Temperature in Ireland in January
In Ireland in January the average maximum daytime temperatures are low and range from 8°C in Donegal to 11°C in Portmagee. Nighttime temperatures generally drop to 7°C in Portmagee and 3°C in Donegal. The month of January is in the winter season. On average, it is one of the coldest months of the year.
What is the temperature of the different cities in Ireland in January?
Explore the map below to discover average January temperatures at the top destinations in Ireland. For a deeper dive, simply click on any destination dot.
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