Piscataway (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 Piscataway, New Jersey, United States of America. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020.

Monthly hours of sunshine

If you're visiting Piscataway, 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 Piscataway, 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%.

Piscataway enjoys an average of 2502 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

In Barcelona, Spain, there are 2530 hours of sunshine annually and is a city that can be visited year-round.

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

In Seoul, South Korea, there are approximately 2133 hours of sunshine per year, mostly during spring and autumn.

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

December, Piscataway’s wettest month, receives 113 mm (4.4 in) of rainfall and has a maximum daytime temperature of 8°C (46°F). During the driest month November you can expect a temperature of 13°C (55°F).

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