Northern Ireland - United Kingdom weather in December 2025
Northern Ireland - United Kingdom weather in December 2025
Day
8 °C
Night
3 °C
Sea
10 °C
Precipitation
104 mm
in month
Rainy days
18 days
in month
Daylight
7 hours
average
Sunshine
1 hours
average
Humidity
91 %
Day
8 °C
Night
3 °C
Sea
10 °C
Precipitation
104 mm
in month
Rainy days
18 days
in month
Daylight
7 hours
average
Sunshine
1 hours
average
Humidity
91 %
Overview: Northern Ireland - United Kingdom
Weather charts for Northern Ireland - United Kingdom
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Weather overview and FAQs
Weather overview
In Northern Ireland in December, the average air temperature ranges from 8 °C (46 °F) during the day to 3 °C (37 °F) at night. There are 18 days of rain on average, where the rainfall is 104 mm (4.08 in).
Are there good conditions to visit in Northern Ireland in December?
In December there are not good conditions to visit Northern Ireland. A relatively low temperature of 8 °C (46 °F) may be ideal for walking or outdoor activities, but some people may have a different idea of the holiday. The night temperature of 3 °C (37 °F) is not inviting for evening and night activities except for visiting a bar and having beer or two.
What temperature can I expect during the day in December in Northern Ireland?
In Northern Ireland in December, the average daily temperatures will be 8 °C (46 °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 many sunny hours can I expect in December in Northern Ireland?
In Northern Ireland in December, you can expect around 1 hour of sunshine.
What is the rainfall intensity in Northern Ireland in December?
In Northern Ireland in December, there is 104 mm (4.08 in) rainfall, which means on average 4 mm (0.14 in) rainfall per day.
How many days of precipitation on average can I expect in Northern Ireland in December?
There are 18 days, which are rainy in December in Northern Ireland, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 4.1 days of the week, or in general - 59 % days.
Is December part of the wet season in Northern Ireland?
No, there is no wet season in December in Northern Ireland - you can expect 18 days of rain during the month.
What is the night temperature in December in Northern Ireland?
The average night temperature in Northern Ireland in December is 3 °C (37 °F). The nights will be cool, layers of clothes will be needed for evening and morning walks, the hotel should be equipped with heating.
How long is the day (from dawn till dusk) in Northern Ireland in December?
The length of daylight in Northern Ireland in December is 7 hours.
Can I expect a freeze in Northern Ireland in December?
It is not very likely that you will experience freezing in Northern Ireland in December, daily temperatures will rise to 3 °C (37 °F).
What level of humidity is to expect in December in Northern Ireland?
In December in Northern Ireland, expect humidity around 91 %. This humidity is rather above average, but except for sensitive individuals, it should not be a problem.
How windy is it in December in Northern Ireland?
In Northern Ireland in December, there will be an average wind scale of 6.
Is the weather in Northern Ireland warmer in December than in January?
No, December is not warmer in Northern Ireland than January.