The phrase "a very cold day" is correct and usable in written English.
You can use it to describe a day characterized by low temperatures, often in weather reports or casual conversation.
Example: "Yesterday was a very cold day, and I had to wear my thickest coat to stay warm."
Alternatives: "an extremely chilly day" or "a frigid day".
By Maxim Biller It was a very cold day.
I remember my first trip to Vienna, in 1984, a very cold day.
Off we went on a very cold day to the set, which is in fact a former convent that has been used as a hospital.
Several times a day you turn to him, as you will now to his ghost, and say to yourself 'How would Updike have done it?" This is a very cold day for literature.
Sal Manuele of Staten Island followed a narrow beam of sunlight from place to place on the benches behind City Hall on Monday, seeking a bit of warmth on a very cold day.
By David Denby On a very cold day in New York, in February, 1971, when the streets were black with ice, and my mood was black, too — a love affair had just ended — I went to see Eric Rohmer's "Claire's Knee," which is set alongside a mountain lake in the Haute-Savoie section of France, near Annecy.
Now, how these late-night talk shows typically work is that they're usually shot in the late afternoon with tickets being first-come, first-serve, thus, the reason why I arrived on a very cold Thursday midnight to be admitted to Friday's taping.
Scene: An entrance to Central Park on a not very cold day.
On a very, very cold day (it has to be about -30° or lower for this to work), take a pot of some just-boiling water and throw it up (away from your face) into the air.
The reason I can walk outside on a perfectly clear and very cold day and still not see my breath is that the air here is astonishingly clean.
He's continuing to collaborate with Dragonette on new material, but in the meantime, is back with a new track "What A Love" that should warm up this very (cold) day. .
