Average Monthly Sunshine in Galway

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

Monthly hours of sunshine

Sunshine in Galway varies greatly throughout the year. The sunniest month, May, reaches an impressive 157 hours, while December, the darkest month, offers only 35 hours. The total annual amount of sun is 1114 hours.

Daily hours of sunshine

In Galway, summer days are longer and more sunny, with daily sunshine hours peaking at 5.2 hours in May. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.2 hours per day.

Galway’s total hours of sunshine compared to other major cities

Galway enjoys an average of 1114 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

Athens, Greece, enjoys 2769 hours of sunshine each year, making it one of the sunniest destinations in the Mediterranean region.

In contrast, Reykjavík, Iceland, receives only about 1330 hours of sunshine per year, known for its frequently overcast and rainy skies.

Stockholm, Sweden, receives approximately 1907 hours of sunshine annually.

In Tokyo, Japan, the average annual sunshine is 1930 hours, with sunny periods between rainy seasons.

Other climate information

December, Galway’s wettest month, receives 93 mm of rainfall and has a maximum daytime temperature of 10°C. During the driest month April you can expect a temperature of 14°C.

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