Overview of Dublin: Climate

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Being subject to the moderating effects of the Atlantic Ocean, Dublin has a very mild climate. The average temperature differs by only 10°C (18°F) from January to July.

Contrary to some popular perception, Dublin is not an especially rainy place. Its annual rainfall average is only 732.7 mm, lower even than London. However, its precipitation is spread out evenly so that on many days there will be a light shower.

Winters in Dublin are mild--temperatures often hover around the 5°C (41°F) mark and rarely go below freezing. Snow does occur, but it is not common and most of Dublin's winter precipitation comes in the form of a chilly rain. This climate could be most comparable to the northwest United States and southwest Canada, as well as to much of coastal Western Europe.

Summers in Dublin are also mild. The average maximum temperature is 19°C (66°F) in July, far cooler than even most of the coldest American cities. The hottest temperature ever recorded in Dublin is a mere 29°C (87°F), which in many other parts of the world, even at its own latitude, is just a typical summer day. Don't plan on too many hot summertime activities. Thunderstorms also don't happen very often in Dublin, on average only 4 days a year. Overall, the climate is very mild and meek.