Snow and sleet are forecast for parts of the north and west of the country this week.
Met Éireann has issued a winter weather advisory for the entire country as an Arctic airmass is due.
The cold weather is due to bring sharp to severe frost and icy stretches on roads.
Showers of hail, sleet and snow are also expected in the second half of the week.
❄️Winter Weather Advisory issued❄️
Very cold this week🥶 as an Arctic airmass establishes itself over Ireland.
Updates with potential warnings will be issued in the coming days.
Full Advisory details⬇️https://t.co/ZsjQsKDvt6
Be Winter Ready guide⬇️https://t.co/Iz4QfmrzPJ pic.twitter.com/ODXUMn7lJF
— Met Éireann (@MetEireann) December 4, 2022
Met Éireann says it expects to issue formal weather warnings over the cold conditions in the coming days.