There's a particular kind of misery that only a British summer can serve up: standing shoulder-to-shoulder on a delayed train, windows sealed shut, air thick and warm, with a stranger's rucksack pressed into your back. Avoiding hot, crowded public transport in the UK suddenly becomes really attractive.

When the temperature gets higher, public transport gets busier, hotter and far less predictable, and suddenly the idea of your own seat, your own space and your own climate control start to look very appealing indeed. Salary sacrifice schemes or leasing could be the answer you’re looking for.

Here's our guide to a cooler, calmer summer commute, packed with practical hot-weather commuting tips to keep you comfortable behind the wheel.

Key takeaways:

• Driving beats public transport in a heatwave. No delays, no crowds, and full control over your temperature, timing and space.
• Cool the cabin quickly. Shade or a sunshade when parked, air the car out before setting off, and then turn the air con on recirculation for the first few minutes.
• Windows down in town, air con at speed. Above roughly 40mph, open windows create drag, so air conditioning wins.
• Time your journey around the heat. Travel earlier to enjoy cooler air, quieter roads and less glare.
• Look after your car too. Check tyres, coolant and screenwash before a heatwave, and re-gas the air con if it's lost its chill.

Fancy a cooler commute this summer? SG Fleet can help.

If a comfortable, air-conditioned drive to work sounds better than another sweltering platform, we'd love to help. Get in touch and we'll show you just how affordable a brand-new car through salary sacrifice can be.

Why avoiding hot, crowded public transport in the UK makes sense in summer

British trains, buses and Tube lines weren't designed with heatwaves in mind.

When temperatures rise, rail operators often introduce speed restrictions to protect the track, which means longer journeys at exactly the moment carriages are at their stickiest. Add school holidays, tourist traffic and the inevitable cancellations, and the summer commute by public transport becomes a bit of a lottery.

Driving puts you back in control.

You choose when you leave, which route you take and (crucially) how cool your cabin is. There's no waiting on a sun-baked platform and no squeezing into a packed carriage, and you don’t end up arriving at work looking like you've already done a workout.

For a lot of commuters, that combination of comfort, reliability and door-to-door convenience is what makes the car the smarter summer choice.

How to stay cool in your car in hot weather: UK driver's edition

A car can heat up quickly in direct sunlight, but a few simple habits make a huge difference.

Before you set off:

Park in the shade wherever you can, or use a windscreen sunshade to stop the cabin turning into a greenhouse while you're at your desk.

Before you get in, open the doors or windows for a minute to let the hottest air escape. It's far quicker than asking the air conditioning to do all the work.

If your steering wheel gets scorching, turning it 180 degrees when you park means the part you grip stays in the shade.

And always keep a bottle of water in the car; staying hydrated keeps you alert as well as comfortable.

On the move:

At lower speeds around town, opening the windows is an efficient way to shift hot air.

Once you're up to speed, close them and switch to air conditioning; it's more effective and avoids the drag of open windows. Use the recirculation setting for the first few minutes to cool the cabin faster, then switch back to fresh air.

Aim the vents at your chest and body rather than your face, wear sunglasses to cut glare and, if possible, keep loose, light clothing in mind for the drive. If you're travelling with children or pets, remember the back of the car heats up fastest.

And never leave anyone waiting in a parked car on a warm day.

Top summer driving tips UK: plan your journey around the heat

The simplest hot-weather commuting tip of all is timing.

Setting off a little earlier means cooler air, quieter roads and a gentler start to the day, while the same logic applies to the journey home: beating the peak-heat, peak-traffic window makes everything more pleasant.

Check traffic before you leave, as summer roadworks and holiday getaways can catch you out, and build in a short break on longer drives to stretch, cool down and top up on water. Watch for low evening sun too: glare is one of summer's most underrated hazards, so keep sunglasses within reach and your windscreen clean inside and out.

Don't forget your car feels the heat too

Hot weather is hard work for vehicles as well as drivers. Tyre pressures rise with temperature, so check them when the tyres are cold and keep them at the recommended level.

Top up coolant and screenwash before a heatwave rather than during one, and keep an eye on your battery because extreme heat shortens battery life just as cold does.

If your air conditioning isn't blowing as cold as it used to, it may simply need regassing, which is a quick and inexpensive fix. A well-maintained car keeps you cooler, safer and less likely to spend a hot afternoon waiting for recovery.

Want to avoid hot public transport this summer? Try salary sacrifice.

At SG Fleet, our solutions let you lease a brand-new or pre-loved car, including the latest electric and hybrid models, for one fixed all-inclusive monthly payment covering maintenance, insurance and more.

There's no deposit, no set-up charges, and full protection against life's unexpected events, all made more affordable by our corporate buying power and manufacturer discounts.

Get in touch with our friendly team today for a no-obligation quote and see how much you could save on a cooler, calmer commute.

FAQs

What is the best way to keep a car cool in hot weather in the UK?

Park in the shade or use a windscreen sunshade, open the doors briefly before setting off to release trapped hot air, then use air conditioning on the recirculation setting for the first few minutes of your journey. Directing vents at your body rather than your face cools you more effectively.

Is it better to open windows or use air conditioning when driving in summer?

Open the windows at low speeds around town to flush out hot air, then close them and use air conditioning at higher speeds. Above roughly 40mph, open windows create drag that reduces fuel efficiency, making air conditioning the more efficient and more effective option.

Is driving better than public transport during a UK heatwave?

For many commuters, yes. Trains often run slower in extreme heat due to speed restrictions on the track, and carriages, buses and Tube lines can become crowded and uncomfortably hot. A car gives you control over your temperature, timing, route and personal space, making the journey more comfortable and more predictable.