Average Monthly Sunshine in Swanley Junction

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

Monthly hours of sunshine

Seasonal sunshine in Swanley Junction varies. It peaks at 205 hours in June and drops to 50 hours in December. The total annual amount of sun is 1577 hours.

Daily hours of sunshine

In Swanley Junction, summer days are longer and more sunny, with daily sunshine hours peaking at 6.8 hours in June. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.7 hours per day.

Swanley Junction’s total hours of sunshine compared to other major cities

Swanley Junction enjoys an average of 1577 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, Juneau, Alaska, receives only about 1523 hours of sunshine per year and is known for its very short days in winter and frequently overcast conditions.

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

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

Other climate information

August, Swanley Junction’s wettest month, receives 63 mm of rainfall and has a maximum daytime temperature of 23°C. During the driest month March you can expect a temperature of 12°C.

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