Ronkonkoma (NY) Sunshine Hours by Month

Sunshine is key to understanding how a place experiences its seasons. This page shows the total number of hours of direct sunlight per month and the average hours per day in Ronkonkoma, New York State, United States of America. These averages rely on historical data collected over 30 years, from 1990 to 2020.

Monthly hours of sunshine

Sunshine in Ronkonkoma varies greatly throughout the year. The sunniest month, July, reaches an impressive 271 hours, while December, the darkest month, offers only 141 hours. The total annual amount of sun is 2544 hours.

Daily hours of sunshine

In Ronkonkoma, 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 63% of the time during the day in August, the highest percentage of any month. December has the lowest percentage at 48%.

Ronkonkoma enjoys an average of 2544 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, Reykjavík, Iceland, receives only about 1330 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.

Melbourne, Australia, has 2380 hours of sunshine annually, with its famous “four seasons in a day” weather pattern.

December, Ronkonkoma’s wettest month, receives 96 mm (3.8 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 12°C (54°F).

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