Achill Sound 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 Achill Sound, Mayo, 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 Achill Sound. Expect long, bright days with 193 hours in May and darker periods with just 40 hours in December. The total annual amount of sun is 1309 hours.

Daily hours of sunshine

In Achill Sound, summer days are longer and more sunny, with daily sunshine hours peaking at 6.4 hours in May. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.3 hours per day.

Average percent of sunshine

On average the sun shines 44% of the time during the day in May, the highest percentage of any month. December has the lowest percentage at 17%.

Achill Sound enjoys an average of 1309 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, London, UK, receives only about 1659 hours of sunshine per year, known for its frequently overcast and rainy skies.

In Shanghai, China, the annual average sunshine is 1780 hours, with cloudier weather in summer.

Perth, Australia, enjoys 3180 hours of sunshine annually, the highest among major Australian cities.

December, Achill Sound’s wettest month, receives 118 mm (4.6 in) of rainfall and has a maximum daytime temperature of 10°C (50°F). During the driest month May you can expect a temperature of 15°C (59°F).

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