Dublin Sunshine Hours by Month

To truly understand a climate, we must look at its sunshine. This page shows the total number of hours of direct sunlight per month and the average hours per day in Dublin, Dublin County, Ireland. This average is based on long-term data collected between 1990 and 2020.

Monthly hours of sunshine

Seasonal sunshine in Dublin varies. It peaks at 188 hours in May and drops to 51 hours in December. The total annual amount of sun is 1432 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 6.3 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.7 hours of sunlight 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%.

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

The city of Rome, Italy, experiences 2470 hours of sunshine annually, adding to its charm as a year-round tourist destination.

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

The climate in San Francisco, USA, includes 3072 hours of sunshine annually, thanks to its mild coastal weather.

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

November, Dublin’s wettest month, receives 79 mm (3.1 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 11°C (52°F).

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