Weather in Dublin in January
How warm is it in Dublin in January?
In January the typical daytime high in Dublin is 8.4 °C on average, from 8.3 °C at the start to 8.8 °C at the end of the month.
That is 0.5 °C cooler than in December and 0.7 °C cooler than in February.
The last 10 years were 0.9 °C warmer than more than 40 years ago.
Click a day for more: afternoon and night, the usual range, records and how fast it is warming.
Measured at the weather station Dublin Phoenix Park, 6 km away.