Ireland weather in January 2026
Ireland weather in January 2026
Day
9 °C
Night
3 °C
Sea
9 °C
Precipitation
116 mm
in month
Rainy days
17 days
in month
Daylight
8 hours
average
Sunshine
2 hours
average
Humidity
90 %
Day
9 °C
Night
3 °C
Sea
9 °C
Precipitation
116 mm
in month
Rainy days
17 days
in month
Daylight
8 hours
average
Sunshine
2 hours
average
Humidity
90 %
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Weather overview and FAQs
Weather overview
In January in Ireland, the average air temperature ranges from 9 °C (48 °F) during the day to 3 °C (38 °F) at night. There are 17 days of rain on average, where the rainfall is 116 mm (4.55 in).
Are there good conditions to visit in Ireland in January?
In January 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 3 °C (38 °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 January?
In January in Ireland, 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.
Is there a dry season in Ireland in January?
No, January is not a dry month in Ireland, expect rain approximately 17 days in a month.
How many rainy days can I expect in Ireland in January?
In January in Ireland, 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 4.0 days of the week, or in general - 57 % days.
How heavy is the precipitation in January in Ireland?
There is precipitation of 116 mm (4.55 in) in January in Ireland, which means 4 mm (0.15 in) rainfall per day on average.
Is there a wet season in January in Ireland?
No, there is no wet season in January in Ireland - you can expect 17 days of rain during the month.
What is the air temperature in Ireland in January at night?
The average night temperature in Ireland in January is 3 °C (38 °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 humidity in January in Ireland?
Humidity in Ireland in January is 90 %. This humidity is rather above average, but except for sensitive individuals, it should not be a problem.
Is it freezing in Ireland in January?
It is not very likely that you will experience freezing in Ireland in January, daily temperatures will rise to 3 °C (38 °F).
How long is the day (from dawn till dusk) in Ireland in January?
The length of daylight in Ireland in January is 8 hours.
Is Ireland rainier in January than in February?
Yes, Ireland is a rainier January than in February.
How windy is Ireland in January?
An average wind scale that can be expected in Ireland in January is 5.