Get up to €50 off your stay

Dublin weather in December

Dublin in December averages 6°C (42°F), 72 mm of rain and 1.8 hours of sun a day.

Of the twelve months in Dublin, December is the third coldest, the fourth wettest and the dullest.

Dublin
Average temp
6°C (42°F)

3–8°C · 37–47°F

Rainfall
72 mm

Showers likely

Sunshine
1.8 h

hours per day

Wind
22 km/h
Share:
Summarize with:

What is Dublin like in December?

Daytime

Days are cool.

Rain

Some rain is likely; pack for showers.

Evening

Evenings are cooler. A layer helps after sunset.

What should I pack for Dublin in December?

  • A light rain jacket

    About 72 mm falls this month — showers rather than washouts.

  • A warm mid-layer

    Nights drop to around 3°C (37°F).

December compared with November and January

December in Dublin is 1.8°C cooler than November and 11 mm drier than it, which averages 7°C (45°F).

December in Dublin is about the same temperature as January and 10 mm wetter than it, which averages 5°C (42°F).

Daylight in Dublin in December

On 15 December the sun is up for 7 hours 32 minutes in Dublin, rising about 08:34 and setting about 16:06 local time.

December ends 16 minutes shorter than it begins, so the last week of the month is a different length of day from the first.

No month in Dublin has less daylight than December.

Where to stay in Dublin

Dates are a starting point for December.

All hotels in Dublin

Dublin weather by month

TemperatureRainfall

Source: MeteostatPeriod: 1991-2020Checked: 2 Sept 2026358 places covered

How December compares with the rest of the year

December is highlighted. Every other month links to its own page.

Dublin weather by month: average temperature, rainfall, sunshine and wind for each month, from 1991–2020 climate normals
MonthAverageRainfall
January5°C / 42°F62 mm
February5°C / 42°F52 mm
March7°C / 44°F52 mm
April8°C / 47°F55 mm
May11°C / 51°F58 mm
June14°C / 56°F65 mm
July15°C / 60°F62 mm
August15°C / 59°F74 mm
September13°C / 56°F61 mm
October10°C / 51°F78 mm
November7°C / 45°F83 mm
December6°C / 42°F72 mm

Similar weather in December

Other destinations whose December averages sit close to this one.

Check another month

This is the month you are reading. Change either side to look at another.

FAQs about Dublin in December

December climate averages for Dublin, 1991–2020.

Dublin averages 6°C (42°F) in December, ranging from about 3°C (37°F) at night to 8°C (47°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.

Some. About 72 mm falls across December, enough to need a light jacket but not enough to reshape a trip.

They are about the same. December averages 6°C (42°F) and January 5°C (42°F), so temperature alone will not decide between them.

December is 1.8°C cooler than November, and 11 mm drier.

It is outside the easiest window. The most comfortable stretch here is May to October; December sits outside it, which usually means more heat, more rain, or both — worth it if you would rather have the place to yourself.

About 1.8 hours of sun a day on the 1991–2020 average, so daylight is short on useful sun.

This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what December is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.

About 7 hours 32 minutes of daylight in mid-December, the least of any month in Dublin.

On 15 December, sunrise is about 08:34 and sunset about 16:06 local time. Both shift across the month — the month ends 16 minutes shorter than it starts.