Average Monthly Sunshine in Glastonbury (CT)

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

Monthly hours of sunshine

Those who love seasonal contrasts will appreciate Glastonbury. Expect long, bright days with 293 hours in July and darker periods with just 139 hours in November. The total annual amount of sun is 2580 hours.

Daily hours of sunshine

Summer days are longer and more sunny, with daily sunshine hours peaking at 9.8 hours in July. As the darker season arrives, the brightness of the sun becomes less. November sees a soft sun for only 4.6 hours.

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

Glastonbury enjoys an average of 2580 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, London, UK, receives only about 1659 hours of sunshine per year, known for its frequently overcast and rainy skies.

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.

Other climate information

June, Glastonbury’s wettest month, receives 109 mm of rainfall and has a maximum daytime temperature of 26°C. During the driest month January you can expect a temperature of 3°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.