Ireland weather in December 2025
Ireland weather in December 2025
Day
9 °C
Night
4 °C
Sea
10 °C
Precipitation
119 mm
in month
Rainy days
17 days
in month
Daylight
7 hours
average
Sunshine
1 hours
average
Humidity
91 %
Day
9 °C
Night
4 °C
Sea
10 °C
Precipitation
119 mm
in month
Rainy days
17 days
in month
Daylight
7 hours
average
Sunshine
1 hours
average
Humidity
91 %
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Weather overview and FAQs
Weather overview
In December in Ireland, the average air temperature ranges from 9 °C (48 °F) during the day to 4 °C (39 °F) at night. There are 17 days of rain on average, where the rainfall is 119 mm (4.69 in).
Are there good conditions to visit in Ireland in December?
In December there are not good conditions to visit Ireland. A relatively low temperature of 9 °C (48 °F) may be ideal for walking or outdoor activities, but some people may have a different idea of the holiday. The night temperature of 4 °C (39 °F) is not inviting for evening and night activities except for visiting a bar and having beer or two.
What is the temperature in Ireland during the day in December?
In Ireland in December, the average daily temperatures will be 9 °C (48 °F). Be sure to pack warm clothes, including a jacket and a warm sweater. On some days it may occasionally freeze, but with stronger winds, the feeling of cold may increase.
How heavy is the precipitation in December in Ireland?
In Ireland in December, there is 119 mm (4.69 in) rainfall, which means on average 4 mm (0.16 in) rainfall per day.
What is the night temperature in Ireland in December?
The average night temperature in Ireland in December is 4 °C (39 °F). The nights will be cool, layers of clothes will be needed for evening and morning walks, the hotel should be equipped with heating.
What is the average number of rainy days in Ireland in December?
In Ireland in December, we can expect 17 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 3.9 days of the week, or in general - 56 % days.
How windy is Ireland in December?
An average wind scale that can be expected in Ireland in December is 5.
Is there a wet season in Ireland in December?
No, there is no wet season in December in Ireland - you can expect 17 days of rain during the month.
Is the weather in Ireland warmer in December than in November?
No, December is not warmer in Ireland than November.
How long is the day (from dawn till dusk) in Ireland in December?
The length of daylight in Ireland in December is 7 hours.
What is the humidity in Ireland in December?
Humidity in Ireland in December is 91 %. This humidity is rather above average, but except for sensitive individuals, it should not be a problem.