Plainsboro (NJ) Sunshine Hours by Month

In climate discussions, the hours of sunlight reveal much about a location. This page shows the total number of hours of direct sunlight per month and the average hours per day in Plainsboro, New Jersey, United States of America. These values are calculated using 30 years of data (1990–2020) to ensure accuracy.

Monthly hours of sunshine

If you're visiting Plainsboro, timing is key. In July, you can enjoy up to 269 hours of sunshine, while the shorter days of December provide just 140 hours. The total annual amount of sun is 2502 hours.

Daily hours of sunshine

In Plainsboro, summer days are longer and more sunny, with daily sunshine hours peaking at 9.0 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 4.7 hours 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%.

Plainsboro vs Major Cities: Sunshine Compared

Plainsboro enjoys an average of 2502 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.

Meanwhile, Buenos Aires, Argentina, enjoys a humid subtropical climate with 2520 hours of sunshine annually.

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

Related Climate Data for Plainsboro

July, Plainsboro’s wettest month, receives 139 mm (5.5 in) of rainfall and has a maximum daytime temperature of 31°C (88°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 Plainsboro Precipitation page.