Dalkey Sunshine Hours by Month

When exploring climate, sunlight hours tell an important story. This page shows the total number of hours of direct sunlight per month and the average hours per day in Dalkey, Dublin County, Ireland. The figures are based on a 30-year period (1990–2020) to provide a reliable average.

Monthly hours of sunshine

Those who love seasonal contrasts will appreciate Dalkey. Expect long, bright days with 188 hours in May and darker periods with just 51 hours in December. The total annual amount of sun is 1432 hours.

Daily hours of sunshine

In Dalkey, summer days are longer and more sunny, with daily sunshine hours peaking at 6.3 hours in May. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.7 hours per day.

Average percent of sunshine

On average the sun shines 42% of the time during the day in May, the highest percentage of any month. December has the lowest percentage at 23%.

Dalkey enjoys an average of 1432 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

In Barcelona, Spain, there are 2530 hours of sunshine annually and is a city that can be visited year-round.

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.

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

November, Dalkey’s wettest month, receives 83 mm (3.3 in) of rainfall and has a maximum daytime temperature of 12°C (54°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 Dalkey Precipitation page.