One spell of unusually hot weather.
Hot weather workplace wellbeing is not just about comfort.
One spell of unusually hot weather.
That’s all it takes.
Amber weather alerts. Train delays and cancellations. Schools are reviewing whether they can stay open. Employers are wondering why productivity has dipped. Hospitals facing staffing pressures.
I experienced it myself recently. I arrived for an appointment at the hospital eye clinic, only to receive a text message saying it had been cancelled due to staff shortages.
A few days later, I was at Silverstone for the British Grand Prix.
Around 170,000 fans packed the circuit on race day. The atmosphere was incredible. The racing was unforgettable.
Getting there was easy.
Getting home… not so much.
I’ve also been there in previous years when torrential rain turned the parking fields into mud and tractors were needed to pull vehicles out one by one.
This year I did one simple thing differently.
Before leaving my car, I took a photograph of exactly where I’d parked.
Ten seconds.
At the end of the day, it probably saved me half an hour of wandering around a field wondering, “Was it this row… or the next one?”
A small lesson.
When something has made life difficult before, don’t simply hope it’ll be different next time.
Prepare differently.
That, to me, is resilience.
Not pretending everything is fine.
Learning.
Adapting.
Responding.
The weather changes.
Pressure doesn’t disappear. It just shows up in different ways.
Quick Answer: What Is Hot Weather Workplace Wellbeing?
Hot weather workplace wellbeing is about how rising temperatures affect employees’ sleep, focus, mood, stress levels, productivity and safety at work.
For employers and managers, it means taking practical steps during hot weather, such as encouraging hydration, allowing breaks, improving ventilation, offering flexibility where possible and checking in with people who may be more vulnerable.
The aim is not to stop work every time the weather changes. It is to help people stay healthy, focused and supported before heat, pressure and fatigue turn into bigger workplace wellbeing issues.
Hot Weather Workplace Wellbeing: Stress, Productivity and Leadership in the UK
Hot weather doesn’t simply make us uncomfortable.
It affects how we sleep, think, communicate and perform.
When temperatures rise, our bodies have to work harder to keep us cool. That can affect concentration, decision-making, energy levels and physical performance, especially when heat is combined with dehydration, poor sleep or long periods of screen-based work.
Then there’s sleep.
Warm nights make it harder for the body to cool down enough for quality rest. Many people wake already feeling tired before the working day has even begun.
Ever found yourself:
- reading the same email three times?
- forgetting why you walked into a room?
- snapping at someone over something insignificant?
- struggling to concentrate during a meeting?
It isn’t always poor motivation.
Sometimes it’s physiology.
Our brains are already processing deadlines, emails, meetings, family responsibilities and constant interruptions. Add dehydration, poor sleep and uncomfortable temperatures, and the mental load becomes heavier.
Heat doesn’t create stress.
It magnifies it.
Have We Become Less Able to Cope With Extremes?
For those of us of a certain vintage, today’s response to extreme weather can sometimes feel very different from what we remember.
We walked to school in rain, snow and sunshine.
If the buses were delayed, you found another way.
Schools rarely closed because it was too hot, and being sent home early was almost unheard of.
In a few months’ time we’ll probably be scraping ice off the windscreen, worrying about frozen pipes, rising heating bills and wishing summer would hurry back.
That’s Britain.
But this isn’t about suggesting previous generations were tougher.
We understand far more today about health, safety and the risks that extreme temperatures can present, particularly for vulnerable people.
That’s progress.
The challenge is finding the balance.
Resilience isn’t pretending difficult conditions don’t exist.
It’s recognising them, making sensible adjustments and responding positively rather than simply reacting.
Working From Home During a Heatwave
Many people assume working from home is easier during hot weather.
Often, it isn’t.
Spare bedrooms, loft conversions and conservatories can quickly become some of the hottest rooms in the house.
Add two computer monitors, a laptop, Teams or Zoom meetings throughout the day and very little airflow, and it’s easy to feel mentally exhausted before lunchtime.
Long periods of screen time can also contribute to headaches, dry eyes, neck tension, and video-call fatigue.
Unlike being in an office, nobody walks past your desk and says:
“You’ve been sitting there for three hours. Go and get yourself a drink.”
Instead, we jump from one online meeting to the next without standing up, stretching or giving our eyes a break.
A simple habit can help.
Follow the 20-20-20 rule.
Every 20 minutes, look at something around 20 feet away for 20 seconds.
It gives your eyes and your brain a chance to reset.
Elite Sport Understands Recovery. Do We?
One thing struck me while watching elite sport recently.
Cricket stops for drinks.
Tennis players regularly sit down to recover between games.
Formula One teams constantly monitor drivers’ hydration because cockpit temperatures can become extreme.
Football has introduced cooling breaks during extreme heat.
Nobody accuses elite athletes of lacking commitment because they stop to recover.
Why?
Because recovery protects performance.
There is an important lesson for the workplace.
Most of us aren’t sprinting around a football pitch or driving a Formula One car, but we are making decisions, solving problems, supporting customers, leading teams and concentrating for hours at a time.
Hydration isn’t a luxury.
Recovery isn’t laziness.
They’re performance strategies.
If elite athletes understand that, perhaps it’s time workplaces did too.
Heat Doesn’t Just Reduce Productivity. It Increases Presenteeism.
We often hear organisations talking about absenteeism.
Far less attention is given to presenteeism: people who are physically at work but mentally running on empty.
Heatwaves can quietly increase presenteeism.
People still turn up.
They still log on.
But they’re more tired.
Less focused.
More irritable.
More likely to make mistakes.
Sometimes the biggest productivity challenge isn’t the people who aren’t there.
It’s the people who are.
Five Practical Ways to Stay Healthy and Productive During Hot Weather
- Pace yourself.
Complete your most demanding work during the cooler parts of the day where possible. - Drink before you’re thirsty.
Keep water close by and sip regularly throughout the day. - Build recovery into your day.
Take short breaks, stand up, stretch and step away from your screen between meetings. - Keep your environment as cool as possible.
Close blinds before the afternoon sun, improve ventilation and move to a cooler room if you can. - Look after each other.
If a colleague seems unusually quiet, tired or irritable, don’t ignore it. Sometimes a simple conversation makes all the difference.
What Employers and Managers Can Do
Many people are surprised to learn there is no legal maximum workplace temperature in the UK.
However, employers still have duties under health and safety law. The Health and Safety Executive says employers should keep workplace temperature at a comfortable level and provide clean, fresh air.
In periods of hot weather, sensible steps might include:
- encouraging regular hydration
- improving ventilation
- allowing more frequent breaks
- relaxing dress codes where appropriate
- considering flexible start and finish times
- reviewing physically demanding work
- checking in with vulnerable employees
- supporting remote workers as well as office-based teams
Leadership isn’t about telling people to “get on with it.”
Neither is it about wrapping people in cotton wool.
It’s about recognising what people need in order to perform at their best.
One small suggestion.
Instead of asking:
“Are you OK?”
Try asking:
“What’s making today harder than it needs to be?”
The first question often receives an automatic “I’m fine.”
The second starts a conversation.
The Real Lesson Isn’t About the Weather
Eventually, the heatwave will pass.
It always does.
Before long, many of us will be complaining about rain, snow or freezing temperatures instead.
The weather changes.
Life changes.
Work changes.
The question is whether we change with it.
The habits we build today – taking breaks, staying hydrated, supporting colleagues, planning ahead and adapting when circumstances change – will continue to serve us long after the temperature has fallen.
As Viktor Frankl famously wrote:
“Between stimulus and response there is a space. In that space is our power to choose our response.”
Perhaps that’s the real lesson from a British heatwave.
Not how hot it became.
But how well we responded.
Frequently Asked Questions
Is there a legal maximum workplace temperature in the UK?
No. UK law does not set a maximum workplace temperature because every workplace is different. However, employers still have duties under health and safety law to maintain comfortable temperatures and provide clean, fresh air.
Does hot weather affect productivity?
Yes. Hot weather can affect sleep, concentration, decision-making, reaction time and energy levels, particularly when combined with dehydration, poor ventilation or physically demanding work.
How can managers support employees during hot weather?
Simple actions such as encouraging hydration, allowing regular breaks, improving ventilation, offering flexibility where possible and checking in with team members can make a significant difference.
Preparing Your People for Whatever Comes Next
Whether the challenge is a heatwave, organisational change, transport disruption or the everyday pressures of modern working life, the principles remain the same.
Healthy, supported people make better decisions, communicate more effectively and cope more confidently with change.
At Mike Lawrence Health & Wellbeing Consultancy, I help organisations create healthier, more resilient workplaces through practical workplace wellbeing workshops, Mental Health First Aid (MHFA) training, and leadership programmes that give managers the confidence to support their teams through periods of pressure, uncertainty, and change.
Because while we can’t control the conditions, we can prepare our people to respond to them.
About Mike Lawrence
Mike Lawrence is a Health and Wellbeing Consultant, MHFA England Instructor and workplace mental health speaker.
He works with organisations across the UK to strengthen wellbeing, resilience and performance through practical, real-world approaches that stand up under pressure.
His work focuses on:
- supporting leaders and managers to respond confidently to mental health challenges
- delivering Mental Health First Aid training that translates into real workplace impact
- helping organisations move beyond awareness into meaningful cultural change
- reducing burnout and building sustainable high performance
Organisations often consider burnout or workplace wellbeing support when managers see more stress-related conversations, increased EAP use, reduced engagement, difficulty switching off, rising absence rates, workload pressure, or uncertainty in hybrid teams.
Support is most effective before people reach crisis point.
