Dublin, Ireland skyline

Dublin Weather in December

Typical December weather in Dublin, Ireland, based on 2006–2025 climate averages.

In December, Dublin averages a high of 8.6°C (47.5°F) and a low of 4.3°C (39.7°F), with about 14 rainy days (82 mm of rain) and 3.7 hours of sunshine a day.

Avg high

8.6°C (47.5°F)

Avg low

4.3°C (39.7°F)

Rainfall

82 mm (3.2 in)

Rainy days

14 days

Sunshine

3.7 h / day

Humidity

86%

December vs the rest of the year

Here is how every month in Dublin stacks up against December — the 5th wettest month for rain.

MonthAvg highvs DecemberRainRainy days
January7.9°C (46.2°F)−0.7°C (−1.3°F)70 mm13
February8.6°C (47.5°F)same63 mm12
March9.9°C (49.8°F)+1.3°C (+2.3°F)68 mm13
April12°C (53.6°F)+3.4°C (+6.1°F)62 mm12
May14.9°C (58.8°F)+6.3°C (+11.3°F)66 mm13
June17.6°C (63.7°F)+9°C (+16.2°F)79 mm14
July19.2°C (66.6°F)+10.6°C (+19.1°F)86 mm15
August18.7°C (65.7°F)+10.1°C (+18.2°F)84 mm14
September16.8°C (62.2°F)+8.2°C (+14.8°F)79 mm12
October14°C (57.2°F)+5.4°C (+9.7°F)87 mm13
November10.4°C (50.7°F)+1.8°C (+3.2°F)91 mm13
December8.6°C (47.5°F)—82 mm14

What December feels like in Dublin

December is early winter in Dublin. Days are chilly rather than freezing, and walking is comfortable with a proper jacket. There is little difference between day and night: nights are cold, and evenings feel much like the afternoon. Damp air makes the cold feel rawer than the numbers alone suggest.

Rain in Dublin in December

Rain is part of normal life this month, falling on about every other day. Each rainy day adds about 5.9 mm (0.2 in), a proper wetting rather than a sprinkle. The yearly figure is similar, around 5.8 mm per wet day.

Daylight and sunshine in December

On 15 December the sun rises at about 8:34 am and sets around 4:07 pm local time, giving 7 h 33 min of daylight. Days are getting shorter: 1 h 9 min less daylight than in mid-November. About 49% of daylight hours are sunny; in short, sun and cloud share the day.

How December compares to the rest of the year

December is the 3rd coolest month of the year in Dublin. Afternoons run 1.8°C (3.2°F) cooler than in November, with 9 mm less rain. The cooling trend carries on into January. The next month's average high: 7.9°C (46.2°F).

Who December suits

  • Sightseeing: less ideal — it is cold for long walks.
  • Parks & outdoor: less ideal — too cool to sit outside for long.
  • Beach: less ideal — the sea air is too cool.

Tips for visiting Dublin in December

Rain Protection

A packable rain jacket saves the day on showery afternoons.

Warm Layers

A warm jacket, a hat and gloves for cold mornings and evenings.

Quick questions

How warm is Dublin in December?

Afternoons average 8.6°C (47.5°F) and nights about 4.3°C (39.7°F) — chilly by most people's standards. It is the 3rd coolest month of the year.

Does it rain a lot in Dublin in December?

Quite a lot — 82 mm spread over about 14 days.

What should I wear in Dublin in December?

Pack rain protection and warm layers. There is little need to change for the evening.

Is December or January better for visiting Dublin?

January scores better on our climate ranking (#11 of 12 vs #12), rated Fair against Fair. January has fewer rainy days.

Is December a good time to visit Dublin?

Fair

Fair — chilly days, frequent rain (about 14 rainy days). Within Dublin's own year, December ranks #12 of 12 — one of the least comfortable months.

December in other Ireland cities

Warmer or drier places in December

Plan a trip to Dublin

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Monthly averages from 20 years of Open-Meteo history (2006–2025), not a forecast — see all 12 months in Dublin weather by month.