Dublin in December
The weather in December
In December, Dublin averages daytime highs of 9° and night-time lows of 3° — cold weather by day. Expect around 96 mm of precipitation spread over about 19 wet days, with average cloud cover near 50%.
Days are 1.9° cooler than in November on average, and January brings little change. The sea averages 11°, too cold for most swimmers.
December scores 17/100 — poor conditions for sightseeing — and ranks 10th of the twelve months for Dublin. For the most comfortable weather, consider June, July and August instead.
Around the middle of the month the sun rises at 08:34 and sets at 16:07 local time, giving 7 h 33 min of daylight. Days shorten by 19 minutes over the month.
Why 17/100?
How the score for December is builtBeach score this month: 10/100 (adds sea temperature and heat).
Comfort peaks for daytime highs between 18° and 25°C (64–77°F).
Around Dublin this month
Rathfarnham
Ireland's best in December
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Galway
Dublin in December: quick answers
Is December a good time to visit Dublin?
December scores 17/100 for Dublin, which we rate as poor. Average highs are 9°C with 19 wet days.
How warm is Dublin in December?
Daytime highs average 9°C and night-time lows 3°C in December.
Does it rain a lot in Dublin in December?
Dublin receives about 96 mm of precipitation in December, falling on around 19 days.
Can you swim in Dublin in December?
The sea averages 11°C in December, cold for most swimmers.