Castlereagh 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 Castlereagh, Down County, United Kingdom. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020.

Monthly hours of sunshine

Those who love seasonal contrasts will appreciate Castlereagh. Expect long, bright days with 184 hours in May and darker periods with just 39 hours in December. The total annual amount of sun is 1297 hours.

Daily hours of sunshine

This means the city can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 6.1 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.3 hours of sunlight per day.

Average percent of sunshine

On average the sun shines 39% of the time during the day in May, the highest percentage of any month. December has the lowest percentage at 15%.

Castlereagh vs Major Cities: Sunshine Compared

Castlereagh enjoys an average of 1297 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

Seville, Spain, enjoys an impressive 2920 hours of sunshine per year, making it an ideal destination even in winter.

In contrast, London, UK, receives only about 1659 hours of sunshine per year, known for its frequently overcast and rainy skies.

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

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

Related Climate Data for Castlereagh

October, Castlereagh’s wettest month, receives 93 mm (3.7 in) of rainfall and has a maximum daytime temperature of 14°C (57°F). During the driest month March you can expect a temperature of 10°C (50°F).

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