

The climate in San Francisco, USA, includes 3072 hours of sunshine annually, thanks to its mild coastal weather.

Melbourne, Australia, has 2380 hours of sunshine annually, with its famous “four seasons in a day” weather pattern.

June, Westborough’s wettest month, receives 106 mm (4.2 in) of rainfall and has a maximum daytime temperature of 25°C (77°F). During the driest month September 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 Westborough Precipitation page.