Billerica (MA) Sunshine Hours by Month

Sunshine plays a big role in understanding the climate of a city. This page shows the total number of hours of direct sunlight per month and the average hours per day in Billerica, Massachusetts, United States of America. These values are calculated using 30 years of data (1990–2020) to ensure accuracy.

Monthly hours of sunshine

Seasonal sunshine in Billerica 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

This means the city can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 10.0 hours of sunshine daily. In contrast, the city experiences much darker days in December, 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%.

Billerica vs Major Cities: Sunshine Compared

Billerica enjoys an average of 2665 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.

Manchester, UK, experiences just around 1420 hours of sunshine annually.

Beijing, China, has 2505 hours of sunshine annually, with clear, sunny days in winter.

In Tokyo, Japan, the average annual sunshine is 1930 hours, with sunny periods between rainy seasons.

Related Climate Data for Billerica

December, Billerica’s wettest month, receives 96 mm (3.8 in) of snow/rainfall and has a maximum daytime temperature of 5°C (41°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 Billerica Precipitation page.