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Staying safe in periods of extreme heat

warning symbol on windmill farm

The Met Office has announced a red weather warning for extreme heat covering the Cwm Taf Morgannwg region over the next few days.

An exceptional spell of hot and humid weather is expected, which could have an impact on the general population. 

Anyone can become unwell when the weather is hot. Those most at risk are older people, especially those over 65, very young children, people with pre-existing medical conditions and those who live on their own or in care homes.  

Advice for the general public 

Stay out of the heat 

  • Try to stay indoors, especially between 11am and 3pm when the  

  • Avoid strenuous outdoor activities such as sport, DIY or gardening. If this is not possible, do it during the cooler parts of the day 

  • Use sunscreens or sun blocks to help prevent sunburn 

  • Cover up with a t-shirt or other loose-fitting clothes 

  • Wear a hat to shade your head and sunglasses to protect your eyes 

  • Stay in the shade where possible 

Cool down 

  • Drink plenty of water, at least eight glasses a day. Avoid alcohol, tea or coffee as they can cause dehydration  

  • Take a cool bath or shower, or splash your face with cold water to cool down 

Keep your environment cool 

  • Turn off non-essential lights and electrical equipment - they generate heat 

  • Keep indoor plants and bowls of water in the house - evaporation helps cool the air 

  • If possible, move into a cooler room, especially for sleeping 

  • Electric fans may provide some relief, but only use if necessary 

  • Remain in the coolest parts of the building as much as possible 

  • Keep rooms shaded and cool by closing blinds and curtains and opening windows 

Look out for others 

  • Keep an eye on isolated, elderly, ill or very young people and make sure they are able to keep cool 

  • Ensure that babies, children or elderly people are not left alone in stationary cars 

  • Check on elderly or sick neighbours, family or friends every day if possible 

  • Be alert and call a doctor or social services if someone is feeling unwell or further help is needed 

If you have a health problem 

  • Keep medicines below 25°C or in the fridge (read the storage instructions on the packaging) 

  • Seek medical advice if you suffer from a chronic health condition/take multiple medications 

If you or others feel unwell 

  • Try to get help if you feel dizzy, weak, anxious or have intense thirst and headache 

  • Move to a cool place as soon as possible and measure your body temperature 

  • Drink some water or fruit juice to rehydrate 

  • If you have sunburnt, the minor injuries unit may be able to help 

  • If you are feeling unwell and you are unsure of your symptoms, please visit the NHS 111 Wales website or call 111 

For more advice on staying safe and cool in hot weather, please visit this webpage.