Average Monthly Sunshine in Sterling

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

Monthly hours of sunshine

Those who love seasonal contrasts will appreciate Sterling. Expect long, bright days with 282 hours in June and darker periods with just 130 hours in December. The total annual amount of sun is 2520 hours.

Daily hours of sunshine

In Sterling, summer days are longer and more sunny, with daily sunshine hours peaking at 9.4 hours in June. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 4.3 hours.

Sterling’s total hours of sunshine compared to other major cities

Sterling enjoys an average of 2520 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.

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

Stockholm, Sweden, receives approximately 1907 hours of sunshine annually.

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

Other climate information

October, Sterling’s wettest month, receives 80 mm of rainfall and has a maximum daytime temperature of 20°C. During the driest month February you can expect a temperature of 6°C.

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