Our weather and climate analysis offers a detailed understanding of average weather patterns for locations across the globe. Derived from 26 years of historical simulated weather data from ECMWF, it provides valuable insights into typical weather conditions, including air temperature, humidity, precipitation, cloud cover and wind. It is important to note the data is not observational, but rather derived from climate reanalysis.
Our database was last updated in January 2026, and current weather and climate guides are derived from an hourly dataset spanning 26 years (2000 to 2025). Our database contain modified Copernicus Climate Change Service information for these years. Refer to our Terms for full acknowledgements and disclaimers.
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Discover if upcoming months are expected to be warmer, colder, wetter, or drier than average
What is the best time to visit Dublin to enjoy the optimal weather conditions?
This quick reference weather table contains a summary of the annual climate trends in Dublin. It contains key metrics, including average monthly high & low temperatures, rainfall, humidity and UV index. The data is presented on a monthly basis, allowing you to see how each these weather components change throughout the year.
Dublin's long-term climate patterns earn these Weather Badges.
Explore the most extreme weather events in Dublin over the past 26 years, including record highs and lows for temperatures, rainfall, and wind speeds. This data is sourced from the latest ERA5 reanalysis model spanning 2000 to 2025.
Explore weather patterns in areas close to Dublin, Ireland
Explore places with similar climates and weather patterns to Dublin, Ireland
Use our Climate Finder to search locations by their temperature and humidity patterns.
Dublin experiences a consistent, temperate maritime climate characterized by mild winters and cool, refreshing summers. WeatherBox data shows that the city avoids extreme thermal swings, with the average temperature variance between seasonal peaks limited to just 9.8°C (17.6°F). During the warmest month, the average daily high reaches a pleasant 18.1°C (64.6°F), while the broader average summer daily temperature settles at 14.6°C (58.3°F). Conversely, conditions remain generally cool rather than freezing during the colder months; the average winter daily temperature is 5.7°C (42.3°F), and thermometer readings rarely fall below -0.2°C (31.6°F).
Rainfall is a constant feature of the local environment, distributing significant moisture throughout the year. The annual precipitation totals 945 mm (37 in), with the heaviest accumulation typically occurring in autumn. October sees the highest average rainfall of 94 mm (4 in), contributing to a wet season where monthly averages reach 88 mm (3 in). Cloud cover is similarly dominant, with skies classified as scattered to overcast up to 90.1 of the time during the cloudiest month. Despite the frequent cloud cover, late spring offers a reprieve; May provides the most illumination with an average of 263.8 of sunshine.
Atmospheric conditions in the city include consistent humidity, with relative levels fluctuating between 79.5 and 87.5 depending on the season. Air movement is typically moderate, with prevailing winds blowing from the WSW approximately 11.7 of the time. During the windiest periods, sustained speeds average 18.8 km/h (11.7 mph), though gusts rarely exceed 38.2 km/h (23.7 mph). Solar intensity remains moderate even in mid-summer, as the average peak UV Index is 4.1. Use the advanced weather charts on WeatherBox to explore these climatic patterns in greater detail.
