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Weather Fahrenheit/Centigrade

Every time I go to Europe, it takes me forever to really figure out the temperature when I watch the morning news. I thought I would remind everyone of a "quick tip" conversion I learned if you want to know the (approx.) temp every day.

"Double the Centigrade and add 30"

For example,
The Temperature in Centigrade is 18. The approx. Fahrenheit temp would be: 66.

18 x 2 + 30 = 66.

Yes, this is a rough estimate, but I thought it might help someone.

Have a good day. :)

Posted by
32349 posts

For those that are using either an IPhone or IPod Touch, I believe the Weather function can be set to display either Celsius or Fahrenheit (which is set to Celsius in my case, since that's what I use at home).

I travel with an IPod Touch and always update the weather every morning to give me some idea what the "touring" situation will be like that day. Of course using that function depends on Wi-Fi availability.

Cheers!

Posted by
79 posts

hmmm. . .I deal with the weather the way they did in my mother's day. "Take a light jacket in case it rains or gets cold." :)

Posted by
368 posts

Up here in Calgary we use the -40F = -40C, because it's like cold up here and stuff.

Posted by
780 posts

It was easy enough for me to remember the difference once I learned that in America, 32 is freezing and 0 is freezing in Europe. That way, if its 10-15C, its a bit chilly, and 28 is hot.

Posted by
683 posts

When it's hot, it is HOT

When cold, COLD

Whether you use Farenheit, Celsius or Kelvin

Posted by
15777 posts

I do double the Centigrade, take off 10%, then add 32. A bit more accurate, but for all intents and purposes, Gretchen's close enough.

What's strange for me is that I KNOW what the temperature is in either F or C (having lived in both worlds) but I need to do the formula to convert. I mean, at whatever the temp is, I know if it's hot, cold, comfortable, and how to dress.

Posted by
629 posts

Carry a travel thermometer that displays both. Won't take you too long to get used to the differences in temperature. Just like learning a few words in a different language - don't translate just add the new words to your vocabulary.

Posted by
86 posts

Like the earlier responder, I always remember that 28C = 82F AND that 16C = 61F

:)

Posted by
5678 posts

I've just learned that

15 or lower is chilly to cold
20 is cool
25 is just right
30 is hot,
40 is really, really hot

That's really all you need to know. ; )

Pam

Posted by
17400 posts

As Jon of Calgary said, they are the same at - 40.

when I lived in Fairbanks, Alaska, we mourned the possibility that the US would change to Celcius, Because it would likely never be 60 below ever again. but that hasn't happened, yet.

For converting, I find it easiest to remember that 10 degrees C is 50 F; 20 C i 68 F. and 30 C is 86 F. In between, it is easy to extrapolate.

If you can't remember that, then just think about 20 to 25---that is the comfort range for most people. Above 30 it is hot.

Posted by
4637 posts

If you want to know exact numbers, here is the formula. Celsius times 9 then divided by 5 then plus 32= Fahrenheit. O celsius (water starts freezing) is 32 Fahrenheit. 100 degrees Celsius (water boils) = 212 degrees Fahrenheit. So below ten degrees Celsius is cold, below O freezing, 20 to 24 pleasant, above 30 hot, above 35 very hot. We could avoid all this inconvenience if we finally adopt metric. As I am aware we are the last country in the world left. We are already partially adopting it. For example cross country ski trails are measured in kilometers. In hospitals temperature of air in ventilators (breathing machines) is measured in Celsius however body temperature in some hospitals still in Fahrenheit. Let's change to metric.

Posted by
977 posts

Steve. You will get a big shock using your conversion method if you ever come to South Australia in the middle of summer. 38c = 100.40F (big difference from 83F!!!)

Posted by
1358 posts

Gretchen's formula is the same one I use, learned it from Bob and Doug McKenzie. They tried to use it to convert anything to metric, so a dozen donuts in the US would be 54 metric donuts, a six pack in the states would be 42 metric beers.

Posted by
2193 posts

It seems like too much complicated thinking is going into weather variables for vacationers. I’m not sure I’ve ever really cared what the outdoor temperature was when vacationing anywhere. Weather can change, of course, but as long as I know the historical averages for the locale, time of year, time of day, etc., that’s all I really care about. It doesn’t matter to me if it’s 65 degrees F or 75 degrees F. I plan for what’s typical and can buy an article of clothing if necessary for outlier days/periods. I have to save brain power for important things like figuring out where to eat or have the next cup of café con leche. I like Paul n Sara’s approach.