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Government of Jerseygov.je

Information and public services for the Island of Jersey

L'înformâtion et les sèrvices publyis pouor I'Île dé Jèrri

Hot weather guidance

18 June 2025

​Temperatures are due to reach the high 20s by Thursday, and there is a chance they may exceed 30°C on Saturday. 

Some simple steps Islanders can take to stay cool during this hot spell include: 

  • avoid going outside during the heat of the day (midday to 6pm) 
  • leave strenuous activities for the evening when it is cooler 
  • take cold baths and showers 
  • drink plenty of water and avoid coffee and alcohol 
  • keep your home cool by closing curtains, opening windows and using fans 
  • wear a hat and loose light clothing, try to stay in the shade and carry water with you

Director of Public Health, Professor Peter Bradley, said: “While we welcome the warm weather, extreme heat can cause harm to health including heat exhaustion, heatstroke, and dehydration. There are a number of events happening this weekend and I encourage all Islanders attending, to take precautions and stay safe in the hot weather.” 

Islanders can stay up to date with the latest weather forecast at gov.je/weather​.​

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