Longitude in itself doesn't dictate weather. Labrador is the same longitude as London but we don't have similar climates.

Köppen climate classification is probably the best indicator of where else is similar; which comes out as the same as most of northern Europe [1].

1. https://www.weatherbase.com/weather/weather-summary.php3?s=9...

Latitude doesn't, you're right, though the map on the site you linked shows broad-strokes correlation, and I've found it helpful if I guess imprecise in illustrating general temperature differences.

The difference in summers - cool summer vs hot summer - is a big one, and I'd suggest that it makes Boston's climate not really the same as most of northern Europe. We haven't traditionally needed air conditioning in Germany, for example, while I understand Boston and New England (the upper mid-Atlantic and New York, surely, when I lived and visited there) come to rely on it during the summer months to not just live in puddles of sweat.

You mean latitude.

You're absolutely right (we both meant that)

That makes no sense. I’m in Atlanta but I’m pretty close to Saudi Arabia if you put the US over Europe. I can tell you I don’t live in a desert.

Chicago is comparable to Rome yet Rome rarely sees snow or the very cold windy weather Chicago is known for. You’re ignoring the whole jet stream.

Due to the ocean currents, i.e. cold water coming from the North on the US East coast, and hot water coming back from the South on the European West coast, it does not make much sense to compare latitude on the 2 sides of the Atlantic.

Famously(?) New York is at the same latitude that Naples, they definitely don't have the same climate.

Yes, as a European, I’m always amazed at how far south the northern US and even southern Canada really is.

With that said, those are latitudes, not longitudes.

>>With that said, those are latitudes, not longitudes.

Someone once told be a simple way to remember the difference. Longitude and latitude was first used be Greeks to travel the Mediterranean ocean (not sure if that is true, but helps with remembering); The Mediterranean ocean is long from East to West, so moving in the long direction changes the longitude.

My middle school geography teacher had a more memorable (to me) approach: lat = fat, so if you think of a fat person, their belt is the equator and latitude lines run parallel to it. Long = long hair, so if the Earth is positioned north-up, the hair (longitude lines) runs from top to bottom.

I was taught that latitude lines resemble the rungs of a ladder ("lat"-er, I suppose), or alternatively that longitude lines are all equally long.

I was taught think "longitude = long hair."