Dublin weather in December (Dublin County, Ireland)

People don't tend to visit Dublin in December since it is known as a chilly month. The average maximum daytime temperature in Dublin in December lies at 8.2°C (46.76°F). Usually it is the warmest month of the year. The average minimum temperature goes down to around 3.5°C (38.3°F) (often the minimum temperature is noted at night).

Rainfall during December is moderate with an average of 79mm (3.1 inches). There are generally around 17 rainy days. You will hardly see any sun, with only 51 hours of sunshine during the entire month.


Dublin, monthly averages in December

Show in Celsius
Min Temperature 38 °F  
Max Temperature 46 °F  
Water Temperature 51 °F *  
Chance of Rain 57%  
Precipitation 3 in  
Rainy days 17 days  
Humidity 83% *  
Sunshine 51 hrs *  
Percentage Sunshine 23% *  

Where to stay in Dublin

Where to go in Ireland in December

Find out more about the weather in Ireland in December and which places have the best weather conditions in this month.

Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inches a month).

So what to wear in December? With a water temperature of around 11.0°C (51.8°F), there is no need to bring your swimwear.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in December.

Outdoor sports

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Dublin.

Our site offers climate and forecast data for almost all countries in the world. Are you going to Ireland? On this website you can find historical weather averages for many cities in Ireland. Not sure yet where to go? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.