Wales could face disease-carrying mosquitoes and thousands of heat deaths by 2050 if temperatures soar

ORIGIN: https://www.yourweather.co.uk/news/

The UK’s climate advisers have warned that Wales faces deadly heatwaves, disease-carrying mosquitoes and a sharp rise in flooding unless the new Welsh government acts fast

Climate experts have warned that Wales could face escalating heat deaths, disease-carrying mosquitoes and longer extreme weather events without urgent adaptation measures

Wales recorded its warmest summer on record in 2025, and its hottest day ever was three years before that,when Hawarden in Flintshire hit a massive 37.1°C. In fact, all ten of the country’s hottest years on record have come since the start of the 2000s.

In light of that, a fresh study conducted by the independent Climate Change Committee (CCC) has set out what such a trajectory means for the decades ahead, and it’s pushed for the new Welsh government to treat adaptation as “urgent”.

Under a worst-case scenario of 4°C global warming by 2100, the report says the UK could see up to 18,000 heat-related deaths a year and that parts of Wales would start seeing mosquitoes capable of carrying disease. What’s more, heatwaves lasting a week or more