[lye]

What the hell are you talking about. If it's 0°C outside (or below that), I know that it's high time to put winter tires on because the water in the puddles will freeze and driving on summer tires becomes risky. I had to look it up, but apparently that's +32 °F. Good luck remembering that.

+10°C is "it's somewhat cold, put a jacket on". +20°C is comfortable in light clothing. +30°C is pretty hot. +40°C is really hot, put as little clothing as society permits and stay out of direct sun.

Same with negatives, but in reverse.

Boiling water is +100°C, melting ice is very close to 0°C. I used that multiple times to adjust digital thermometers without having to look up anything.

It's the most comfortable system I can imagine. I tried living with Fahrenheit for a month just for fun, and it was absolutely not intuitive.

[zdragnar]

You'll want winter tires on well before the air temperature hits freezing for water. Forecasts aren't that predictable, and bridges (no earth heat sink underneath) will ice over before roads do.

40 F is a good time for getting winter tires on.

As someone who lives in a humid, wet area that goes from -40 at night in winter to 100+ F in summer, I also vastly prefer Fahrenheit.

The difference between 60, 70, 80 and 90 is pretty profound with humidity, and the same is true in winter. I don't think I've ever set a thermometer to freezing or boiling, ever. All of my kitchen appliances have numbers representing their power draw.

[lye]

Well, it's been working fine for me for about 15 years, let's agree to disagree here. I would still find it easier to remember to change the tires at +1°C than whatever the hell it comes down to in Fahrenheit.

I too live in a region with 80 (Celsius) degree yearly variation (sometimes more; the maximum yearly difference I've lived through is about 90 degrees IIRC: -45 in January to +43 in July), and Fahrenheit makes absolutely no sense to me in this climate.

[rootusrootus]

> Well, it's been working fine for me for about 15 years, let's agree to disagree here.

If you want to convince yourself, go out on the road in non-winter tires when it is sub-40F, find an open space where you can experiment, and then do a panic stop. Like you might have to do if someone jumps out in front of you.

That is what convinced me to not wait until it was freezing before I put on cold weather tires.

[happyraul]

Winter tyres are less to do with freezing water and more to do with the way the tire compound in summer tires hardens/loses elasticity and therefore grip in lower temperatures, around 7 degrees Celsius.

[ryukoposting]

If you had to "look it up" to remember that 32°F is freezing (or that 212°F is boiling), then you clearly didn't "live with Fahrenheit" long enough to have developed even the most basic intuitions for it. That's first-grade stuff.