January

• 1 January – Social services in Wales have estimated they face a £646m shortfall over the next three years as a result of Welsh Government budget cuts.^[4]
• 2 January – Provisional data released by the Met Office indicates 2023 was the second warmest year on record in the UK behind 2022, with Wales and Northern Ireland experiencing their warmest year on record during 2023.^[5]
• 3 January – Huw Jakeway, chief fire officer of South Wales Fire and Rescue Service, announces his departure from the role following the publication of a report concluded that the service had tolerated sexual harassment and domestic abuse outside work.^[6]
• 4 January – Storm Henk causes widespread flooding in many parts of Wales. Twenty-five Welsh rivers are the subject of warnings.^[7]
• 6 January – Jeremy Miles rules out reversing Wales's 20 mph speed limit if he becomes first minister.^[8]
• 8 January
  • Road speed limits in Wales:
    • Police begin enforcing Wales's 20 mph speed limit.^[9]
    • Outgoing First Minister Mark Drakeford says that drivers who are "genuinely confused" about the new speed limit rules will not be prosecuted.^[10]
• 9 January – Fijian rugby union player Api Ratuniyarawa is sentenced at Cardiff Crown Court to two years and ten months in prison after admitting three sexual assaults in a Cardiff nightclub in late 2023.^[11]
• 10 January
  • All local authorities in Wales are to ban the practice of giving away pets, such as goldfish, at funfairs and other events held on public land, but RSPCA Cymru urges the Welsh Government to legislate for a ban to prevent it continuing on private land.^[12]
  • Gemma Grainger stands down as manager of the Wales women's national football team to take up the position of head coach with Norway.^[13]
• 11 January
  • Dyfed-Powys Police have launched a hate crime investigation after a note was attached to a property in Aberystwyth describing its occupants as "low-life" who should go back to "Brummyland".^[14]
  • Presteigne and Norton in Powys are announced as Wales's first dark sky community.^[15]
• 15 January – Junior doctors in Wales are scheduled to begin a three-day strike over pay.^[16]

Predicted and scheduled events

• 1 February – It will become a criminal offence to own an American XL Bully dog in England and Wales unless the owner has successfully applied for the dog to be exempt.^[17]
• 16 March – The result of the 2024 Welsh Labour leadership election is scheduled to be announced, with the winner expected to be confirmed in the following days as First Minister of Wales.^[18]

National Eisteddfod of Wales

• TBD

Music

Broadcasting