Ballycastle Sunshine Hours by Month

The amount of sunshine is fundamental to comprehending a place's climate. This page shows the total number of hours of direct sunlight per month and the average hours per day in Ballycastle, Mayo, Ireland. Long-term data from 1990 to 2020 was used to calculate these averages.

Monthly hours of sunshine

If you're visiting Ballycastle, timing is key. In May, you can enjoy up to 193 hours of sunshine, while the shorter days of December provide just 40 hours. The total annual amount of sun is 1309 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in Ballycastle. While May receives considerable daily sunshine with up to 6.4 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.3 hours of sunlight 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%.

Ballycastle enjoys an average of 1309 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, 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.

Oslo, Norway, receives approximately 1690 hours of sunshine annually.

Adelaide, Australia, enjoys 2770 hours of sunshine annually, with long, sunny summers.

November, Ballycastle’s wettest month, receives 121 mm (4.8 in) of rainfall and has a maximum daytime temperature of 12°C (54°F). During the driest month May you can expect a temperature of 14°C (57°F).

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