Average Monthly Sunshine in New Castle (DE)

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

Monthly hours of sunshine

If you're visiting New Castle, timing is key. In July, you can enjoy up to 275 hours of sunshine, while the less sunny days of December provide just 140 hours. The total annual amount of sun is 2500 hours.

Daily hours of sunshine

For those who appreciate different seasons, the city serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 9.2 hours of sunshine daily, and embrace the darker days in December, offering only 4.7 hours of daily sunlight.

New Castle’s total hours of sunshine compared to other major cities

New Castle enjoys an average of 2500 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.

In contrast, Reykjavík, Iceland, receives only about 1330 hours of sunshine per year, known for its frequently overcast, dark winter and rainy skies.

Oslo, Norway, receives approximately 1690 hours of sunshine annually.

In Brisbane, Australia, the annual sunshine averages 2999 hours, making it one of Australia’s sunniest cities.

Other climate information

June, New Castle’s wettest month, receives 122 mm of rainfall and has a maximum daytime temperature of 28°C. During the driest month November you can expect a temperature of 13°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.