The weather in Dublin is mainly influenced by its proximity to the Atlantic Ocean. The moderating aspects of this vast body of water and the Gulf Stream mean that summers are generally cooler and winters milder than comparative locations in the centre of a landmass. The ocean also helps to make the climate wetter and the temperatures less extreme than it could otherwise be.
Typically, Dublin has a great temperate climate with summer varying between a comfortable 15oC and 20oC during the months of July and August. Winter temperatures usually stay around 4oC to 8oC and major snowfalls are rare. Its location on the east coast of Ireland means that Dublin is actually in one of the driest parts of the country, but the city still has rain on around 150 days in a typical year and often rain can fall every day for weeks on end. Rain falls throughout the year, but July is typically the driest month with a monthly average of 43mm. December is often the wettest month with an average of 73mm.
The Atlantic Ocean can also be the source of strong winds that blow across Ireland. Dublin is sheltered from these, but the winds can still be strong, especially in the autumn months. It is not unknown for hurricanes to strike Ireland, but it is a rare occurrence for the country to experience storms of this strength.
In the summer months, visitors to Dublin can make the most of the long days during their visits to the city. Often it only truly falls dark after 11pm and the 18 hours per day of daylight are great for exploring the city. In the winter months, the days are much shorter and it will be dark around 5pm in December and January.
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