Trenton (NJ) 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 Trenton, New Jersey, United States of America. This average is based on long-term data collected between 1990 and 2020.

Monthly hours of sunshine

Those who love seasonal contrasts will appreciate Trenton. Expect long, bright days with 269 hours in July and darker periods with just 140 hours in December. The total annual amount of sun is 2502 hours.

Daily hours of sunshine

This means the city can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 9.0 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 59% of the time during the day in July, the highest percentage of any month. December has the lowest percentage at 48%.

Trenton enjoys an average of 2502 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, London, UK, receives only about 1659 hours of sunshine per year, known for its frequently overcast and rainy skies.

Boston, USA, enjoys 2629 hours of sunshine annually, with distinct seasons and many bright, sunny days.

Adelaide, Australia, enjoys 2770 hours of sunshine annually, with long, sunny summers.

December, Trenton’s wettest month, receives 123 mm (4.8 in) of rainfall and has a maximum daytime temperature of 8°C (46°F). During the driest month February you can expect a temperature of 5°C (41°F).

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