this post was submitted on 30 Jun 2025
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A heatwave continues to grip large parts of Europe, with authorities in many countries issuing health warnings amid searing temperatures.

Southern Spain is the worst-affected region, with temperatures in the mid-40s Celsius recorded in Seville and neighbouring areas.

A new heat record for June of 46C was set on Saturday in the town of El Granado, according to Spain's national weather service, which also said this month is on track to be the hottest June on record.

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[–] [email protected] 20 points 1 week ago (2 children)

The last years saw up to 50°C in Northern Africa already. This will be the fate of Southern Europe, as the peak temperatures in the center and North of Europe will go to 45°C.

As the mean temperature rises roughly linear, so do the peak temperatures, but at a much faster rate. So 1,5-2°C increase in mean temperature often correspond to 5-7°C increase in peak temperatures.

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[–] [email protected] 41 points 1 week ago (15 children)

Across the Mediterranean to the south and east it is even hotter. Wearing shorts and putting on sunblock isn't the best way to deal with the heat, you need to shield yourself and make use of the chimney effect.

The Bedouin lesson: A scientific study proves robes are the best garment to wear in the desert heat

[–] [email protected] 1 points 1 week ago

I prefer using the Boyle Law effect.

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[–] [email protected] 133 points 1 week ago (3 children)

No worries guys this is just a normal summer day climate change isnt real, enjoy the sun

/s in case it isnt clear

[–] [email protected] 60 points 1 week ago (2 children)

There is still snow somewhere on earth, everything is fine!

- a politician somewhere

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[–] [email protected] 20 points 1 week ago (31 children)

As this keeps happening I continue to wonder when Europe and the UK will finally realize how badly they need to air conditioning. The units are (or were in the past year or 3)b way more expensive there than here in America. I dunno about current costs. It's worth it though, even if you only need it for like 1 month out of the year.

[–] [email protected] 9 points 1 week ago (1 children)

I live in Spain, and since temperatures are now reaching 39°C in my area, I ordered two AC units for the most used rooms in my house (living room and bedroom).

With installation it costed 1300€. A months salary basically. In my area the cheapest unit with installation was 450€, but it didn't look very reliable.

I ordered it 11 days ago, and I'm scheduled to receive it and installed either this week or the next. AC installers are oversaturated with orders this time of the year. It's insane.

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[–] [email protected] 2 points 1 week ago

For new buildings that is already case. For older buildings there is limits to how well you can retrofit them with new heating/cooling/insulation systems. Lots of building are messed up, because changes to insulation and heating/cooling lead to humidity and mold or worse mushrooms.

[–] [email protected] 3 points 1 week ago (1 children)

My living room is around 36 square meters and the cheapest AC unit for that area was 650 - 850 euros. You also have to pay a certified company to install it, which cost another 200 - 300 euros.

The median salary is like 900 euros, which makes it out of reach for a large portion of the population.

[–] [email protected] 1 points 1 week ago (1 children)

Is the median living room 36 square meters? Seems unfair to compare median salary with a rather big house/apartment.

Growing up our dining/living room was 24m2 and I could be cooled with a 200 euro portable AC.

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[–] [email protected] 10 points 1 week ago (6 children)

They are trying to push people to heat pumps (basically air conditioners tech wise)

They are also moving towards building/efficiency regs that require completely sealed houses and forced air systems in new builds.

So new houses will effectively be required/encouraged to have an air con capable houses.

The old housing stock though? Oof. I'm on a private estate that even bans that kind of stuff!

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[–] [email protected] 3 points 1 week ago* (last edited 1 week ago) (1 children)

I wonder what's the cost for them to install one. I got mine installed and it cost around €350(rm1600 in my currency), everything included, for a japanese brand(Daikin). shouldn't be too horribly expensive for european country, especially when people started to adopt it.

Edit: but honestly, i wonder how well aircond would work in 40°c+ temperature, it relies on pumping heat away from the room, and if outside is so hot it wouldn't able to effectively cool the refrigerant. Still better than nothing.

[–] [email protected] 4 points 1 week ago* (last edited 1 week ago) (1 children)

Air conditioning works just like a refrigerator in that the cooling is accomplished by the compression and decompression of gas. The outside temperature has no effect on the ability of the unit to cool the inside space. Air conditioning just vents to outside, it doesnt use outside air. The same is true for a window unit as it is for a central system

[–] [email protected] 9 points 1 week ago (1 children)

to a point. It still relies on radiating the heat produced at the compression stage outside to the outside air. Due to how thermodynamics work this becomes less efficient or even impossible once the outside air approaches the same temperature as the compressed gas. Once the gas can't cool down after the compressing step the ac starts to lose effectiveness fast

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[–] [email protected] 17 points 1 week ago (3 children)

In France the government is helping people get Aircon by subsidising heatpumps, also way more carbon efficient than Gaz or fioul based central heating.

[–] [email protected] 10 points 1 week ago (5 children)

It depends on the kind of heatpumps, in a lot of cases the heatpump is installed to replace a boiler, reusing the radiators and hot water circulation already available.

Unfortunately in this case the heatpump cannot be used as AC.

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[–] [email protected] 5 points 1 week ago

Ik Dutch, and have airco in every room in the house that isnt a bathroom or toilet. It's awesome. Also have 30+ solar panels so whenever I use the airco, it's run on solar power.

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[–] [email protected] 25 points 1 week ago (1 children)

Was just talking with my friend from Latvia who said it has been the coldest end of June since forever. Climate is so fucked and its just the beginning.

[–] [email protected] 7 points 1 week ago

Here in Finland we just might hit +20C this week. Maybe a bit over that in the south. Maybe not coldest since forever, but definetly colder than last couple of summers so far.

[–] [email protected] 1 points 1 week ago

Seattle area is pretty warm today.

We have AC, however, bless their hearts, the people who built our house put the only vents on the floor. When its cold you get warm air at the bottom of the house, which is probably OK, but the AC unit pulls air also at the bottom... Which is also OK for heating. Now think cooling for a sec. Pull the cold air from the bottom where the air is cold and then blow it at the bottom where its still cold.

[–] [email protected] 5 points 1 week ago

It'll help keep the tourists away.

[–] [email protected] 2 points 1 week ago
[–] [email protected] 72 points 1 week ago (3 children)
[–] [email protected] 21 points 1 week ago (3 children)

If anyone is interested, it's X Celsius times 9/5 + 32

[–] [email protected] 40 points 1 week ago (3 children)

C * dolly Parton + freezing temp in F

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[–] [email protected] 8 points 1 week ago (4 children)

I'm having a cool low 30s C something summer in Tx.

[–] [email protected] 5 points 1 week ago

I’m not. Today in Austin was “feels like 110 degrees Fahrenheit” according to the weather app.

[–] [email protected] 3 points 1 week ago

86 in Texas right now? I'm calling bs

[–] [email protected] 3 points 1 week ago

same, and my apartment complex is refusing to fix the AC.

[–] [email protected] 11 points 1 week ago (1 children)

We still have all of July, August and September and most of October to go...

[–] [email protected] 7 points 1 week ago

And December.

[–] [email protected] -3 points 1 week ago (2 children)
[–] [email protected] 2 points 1 week ago

Toasty enough for Jeff Bezos.

[–] [email protected] 8 points 1 week ago (1 children)

46 is a bit nippy. Might need a jacket.

[–] [email protected] 5 points 1 week ago

WHO touched the thermostat this time geeez you??

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