With winter in January you could plan visiting these places. Strandhill beach
Mourne mountains
Mussenden temple
Cobh
Mount Errigal.
https://tripoto.page.link/M2bo76m2jShASSZGA
Kindly check the above link for more details.
Here are few of the best places to visit in Ireland of interest which is just the tip of the iceberg: Dublin City
Cliffs Of Moher
Killarney National Park
The Rock Of Cashel
Dingle Peninsula
Galway City
Downhill Beach
Sligo
Blarney Castle
Cork
The Aran Islands
Belfast
Ring Of Kerry
The Burren National Park
Glendalough
Ireland Tourist Attractions Map
Donegal
The Old Jameson Distillery
Antrim
Clare
Iron Islands In Ballintoy Harbour
Derry
Connemara
Giant’s Causeway & Causeway Coast Here's a link to Ireland's travel guide that can help you more: https://www.tripoto.com/ireland/places-to-visit