Heatwaves and Homelessness: Staying Safe in Hot Weather

When temperatures rise, many of us look forward to spending more time outdoors. But for people experiencing homelessness, a heatwave can bring serious risks.

Without access to safe shelter, cool spaces or regular drinking water, hot weather can quickly become dangerous. While winter often receives the most attention when we talk about homelessness, extreme heat can also have a significant impact on people’s health and wellbeing.

At P3, we know that homelessness doesn’t take a break when the sun comes out. That’s why it’s important to understand the risks of hot weather and know where to find support.

Why hot weather can be dangerous for people experiencing homelessness

Spending long periods outdoors in high temperatures can increase the risk of dehydration, heat exhaustion and heatstroke. For people sleeping rough or living in temporary accommodation, staying cool can be difficult.

Hot weather can also make existing physical and mental health conditions worse. Some people may have limited access to drinking water, suncream, shade or somewhere safe to rest during the hottest parts of the day.

Even overnight, high temperatures can make it difficult to sleep and recover from the heat of the day, which is why knowing the signs of heat-related illness is an important step in preventing a medical emergency.

Signs of heat exhaustion

Heat exhaustion happens when the body becomes too hot and struggles to cool itself down.

Symptoms can include:

• Feeling dizzy or faint
• Headaches
• Excessive sweating
• Feeling sick or nauseous
• Tiredness or weakness
• Muscle cramps
• Fast breathing

If someone is experiencing heat exhaustion, they should move to a cooler place, drink water if possible and rest.

If you think somebody sleeping rough is experiencing heat exhaustion, connect them to people who may be able to find them shelter. Street Link alerts connect people directly with street outreach workers in just a few simple steps.

Find out more about StreetLink, here: StreetLink.org

Signs of heatstroke

Heatstroke is a medical emergency and requires urgent help.

Symptoms can include:

• Confusion or unusual behaviour
• A very high body temperature
• Hot, dry skin
• Seizures
• Loss of consciousness

If you think someone has heatstroke, call the emergency services on 999 immediately.

Tips for staying safe during a heatwave

There are simple steps people can take to reduce the risks of hot weather.

Drink water regularly

Try to drink water throughout the day, even if you don’t feel thirsty. Staying hydrated helps your body regulate its temperature and reduces the risk of dehydration.

Stay in the shade

Where possible, avoid sitting or sleeping in direct sunlight during the hottest part of the day, typically between 11am and 3pm.

Wear lightweight clothing

Loose-fitting, light-coloured clothing can help keep your body cool.

Protect your skin

Sunburn can happen quickly during a heatwave. Using suncream, wearing a hat and covering exposed skin can help reduce the risk.

Take breaks in cool indoor spaces

Libraries, community centres, day centres and other public buildings can provide a place to cool down and access support.

Check on your wellbeing

Hot weather can affect mood, energy levels and mental health. If you’re struggling, reaching out for support can make a difference.

Find support with P3 Charity here.

What is SWEP (Severe Weather Emergency Protocol)

Many people think that SWEP (Severe Weather Emergency Protocol) only applies during freezing temperatures, but it can also be activated during periods of extreme heat. While activation thresholds vary between local authorities, SWEP may be triggered during a heatwave when high temperatures pose a serious risk to people sleeping rough.

The protocol is designed to provide emergency support and shelter during severe weather conditions, helping to prevent illness, injury and, in some cases, loss of life. For people without access to safe accommodation, prolonged exposure to extreme heat can lead to dehydration, heat exhaustion and other serious health complications.

SWEP arrangements differ from one local authority to another, meaning the support available can vary depending on where someone is located.

In addition to providing emergency accommodation, outreach teams may distribute bottled water, sun cream, hats, food vouchers and other essential items to help people stay safe. Services may also carry out additional welfare checks and provide information on places where people can access shade, drinking water and further support.

How communities can help

Everyone has a role to play in keeping people safe during extreme weather.

Small acts of kindness can make a big difference. This could include:

• Offering someone a bottle of water.
• Sharing information about local support services.
• Checking in on vulnerable neighbours.
• Contacting local outreach services if you’re worried about someone sleeping rough.

Looking out for one another helps build stronger and more connected communities.

You can fill out a StreetLink Alert here.

How P3 supports people during extreme weather

At P3, we work alongside people facing homelessness, housing difficulties and social isolation throughout the year.

Our teams provide practical support, advice and guidance to help people access the services they need. Whether someone is sleeping rough, worried about losing their home or looking for support with their wellbeing, we’re here to help.

We know that extreme weather can create additional challenges for people already facing difficult circumstances. That’s why our services continue to support people to stay safe, connected and hopeful, whatever the season.

Need support?

If you’re worried about your housing situation, concerned about someone sleeping rough, or looking for support for yourself or someone you know, P3 may be able to help.

Visit our services page to find support in your area and learn more about how we work alongside people to create positive change.