It's the humidity that makes it so unbearable
this post was submitted on 23 Jun 2026
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Casual UK
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...and then combined with our entire architecture, diet, clothing and lifestyles being based around centuries of keeping out the cold, wind and damp.
If your house keeps out the cold, wind and damp, it will keep out the heat. There is no special way for walls, windows and insulation to let heat or hot air pass only in one direction.
Everything is insulated and sealed shut. There are heaters inside the house. The sun comes through the window and heats the room up. The heat cannot escape.
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We have the oldest housing stock in europe and some of the most leaky. In the winter the heat bleeds out and in the summer the cold does too.
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The issue is thermal mass. Buildings are designed to absorb heat in the winter. Obviously when you aren't using heat they'll absorb whatever the temperature is.
First 2 days of a heatwave the building holds a cooler temperature. After that the walls begin to heat and it is simply too hot at night to dissipate all the heat the building has absorbed
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There is no special way for walls, windows and insulation to let heat or hot air pass only in one direction.
Hot air, no, but heat from sun, very much yes. That's a one-way kind of transaction
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The bricks and wall thickness are designed to absorb heat and release them in the evening though. Not sure if it can work the other way around.
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You speak with a lot of confidence for one who is not well travelled.
It only goes to 43 though (we officially had 43.8 yesterday).
We use the Dehumidify option on our units, it uses less energy (also less €) and makes the place fresh as can be.
Source: in Spain with my nuts stuck to my leg from May-October
*laughs in Florida*
I’d set my self on fire before stepping foot in Florida
That's a great strategy to keep the wildlife off of you.
I lived in Florida and now I'm in Europe and honestly give me Florida.
The outside is bearable to me, but cooler than Florida is this time of year. The issue is there's no escape. AC is incredibly rare and even the few stores that do have it don't crank it like Florida.
I wake up its hot, I go out its hot, and I go to bed its hot.
Back in Florida it was hot while I waited for the car AC to kick on, the office was cool, and my house was cool.
Having no break from the heat is brutal
30^o^ abroad: Civilised humidity
30^o^ in the UK: Might as well be under water, being gently simmered into broth.
30° here in Iceland is a national emergency
Edit: Probably should have said "would be". It's not 30°C here
It's just 'land' now.
Is it still very windy because that would at least help.
If you paid a months salary for the chance to go to Sainsbury’s you’d bloody well take it in 30°
I need my AC unit upstairs to sleep, but I need it downstairs so that I'm not peeling myself off of my chair every 5 minutes while working. The struggle is real.
Genuinely considering buying a second, despite barely having the space.
In my loft conversion that I spend most of the day in it gets quite hot. Nevertheless, scrupulously keeping curtains closed, keeping windows closed when the outside temperature is hotter than inside, and using a fan has kept me comfortable in all but the hottest days of the last few years. I always encourage this before AC due to the power usage.
Blackout curtains + closed windows do not keep my first floor anywhere near cool enough unfortunately; I think it's really poorly insulated as it is also really cold up there in the winter (though this is much more manageable to me.)
My problem with sleeping with a fan is they trigger my myofascial pain syndrome quite badly. My only relief is still air that's cooler. I also run quite hot in general :/
I have noticed, however, that I can do a single top up at around 13:00, where I run the AC for a bit to get the upstairs room slightly cooler than downstairs. Then I turn it off and close the window and it stays somewhat bearable for the rest of the day, opening the window again at night.
I completely understand your concerns about power usage as I am eco-conscious myself, and I really wish I had a ceiling fan to use instead. Getting my landlady to sign off on that is a bit unlikely.
I do accept that some people can't get by on a fan, but I'm pretty sure my friends who are buying them could, so I try to push back on the trend 😬
30° in Slavic countries is called the apocalypse.
Hmm, both feel acute to me.
Just been to Tesco. Was in there about 15 mins. When I got back into the car, the dash board said 41 🥵 Now parked up waiting to collect wife from work and it’s a pleasant 33 😒
I'm lying in bed between two fans just to survive on a top floor apartment.
All the media: extreeeeem!!!
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